I'm looking for a job. I exported this list from FewerJobs.com - a curated job board. Please: 1. Rank these jobs by fit for me, given my resume / skills. 2. Highlight the top 5 with a one-sentence rationale each. 3. Flag any concerns, including benefit values without source-backed evidence. 4. Suggest one or two filter changes I could make on FewerJobs to find more good matches. Filters I applied: - q: Lawrence Livermore National Laboratory - quality_floor: all - match_401k_strict: true - parental_strict: true - non_birth_strict: true - pto_strict: true - include_older: false - apply_url_verified: false - page: 1 - per_page: 100 - sort: relevance Jobs (100 total): --- TITLE: Mesoscale Modeling – Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012235947-mesoscale-modeling-postdoctoral-researcher EXCERPT: Mesoscale Modeling – Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Postdoctoral Researcher to conduct computational research in the area of mesoscopic modeling of interface thermodynamics and kinetics, as well as associated microstructure evolution of materials, focusing on (electro)chemical and/or (electro)chemo-mechanical degradation mechanisms. You will be part of an interdisciplinary team of computational and experimental materials scientists utilizing world class computational and experimental research facilities to study the surfaces, interfaces, and microstructures of materials for structural and/or energy applications. This role will actively participate in the research and development of mesoscale computational models and codes for investigating mechanisms and simulating coupled interfacial processes in materials, including metals and metal oxides. This position is in the Computational Materials Science Group of the Materials Science Division. fundamental and applied research in the thermodynamics and kinetics of surface/interface phenomena and associated microstructure evolution of metals and/or metal oxides. Develop integrated modeling and simulation capabilities for simulating concurrent physical, chemical, and materials kinetic --- TITLE: Electrical Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $129K-$196K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011812516-electrical-engineer EXCERPT: Electrical Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Electrical Designer/Engineer who will prepare construction documents for new construction, remodeling, and modifications of facilities and infrastructure at Lawrence Livermore National Laboratory (LLNL). This position is in the Design & Engineering Division within the Project Management Office (PMO). You will contribute to the planning, design, and construction of electrical systems across a variety of facilities, ensuring reliability, compliance, and efficiency. Depending on your experience and qualifications, you will join as a TSS.2 Electrical Designer or TSS.3 Electrical Engineer with increasing levels of independence, leadership, and technical scope. You will Design electrical systems for construction projects including power distribution, lighting, grounding, and associated systems. Apply the National Electrical Code (NEC), California Building and Electrical Codes, and institutional standards to design solutions supporting LLNL's electrical infrastructure. Develop detailed technical drawings, specifications, and calculations (e.g., load flow, branch, short circuit, arc flash, etc.). Determine functional electrical requirements for new or modified specialized equipment and --- TITLE: Research Scientist - Computer Vision and Machine Learning EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013125116-research-scientist-computer-vision-and-machine-learning EXCERPT: Research Scientist - Computer Vision and Machine Learning Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Research Scientist in Computer Vision and Machine Learning to develop advanced algorithms and software for image and video understanding in support of problems of national importance. This role sits at the intersection of computer vision, image processing, software engineering and applied machine learning. You will work in a collaborative, multidisciplinary environment alongside experts in computer vision, machine learning, scientific computing, and domain science. This role combines fundamental research with the development of robust, reproducible software systems that support mission-critical applications. This position is in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. This position will be filled at either level based on knowledge and related experience as assessed by the responsibilities (outlined below) --- TITLE: Operational and Experimental Systems Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $227K-$288K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013143186-operational-and-experimental-systems-manager EXCERPT: Operational and Experimental Systems Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Operational and Experimental Systems Manager to serve as Shot Directors in the National Ignition Facility (NIF). You will join a team responsible for directing and coordinating the 24/7 operations of the integrated laser and experimental systems of the NIF, a stadium-sized facility supporting our country's mission to safeguard the nuclear stockpile and conduct fusion energy and discovery science experiments. You will be responsible for the successful execution of complex target experiments in the NIF, as well as for ensuring that all activities conducted by operations, engineering, and scientific personnel are performed in accordance with NIF's Integrated Safety Program. These positions are in the Laser Systems Engineering & Operations Division within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. In this role, you will Lead teams, programs, or functions with a technical focus, operate under consultative direction with substantial authority, use subject --- TITLE: Physics-Informed Machine Learning Specialist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012977777-physics-informed-machine-learning-specialist EXCERPT: Physics-Informed Machine Learning Specialist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Physics-Informed Machine Learning Specialist with a strong technical background in integrating artificial intelligence (AI) and machine learning (ML) methodologies with physics-based applications in engineering. You will combine existing AI/ML methodologies with state-of-the-art computational modeling and simulation capabilities on high performance computing (HPC) architectures to develop novel application areas within Lawrence Livermore National Laboratory's (LLNL) national security mission space. You will contribute to research and development in advanced simulation capabilities related to optimizing algorithms and models, surrogate model development, model validation, reliability, uncertainty quantification, and data engineering. You will work closely with other groups to support the missions of the Laboratory. You will work closely with multidisciplinary teams and programmatic customers to ensure application needs are met. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the --- TITLE: Mechanical - Structural Analyst EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011307151-mechanical-structural-analyst EXCERPT: Mechanical - Structural Analyst Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Mechanical/Structural Engineering Analysts with a strong background in solid mechanics and finite element analysis (FEA) to support Lawrence Livermore National Laboratory (LLNL) stockpile programs. In this role, you will perform computational modeling and simulation using advanced, nonlinear finite element analysis codes developed at LLNL to evaluate structural and material responses to combined thermal, quasi-static or dynamic, and hydrodynamic loads under time-dependent kinematic conditions. You will contribute to research and development in advanced simulation capabilities, including constitutive modeling, Simulation Process and Data Management (SPDM), as well as Verification, Validation, and Uncertainty Quantification. Your work will support engineering design, testing, and certification of the nation's nuclear weapon systems through both advanced development and practical design and assessment initiatives. These positions will be in the Weapon Analysis and Methods (WAM) section within the Computational Engineering Division (CED) of the Engineering Directorate. These positions will be filled at either level based on knowledge and --- TITLE: Machine Learning (ML) Bioengineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012510467-machine-learning-ml-bioengineer EXCERPT: Machine Learning (ML) Bioengineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Machine Learning (ML) Bioengineer to conduct research training and evaluating next-generation clinical, protein and genome language models. You will join the Bioresilience Incubator, a dynamic engineering center that integrates predictive computational modeling, machine learning, and experimental biology to advance national security and public health missions. This position will be in the Computational Engineering Division (CED), within the Engineering Directorate, matrixed to the Bioresilience Incubator. As a member of our multidisciplinary team, you will collaborate with experts in machine learning, molecular simulation, optimization, and bioinformatics, and interface with experimentalists generating large datasets via novel high-throughput assays. You will leverage in-house computational tools and contribute to the design, training, and evaluation of new machine learning-based methods. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. This position will be --- TITLE: Space Hardware - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$143K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011666416-space-hardware-postdoctoral-researcher- EXCERPT: Space Hardware - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission. Job Description: We have an opening for a Postdoctoral Researcher in precision optomechanical engineering for space applications. You will contribute to cutting edge research focused on developing the next generation of large aperture space telescopes and optical payloads, with an emphasis on precision mechanisms, optomechanical design, and integration of optical systems into spacecraft. This position is in the Advanced Space Development group in the National Security Engineering Division, within the Engineering Directorate. This position requires full-time on site presence due to the nature of the work. You will: Conduct research in precision engineering, including the design and analysis of high stability mechanisms, mounts, and structures for space telescopes and optical payloads. Perform optomechanical design of telescope subsystems, including mirrors, lenses, mounts, alignment features, and supporting structures, with attention to thermos-mechanical stability, vibration, and launch survivability. Develop and run analytical and numerical models to predict system performance under mechanical, thermal, and dynamic loads. Apply precision engineering principles to --- TITLE: Environmental Functional Area Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $282K-$360K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012562836-environmental-functional-area-manager EXCERPT: Environmental Functional Area Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Environmental Functional Area Manager to lead the Environmental Functional Area (EFA) at LLNL. In this role, you will provide day-to-day management and technical leadership of the functions, disciplines, and personnel within the EFA. Additionally, you will be counted on for strategic vision and technical oversight to meet the goals and objectives of EFA customers and stakeholders. You will be a key member of the Environment, Safety and Health (ES&H) Directorate senior management team and report to the ES&H Programs Department Manager, ensuring that the Environmental Programs at the Laboratory are effective, efficient, and with regulatory and contractual requirements while supporting execution of important Laboratory mission. This position is in the ES&H Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. You will Serve as an integral member of the ES&H management team, --- TITLE: Senior Laser Modeling Physicist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013362236-senior-laser-modeling-physicist EXCERPT: Senior Laser Modeling Physicist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a highly experienced Senior Laser Modeling Physicist to independently guide the development, research, design, analysis, modeling, testing, and fielding of advanced laser technologies and systems. This work will take place within the National Ignition Facility & Photon Science (NIF&PS) Directorate, home to the world's most energetic laser. It is an exciting time to join the team that achieved fusion ignition in December 2022, a historic moment in science, opening up new physics regimes and setting the stage for new fusion energy possibilities. You will provide technical direction to an interdisciplinary team developing and deploying state-of-the-art high-intensity, long and short pulse laser systems for the Department of Energy and Lawrence Livermore National Laboratory. Much of the work in this group focuses on designing and modeling novel laser architectures as well as extending the capabilities of the National Ignition Facility (NIF). This position is in the NIF&PS Directorate within the Laser Science --- TITLE: Research Materials Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013517436-research-materials-engineer EXCERPT: Research Materials Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Research Materials Engineers to work on a variety of projects. You will collaborate with a team of engineers and scientists who process, design, and characterize materials for eventual use in national security applications. Specifically, you will apply analytical methods to study materials with unique properties and/or develop advanced manufacturing techniques. These positions are in the Materials Engineering Division (MED) within the Engineering Directorate. This position requires significant on-site presence due to the nature of the work. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Conduct research and development in one or more of the following areas: materials processing, material modeling, microscale material testing, or materials characterization. Design, implement, and analyze moderately complex techniques in one or more of the areas listed above. Organize, --- TITLE: Machine Learning Physics Graduate Student EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $7K-$8K/mo POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013424486-machine-learning-physics-graduate-student EXCERPT: Machine Learning Physics Graduate Student Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Machine Learning Graduate Student Interns to engage in practical research experience to further their educational goals. You will work on multidisciplinary projects, such as development of classical empirical and machine learning interatomic potentials, discovery of partial differential equations (PDEs), numerical solutions of partial differential equations to model material behavior at continuum scale and analysis of large atomic datasets. These positions are in in the Equation of State Materials Theory Group of the Physics Division of the Physical & Life Sciences Directorate. This position requires full-time on-site presence due to the nature of the work. You will Develop parallel C/C++/Python codes to train, test and evolve (a) PDEs (for phase field and phase field crystal models) discovered from data, and (b) interatomic potentials developed from quantum simulations. Explore the use of machine learning methods to discover and evolve PDEs for phase field and phase field crystal models. Analyze results, provide --- TITLE: Materials Science Division Graduate Intern - Fall 2026 EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $7K-$8K/mo POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013250937-materials-science-division-graduate-intern-fall-2026 EXCERPT: Materials Science Division Graduate Intern - Fall 2026 Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for graduate students and for students who have received a bachelor's or master's degree to engage in practical research experience to further their educational goals. You will conduct research in the following scientific fields: organic/inorganic synthesis, analytical, computational, materials characterization, actinide materials, optical materials science; electrochemistry; materials chemistry and physics; computational chemistry and materials science; nanoscale materials synthesis and characterization and metallurgy. You will Work with scientists on projects involving hands-on work in a laboratory, computation, or data analysis. Conduct research in assigned area, under limited direction and supervision. Perform technical assignments of a basic degree of complexity and providing advanced technical support to scientist in scientific research and development projects. Present work through presentations and/or poster sessions. Perform other duties as assigned. Qualifications: Must be eligible to access the Laboratory in compliance with Section 3112 of the National Defense Authorization Act (NDAA). See Additional Information section --- TITLE: Organic Synthesis and Automation - Academic Graduate Appointee EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $7K-$8K/mo POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013361476-organic-synthesis-and-automation-academic-graduate-appointee EXCERPT: Organic Synthesis and Automation - Academic Graduate Appointee Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for Academic Graduate Appointee to participate in projects in support of the Laboratory's national security mission. As part of a multi-disciplinary team within the Materials Science Division, you will perform syntheses of organic precursors for energetic materials utilizing standard laboratory techniques, as well as the incorporation and development of automated analytical tools and platforms. This is a one-year appointment with the possibility of being extended to two years. In this role you will: Synthesize organic small molecules at the bench scale. Utilize automated synthesis workstations, microwave reactors, and photoreactors for organic synthesis. Characterize synthesized products using a variety of analytical techniques, including: HPLC, DART-MS, FTIR, UV-Vis, Raman, TLC, GCMS, microscopy (optical and digital), melting point determination, and NMR. Familiarize and utilize forward and retrosynthetic planning tools for synthesis such as SciFinder or Reaxys. Basic maintenance and troubleshooting of analytical instruments such as DART-MS, FTIR, NMR. Keep an --- TITLE: Nonlinear Computational Analysis Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011968276-nonlinear-computational-analysis-engineer EXCERPT: Nonlinear Computational Analysis Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for experienced Nonlinear Computational Analysis Engineers with a strong background in computational mechanics, material failure, high-rate dynamics, and multi-physics analysis. You will support design and assessment efforts for complex mechanical systems and structures using massively parallel, high-performance, nonlinear, hydrostructural analysis codes developed at Lawrence Livermore National Laboratory (LLNL). Your efforts will support a variety of projects aligned with one or more of LLNL's Strategic Deterrence, National Ignition Facility & Photon Science, or Global Security mission areas, including high-priority national security efforts in missile defense, space science and security, and laser applications. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Assess and contribute to the response of complex --- TITLE: Electronics Fabrication Technician Specialist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013183598-electronics-fabrication-technician-specialist EXCERPT: Electronics Fabrication Technician Specialist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Electronics Fabrication Technicians . In this role, you will work with scientists and engineers to support manufacturing efforts including electrical/electronic fabrication and packaging; assembly and modification of printed circuit boards, cables and wire harnesses; assembly and disassembly of electronic devices, chassis and systems as well as other specialized equipment used to support ongoing research and projects at Lawrence Livermore National Laboratory. This position is in the National Security Engineering Division (NSED) within the engineering directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. This position requires full-time on-site presence due to the nature of the work. In this role, you will Provide general fabrication support to assist in the planning, organizing, and completion of moderately complex manufacturing projects. Fabricate cables and wire harnesses using --- TITLE: Senior Mechanical Engineer - Active Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011954817-senior-mechanical-engineer-active-clearance-required EXCERPT: Senior Mechanical Engineer - Active Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Senior Mechanical Engineers to participate in new and ongoing projects. We provide nuclear weapon engineering design expertise; systems engineering; experimental device design; fabrication and assembly; surveillance of nuclear stockpile components; engineering analysis and computational simulation; and engineering testing for evaluation and maintenance of the enduring and future nuclear weapon stockpile. Our engineers interface with colleagues at other National Laboratories and Production Agencies, National Nuclear Security Administration (NNSA), and Department of Defense (DoD) and their contractors. These positions are in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. DTED provides support to Strategic Deterrence Programs. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. --- TITLE: Principal Associate Director (PAD) for Computing EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $522K-$670K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012679407-principal-associate-director-pad-for-computing EXCERPT: Principal Associate Director (PAD) for Computing Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for the Principal Associate Director (PAD) for Computing. In this key leadership position, you report to the Laboratory Director and are a member of the Laboratory's Senior Leadership Team (SLT). You are responsible for managing the lab's computing workforce (currently around 1400 employees) and for enhancing the intellectual vibrancy of computing as well as related disciplines and capabilities at the lab. Together with other lab leaders and stakeholders, you will help shape the Laboratory's strategic vision and develop and articulate a strategy for the Principal Directorate in support of the institution. You will manage discretionary R&D resources and sustain relationships with government agencies that fund computing R&D. LLNL is one of the nation's premier institutions in advanced computing and currently home to the world's fastest computer, El Capitan. Work conducted by Computing personnel supports a broad spectrum of programs across missions, scientific research, and operations and includes information technology, --- TITLE: Senior Engineering Design Associate EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $152K-$186K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013517146-senior-engineering-design-associate EXCERPT: Senior Engineering Design Associate Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Senior Engineering Design Associates . You will work independently by collaborating with scientists, engineers, and top-level technical personnel to provide highly advanced technical and management expertise in mechanical or electrical engineering to support the NIF & PS groups. You will conduct research to find solutions to engineering problems along with providing leadership in developing, designing, documenting, and analyzing highly complex mechanical or electrical systems for the National Ignition Facility (NIF) program. You will plan and lead multiple projects of significant complexity. You will author, review, and approve reports, manuals, and other engineering documentation as well as routinely presenting this material to superiors and subordinates. This position is in the Laser Systems Engineering & Operations (LSEO) Division within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. In this role, you will Provide highly advanced technical support in originating, developing, analyzing, and documenting highly --- TITLE: Facility Electrical Design Engineer, System Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011667706-facility-electrical-design-engineer-system-manager- EXCERPT: Facility Electrical Design Engineer, System Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Facility Electrical Design Engineer, System Manager role. This work will take place on NIF and NIF support facilities within the National Ignition Facility & Photon Science (NIF&PS) Directorate, home to the world's most energetic laser. It is an exciting time to join the team that achieved fusion ignition in December 2022 (as well as multiple subsequent times), a historic moment in science, opening up new physics regimes and setting the stage for new fusion energy possibilities. You will be working closely with a team of project managers, engineers, designers, and technicians engaged in facilities projects and mission critical maintenance and operations of systems supporting NIF. You will also contribute to the design and development of new system upgrades to continually improve system performance and reliability. Responsibilities will encompass the entire asset lifecycle from requirements development, design, vendor sourcing and fabrication, installation, commissioning, operations support, maintenance, refurbishment, and --- TITLE: Prime Contract Management Office (PCMO) Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $220K-$275K POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013591346-prime-contract-management-office-pcmo-manager EXCERPT: Prime Contract Management Office (PCMO) Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: The Prime Contract Management Office (PCMO) Manager is responsible for managing multiple distinct contract management functions and leading all prime contract matters for the Laboratory. This position ensures effective contract operations, integration of services across organizations, compliance with the LLNS Prime Contract and federal regulations, and provides expert guidance to senior management. The Manager oversees key contract processes, reporting systems, and serves as the primary liaison with the Livermore Field Office (LFO), the Board of Governors, and LLNS LLC partners. This position is in the Director's office. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. You Will Serve as the Laboratory lead for all prime contract matters, representing the Laboratory in routine and complex interactions with the Livermore Field Office (LFO) on correspondence, new contract requirements, data calls, and in --- TITLE: Mechanical Technologist/Senior Mechanical Technologist - Jupiter Laser Facility EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013410996-mechanical-technologist-senior-mechanical-technologist-jupiter-laser-facility EXCERPT: Mechanical Technologist/Senior Mechanical Technologist - Jupiter Laser Facility Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission. Job Description: We have an opening for a Mechanical Technologist / Senior Mechanical Technologist . You will support ongoing programmatic activities, either independently or in collaboration with engineers, scientists, and technical staff. Tasks may include, but are not limited to, the design of fixtures and assemblies, vacuum system setup and maintenance, gas system setup and maintenance, motion control system setup and maintenance, equipment setup and operation, troubleshooting, hardware modifications, and basic fabrication using common tools and equipment. You will help maintain operation of the facility, target areas, and supporting equipment. This position is in the National Ignition Facility and Photon Science Directorate (NIF & PS). This position is in the Laser Systems Engineering and Operations (LSEO) Division, within the Engineering Directorate specifically at the Jupiter Laser Facility (JLF). This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will --- TITLE: Uncertainty Quantification for Surrogate Models Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012255036-uncertainty-quantification-for-surrogate-models-postdoctoral-researcher EXCERPT: Uncertainty Quantification for Surrogate Models Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an immediate opening for a Postdoctoral Researcher to perform research and development as well as verification and validation of uncertainty quantification (UQ) methods for surrogate models. Deep Gaussian processes as well as scalable Gaussian processes are of particular interest. You will work independently as a technical expert and will interact with other researchers in statistics, UQ, applied mathematics, and machine learning/AI. This position is in the Center for Applied Scientific Computing (CASC) Division within the Computing Principal Directorate. In this role you will Conduct basic research in efficient Gaussian processes to understand conditions under which their resulting uncertainties agree with other UQ metrics for AI surrogate models. Collaborate with others in a multidisciplinary team environment to accomplish research goals including industrial and academic partners. Develop, implement, validate, and document specialized analysis software tools and models as required. Organize, analyze and publish research results in peer-reviewed scientific or technical journals and --- TITLE: High Explosive Modeler - Staff Scientist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012499846-high-explosive-modeler-staff-scientist EXCERPT: High Explosive Modeler - Staff Scientist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Staff Scientist to perform research, development, and application activities in support of Laboratory missions. You will be an integral member of an interdisciplinary team responsible for conducting and supporting research in the development and application of high explosive models predicting detonation performance in response to complex stimuli. This position is in the Reaction Dynamics Group within the Energetic Materials & Design (EMD) section of the Materials Science Division supporting the Energetic Materials Center (EMC). This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization. This position will be filled at either level based on knowledge and related experience as assessed --- TITLE: Transmission Grid Engineer - Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011299206-transmission-grid-engineer-lead EXCERPT: Transmission Grid Engineer - Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an experienced Transmission Grid Engineer . You will lead system research on electrical power grid infrastructure analysis with a focus on grid resilience and participate in business development for the Cyber and Infrastructure Resilience (CIR) program in the Global Security (GS) Principal Associate Directorate. You will participate in collaborations with and travel to DOE headquarters and institutions such as national labs, utilities, and vendors in support of CIR's growing research portfolio in electric grid infrastructure for the Department of Energy (DOE)'s Grid Modernization Initiative and Department of Defense (DoD). This position is in the Computational Engineering Division (CED), within the Engineering Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Lead and support complex research projects with competing priorities and implement --- TITLE: Project Engineering Section Leader - Active Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $273K-$346K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013297506-project-engineering-section-leader-active-clearance-required EXCERPT: Project Engineering Section Leader - Active Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Section Leader to lead the Project Engineering Section (PES). The PES delivers integrated engineering leadership across a portfolio of programs supporting the national security missions, spanning system integration, project engineering, fabrication coordination, controls, software, in support of Strategic Deterrence and Global Security Directorates. Flagship programs that engineers in PES support include ASD Scorpius (a next generation accelerator located at the Nevada National Security Site (NNSS), facility and equipment controls at Site 300, and project controls for the Laboratory's largest and most complex national security projects. You will lead complex, fast-paced R&D efforts at scale - translating mission needs into executable strategies, guiding technical direction, and ensuring delivery across multiple sites within the NNSA complex. You will work through Group Leaders to align priorities, enable execution, and sustain high-performing teams operating in an agile, multidisciplinary environment. As part of a capability-driven organization, you will shape and --- TITLE: Lead Design Engineer - Active Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013217857-lead-design-engineer-active-clearance-required EXCERPT: Lead Design Engineer - Active Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Lead Design Engineer (LDE) for the LLNL Advanced Sources and Detectors (ASD) Scorpius team. ASD Scorpius is a Major Item of Equipment (MIE) being designed and procured on behalf of the National Nuclear Security Administration (NNSA) by the major NNSA laboratories and sites. It is a flash x-ray radiographic capability that will provide essential information in support of stockpile stewardship. The LDE reports programmatically to the ASD Project Office at Los Alamos National Laboratory (LANL). The LDE is a senior level mechanical engineer who is the primary point of contact at each site for design scope and design decisions at that site. Any proposed design changes to subsystems owned by that site are adjudicated by the LDE. The LDE is responsible for interfacing with the project office and partner labs/sites on design decisions. You will provide and/or oversee mechanical engineering functions including design, analysis, fabrication and --- TITLE: Process Engineer - Active Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012762036-process-engineer-active-clearance-required- EXCERPT: Process Engineer - Active Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Process Engineer to develop a full range of moderate to complex inspection and performance tests in the areas of initiations systems, materials characterization, and high-speed diagnostics. In this role, you will be an integral member of an interdisciplinary team responsible for conducting data acquisition in support of LLNL stockpile assessments. This position is in the Detonator Surveillance and Enhanced Assessments Group (DSEAG) within the Environmental Test & Explosive Components (ETEC) section of the Defense Technologies Engineering Division. This assignment requires on-site work and will offer limited flexibility to work from home. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Conduct moderately complex to complex engineering activities and contribute to the development of processes and diagnostics for assessing initiation systems --- TITLE: Solid State Pulsed Power Technical Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $273K-$346K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013230277-solid-state-pulsed-power-technical-lead EXCERPT: Solid State Pulsed Power Technical Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Solid State Pulsed Power (SSPP) Technical Lead supporting the LLNL Advanced Sources and Detectors (ASD) Scorpius team of the Strategic Deterrence (SD) Directorate. You will be responsible for technical scope and recommendations regarding the SSPP level 3 (L3) subsystem of ASD Scorpius, the main L3 subsystem on which LLNL is the leading laboratory. ASD Scorpius is a Major Item of Equipment (MIE) being procured and built on behalf of the Department of Energy (DOE) through a collaboration of 3 laboratories and one site which are part of the National Nuclear Security Administration (NNSA). You will interface regularly with the technical leads of other ASD Scorpius L3 subsystems from multiple laboratories, the LLNL ASD team, and the Los Alamos project office, to coordinate activities, procurements, and knowledge transfer across sites. You will be responsible for technical recommendations and quality of the delivery of your assigned L3 subsystem. Significant --- TITLE: Standby Reliability Power Electrician EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $53.01-$64.43/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013481026-standby-reliability-power-electrician EXCERPT: Standby Reliability Power Electrician Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Standby Reliability Power Electrician . You will perform a variety of specialized journey level electrical functions including maintenance, inspections, operations, installations, repair, replacement, testing, troubleshooting, and commissioning activities on Automatic Transfer Switches (ATS) and building standby generator power systems. This position is in the Maintenance Production Division within the Infrastructure Maintenance and Utilities Department. This position requires working at Site 200 in Livermore, California and at Site 300 in Tracy, California. This position requires full-time on-site presence due to the nature of the work. You will Perform maintenance, inspections, operations, installation, repair, replacement, testing, troubleshooting, and commissioning on building standby generator power systems including automatic and manual transfer switches. Test, troubleshoot, and repair malfunctioning systems, apparatus, or components by using electrical test equipment (voltmeters, ohmmeters, insulation testers, etc.) and print reading skills. Follow all national, local, and Laboratory safety procedures and policies including lockout/tagout (LOTO), selecting and using appropriate --- TITLE: Data Science Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$154K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013362116-data-science-engineer EXCERPT: Data Science Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for early-career Data Science Engineers to join a team applying machine learning, AI/NLP, and data science to national security challenges. You will contribute to the design, development, and deployment of AI-driven capabilities - including large language models (LLM)-based pipelines, knowledge graphs, and intelligent agent prototypes - that advance data and decision sciences for national security. Working alongside senior engineers and domain experts, you will write production-quality code, help build analytical tools and visualizations, and contribute fresh ideas to challenging problems. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate, in support of impactful Global Security Directorate missions. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. You will Under the guidance of senior team members, apply machine learning and data science algorithms to help analyze national --- TITLE: Laborer I/II EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $34.77-$49.44/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013408676-laborer-i-ii- EXCERPT: Laborer I/II Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have openings for the position of Laborer I/II . You will perform manual labor in the clean-up, maintenance, repair, and construction of streets and grounds surrounding buildings and research structures. At the 805.2 level, you will also perform skilled laborer duties such as cement finishing and operating trucks, tractors, graders, bulldozers, backhoes, loaders, and other equipment used for hauling, excavating, and road maintenance. You may operate heavy equipment used in maintaining and building roads, fire trails, parking lots, and associated drainage. This position may require work at Site 300 in Tracy, California. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Perform manual labor in clean-up, maintenance, repair, and construction of buildings, streets and grounds using --- TITLE: Electric Utility Distribution Electrician/Lineman (Site 300) EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Tracy, CA, United States (unspecified) SALARY: $53.01-$64.43/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013231516-electric-utility-distribution-electrician-lineman-site-300- EXCERPT: Electric Utility Distribution Electrician/Lineman (Site 300) Tracy, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We're looking for an Electric Utility Distribution Electrician/Lineman at Lawrence Livermore National Laboratory's Site 300 located in Tracy, California. You will perform a variety of specialized journey-level electrical functions including maintenance, operations, installation, repair, replacement, testing, troubleshooting, and commissioning activities on medium-voltage and high-voltage electric utility systems and equipment. This position is in the Electric Utility Division of the Infrastructure Maintenance & Utilities Department. This position requires full-time on-site presence due to the nature of the work. You will Perform journey-level electrical work. Perform maintenance, switching operations, installation, repair, replacement, testing, troubleshooting, and commissioning work on overhead pole-lines, transformers, switches and other electrical equipment used in the overhead distribution of electric power at the 15kV and 115kV voltage levels. Work with other craft personnel and provide technical guidance. Provide effective and timely customer service to clients and team members. Prepare and deliver reports; fill out preventative maintenance requests, deficiency reports, and work orders --- TITLE: Cryogenic Operations Gas Process Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013220581-cryogenic-operations-gas-process-engineer EXCERPT: Cryogenic Operations Gas Process Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Cryogenic Operations Gas Process Engineer . You will commission and maintain operational status of the various vacuum and cryogenic processes related to the successful fielding of ignition and other types of targets for the Target Experimental Operations group on the National Ignition Facility within the National Ignition Facility & Photon Science (NIF&PS) Directorate. You will be a technical expert in the areas of process gas behavior in cryogenic regimes including mitigation of potential hazards to maintain operational readiness. This position is in the Laser Systems Engineering & Operations (LSEO) Division of the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. You will Function independently with minimal direction, taking significant responsibility and using advanced knowledge and judgment to establish objectives, prioritize parallel tasks, allocate resources, and collaborate in the development of innovative methods/technology to guide the completion of projects and contribute to --- TITLE: Waste Characterization Analyst EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $155K-$236K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013186876-waste-characterization-analyst EXCERPT: Waste Characterization Analyst Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Waste Characterization Analyst to provide technical support. You will ensure that radioactive and hazardous waste generated from LLNL operations is properly characterized, packaged, and managed in accordance with applicable requirements. You will interpret and apply regulations from Resource Conservation and Recovery Act, Department of Toxic Substance Control, Nuclear Regulatory Commission, Department of Transportation and Department of Energy (DOE) Orders pertaining to the management of radioactive, hazardous, and mixed waste. This position is in the Radioactive and Hazardous Waste Management Program (RHWM) within the Strategic Deterrence Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Participate in the waste characterization process to ensure LLNL-generated waste streams are --- TITLE: Senior Security Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011499466-senior-security-researcher EXCERPT: Senior Security Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Senior Research Scientist to lead efforts to develop techniques and tools for cybersecurity in support of the defense of critical infrastructure systems and Federal networks. You will lead and support a range of highly complex projects at the intersection of cybersecurity, operational technology, machine learning, and AI, developing and deploying innovative methods to emulate adversarial behaviors to help develop tools used to defend critical U.S. infrastructure and networks. Your expertise will drive the evolution of advanced cyber capabilities, threat analysis, and mitigation strategies for industrial control systems. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate, in support of Global Security's Energy and Homeland Security (E) program. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Lead and support --- TITLE: Senior Laser Project Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013591236-senior-laser-project-engineer EXCERPT: Senior Laser Project Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We are seeking a Senior Laser Project Engineer to lead innovative engineering projects in advanced laser systems. In this role, you will provide technical leadership and subject matter expertise to design, develop, and deploy cutting-edge systems and components for scientific, defense, and industrial applications. You will work on projects that require diverse engineering expertise, including laser systems engineering, computational simulation, precision design, advanced manufacturing, prototype development, and rigorous testing. This is an opportunity to work on impactful projects that push the boundaries of engineering and technology in a collaborative, multidisciplinary environment. This position is in the Laser Systems Engineering & Operations (LSEO) Division, within the Engineering Directorate and support the National Ignition Facility and Photon Science (NIF&PS) Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. This position requires --- TITLE: Dimensional Inspector/Senior Dimensional Inspector EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013410946-dimensional-inspector-senior-dimensional-inspector EXCERPT: Dimensional Inspector/Senior Dimensional Inspector Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Dimensional Inspectors/Senior Dimensional Inspectors . You will be responsible for various inspection level requirements, related procedures, techniques, and standards (Quality Assurance and ASME Y14.5 Dimensioning and Tolerancing). You will set up and employ an assortment of measuring tools, gauges, and inspection data acquisition equipment. These positions are in the Manufacturing Engineering Section (MES) of the Materials Engineering Division (MED), within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. These positions will be filled at either level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. In this role you will Program, set up, and operate a variety of Coordinate Measuring Machines (CMMs). Set up and utilize a variety of moderately complex measuring tools, gauges, and inspection data acquisition equipment. Identify, analyze, and resolve routine inspection challenges and recommend solutions for moderately --- TITLE: Design Optimization Engineer - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$143K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013125026-design-optimization-engineer-postdoctoral-researcher EXCERPT: Design Optimization Engineer - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Design Optimization Engineer - Postdoctoral Researcher to conduct basic and applied research in the optimization, simulation, and design of physical and engineered systems. You will work both collaboratively and independently to extend and develop physics-based design optimization tools. Our team is working to advance the state-of-the-art in support of Laboratory missions. This position is in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. You will Develop and implement high-performance computing (HPC) algorithms for the simulation and design optimization of systems governed by nonlinear, transient, multiscale and multiple physical phenomena, including uncertainties in geometry and material properties. Contribute to identifying and solving challenging design optimization problems with gradient-based optimization approaches. Develop continuum models and implement them --- TITLE: Electrical Engineer – Unmanned Systems & Ground Penetrating Radar EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013043946-electrical-engineer-unmanned-systems-ground-penetrating-radar EXCERPT: Electrical Engineer – Unmanned Systems & Ground Penetrating Radar Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Electrical Engineer to support the design and development of unmanned ground and aerial systems and ground penetrating radar (GPR) technologies. This role focuses on system-level electrical engineering, including printed circuit board (PCB) design, subsystem integration, RF and digital electronics, and support of fielded systems. You will contribute to the development, integration, and testing of advanced sensing and autonomous platforms, with job scope that spans the full engineering lifecycle, including design, fabrication, integration, test, and deployment. The position requires close collaboration with multidisciplinary teams, including mechanical, software, and systems engineers, to ensure robust and reliable system performance. This position is in the National Security Engineering Division (NSED) within the Engineering Directorate. This position offers a hybrid schedule, blending in-person and virtual presence. You will have the flexibility to work from home one or more days per week. This position will be filled at either level --- TITLE: Power Grid Engineer - Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012959617-power-grid-engineer-lead EXCERPT: Power Grid Engineer - Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an experienced Power Grid Engineer Lead . You will lead system research on electrical power grid infrastructure analysis with a focus on grid resilience and participate in business development for the Cyber and Infrastructure Resilience (CIR) program in the Global Security (GS) Principal Associate Directorate. You will participate in collaborations with and travel to DOE headquarters and institutions such as national labs, utilities, and vendors in support of CIR's growing research portfolio in electric grid infrastructure for the Department of Energy (DOE)'s Grid Modernization Initiative and Department of Defense (DoD). This position is in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. This position will be filled at either level based on knowledge and related experience as --- TITLE: Mechanical Technologist/Sr. Mechanical Technologist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013328266-mechanical-technologist-sr-mechanical-technologist EXCERPT: Mechanical Technologist/Sr. Mechanical Technologist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Mechanical Technologist/Sr. Mechanical Technologist to support a variety of projects related to vibration and shock testing, general environmental testing, modal analysis, health monitoring, aging studies, data acquisition, load testing, general instrumentation, and measurement diagnostics. This position is in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate, supporting operations within the Strategic Deterrence (SD) Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. In this role, you will Operate test equipment (shaker systems, shock machines, thermal chambers, etc.) using intermediate knowledge of best test and measurement practices. Perform maintenance activities to keep test equipment operational and functional. Conduct tests on mechanical and\or diagnostic systems, aid with analysis --- TITLE: Mechanical Technologist/Senior Mechanical Technologist - High Explosives Application Facility EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013357131-mechanical-technologist-senior-mechanical-technologist-high-explosives-application-facility EXCERPT: Mechanical Technologist/Senior Mechanical Technologist - High Explosives Application Facility Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Mechanical Technologist/Senior Mechanical Technologist to support new and on-going experimentation within the High Explosives Application Facility (HEAF). You will contribute to the fulfillment of technical projects by working with Explosive Research Experimental Leads (EREL's), Team Leads, Engineers, Scientists and Technicians in the design, fabrication, assembly, and fielding of experimental assemblies. This position is within the National Security Engineering Division within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. You will Provide general technical support to engineering, scientific, and technical staff to plan and conduct experiments at LLNL and other off-site locations in support of various programmatic activities. Design, fabricate, assemble --- TITLE: Senior Storage System Software Developer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$223K POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013569666-senior-storage-system-software-developer- EXCERPT: Senior Storage System Software Developer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Senior Storage System Software Developer on a team that researches, designs, develops, maintains, and integrates software and hardware solutions that underpin scalable storage services within the Livermore Computing high-performance computing center. In this role, you will apply software development experience and broad systems-level mastery to support production parallel file systems and archival storage systems: to include troubleshooting, debugging, assistance to system administration staff to isolate software defects on production systems, and independent software development to address challenging issues on large-scale systems. Additionally, this position includes opportunities to implement new software features in archival storage and file systems such as High-Performance Storage System (HPSS), Lustre, and ZFS. This position is in the Livermore Computing Division within the Computing Principal Associate Directorate. This position offers a hybrid schedule, blending in-person and virtual presence. You will have the flexibility to work from home up to two days per week. This position --- TITLE: Measuring and Test Equipment Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013219396-measuring-and-test-equipment-engineer EXCERPT: Measuring and Test Equipment Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Measuring and Test Equipment (M&TE) Engineer to apply advanced technical knowledge in support of ongoing projects in the Superblock, a DOE Hazard Category 2 nuclear facility. You will be program owner for the Superblock M&TE as well as the LLNL Performed Calibrations (LPC) Plan for Critical M&TE. As the program SME, you will be responsible for ensuring the accuracy of test and experimental data used in reports, research & development, specifications, acceptance testing, or in the development and fabrication of product. You will ensure the accuracy, calibration, and compliance of precision measurement tools used in manufacturing, R&D, or production. Key duties include managing equipment lifecycles, performing, or coordinating calibrations, analyzing data, and maintaining compliance with quality standards. This position is in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. This position will be filled at either level based on knowledge and related experience as assessed by --- TITLE: Explosives Research Experiment Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013482256-explosives-research-experiment-lead EXCERPT: Explosives Research Experiment Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Explosives Research Experiment Lead . You will lead experimental activities, under general direction, involving the use of high explosives and other energetic materials, supporting the stewardship of the U.S. nuclear stockpile, conventional weapons design, counterterrorism efforts, and commercial partnerships. This position is within the Strategic Deterrence Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options, may vary based on the needs of the team and the organization. This position will be filled at either level depending on your skills. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. In this role, you will Plan, execute, diagnose, analyze and interpret explosively driven hydrodynamic experiments in collaboration --- TITLE: Processing & Joining Metallurgist / Materials Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012224026-processing-joining-metallurgist-materials-engineer EXCERPT: Processing & Joining Metallurgist / Materials Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Processing and Joining Metallurgist/Materials Engineer to develop, qualify, and implement metallic joining and thermal processing methods for critical national security components. In this hands-on role, you will lead process development and metallurgical characterization, partnering with design, modeling, materials, and production organizations across LLNL and external production agencies. You will work within an interdisciplinary team to establish process, structure, and property relationships in structural alloys, with opportunities to grow into a technical leader in joining and thermal processing. This position is in the Materials Engineering Division (MED) within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Develop, execute, and optimize metallic joining and --- TITLE: Nuclear Facility Mechanical Cognizant Systems Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012798986-nuclear-facility-mechanical-cognizant-systems-engineer EXCERPT: Nuclear Facility Mechanical Cognizant Systems Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Nuclear Facility Mechanical Cognizant Systems Engineer to provide engineering expertise to ensure continued operational readiness of DOE Hazard Category 2 and 3 nuclear facility building structures by: maintaining overall cognizance of the integrity of Hazard Category 2 and 3 assigned systems; providing system engineering support for Operations and Maintenance activities, such as facility modifications and equipment installations; and, technical support of line management safety responsibilities. You will often be involved in significant research and development (R&D) projects, applying your expertise and creating innovative solutions. This position will report programmatically to the Superblock and administratively to the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home up to one day per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and --- TITLE: Facility Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $129K-$196K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013459859-facility-engineer EXCERPT: Facility Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Facility Engineer to provide engineering support for new construction, upgrades to facility systems (i.e., building structure, ventilation, fire suppression, compressed gas, piping, and pipe supports), design review, and modifications to conventional office and laboratory facilities. You will apply advanced technical knowledge in project management and system engineering to develop conceptual ideas into workable and cost-effective solutions that maintain facilities supporting treatment and storage of radioactive and hazardous waste. This position supports the Radioactive and Hazardous Waste Management Program in the Strategic Deterrence Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Prepare and implement designs utilizing design criteria, calculations, schematics, sketches, construction documents, procedures, and specifications. Utilize --- TITLE: Mechanical Technologist/Sr. Mechanical Technologist - Nuclear Materials Engineering EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012188114-mechanical-technologist-sr-mechanical-technologist-nuclear-materials-engineering EXCERPT: Mechanical Technologist/Sr. Mechanical Technologist - Nuclear Materials Engineering Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Mechanical Technologists/Sr. Mechanical Technologists to support the various operations of new and on-going experiments involving engineering evaluation, fabrication, assembly, and documentation for various programs. These operations and experiments may involve working with radioactive/fissile materials. The scope of the work may include programmatic support of experiments. You will work under general supervision in a team environment in support of physics experiments, and Mechanical Engineering evaluation. In addition, you will contribute to the team by providing operations, maintenance, design, fabrication, assembly support, and documentation. Work may involve Beryllium, radioactive/fissile materials, other hazardous materials, and classified parts and documents. These positions will be in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. These positions require a full-time on-site presence due to the nature of the work. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional --- TITLE: Radiological Control Technician EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013265946-radiological-control-technician EXCERPT: Radiological Control Technician Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Radiological Control Technician (RCT) in the Environment, Safety and Health (ES&H) Directorate, to support the National Ignition Facility (NIF) and Photon Sciences Principal Directorate. You will complete qualifications as a Department Of Energy (DOE) RCT through the LLNL RCT training program and provide radiological control functions, health physics counting lab support and operation and maintenance of radiological monitoring equipment in support of multi-shift operations; perform radiological and beryllium surveys and measurements; oversee radiological aspects of work performed by NIF technicians; perform decontamination and maintenance on equipment contaminated with radioactive materials and/or beryllium. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. This position requires full-time on-site presence due to the nature of the work. You will Provide general technical support, guidance and monitoring in radiation --- TITLE: Spacecraft Systems Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012172516-spacecraft-systems-engineer EXCERPT: Spacecraft Systems Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Spacecraft Systems Engineers to provide spacecraft subject matter expertise as part of a multi-disciplinary team performing concept development, requirements generation, modeling & simulations, and analyses of advanced space payloads and spacecraft models for the Z Program's Space Science and Security Program (SSSP). You will collaborate with scientific and engineering personnel as well as senior management to design and deliver spacecraft models to support national security missions. You may also have some project management responsibilities for defining and implementing the technical, programmatic, and supervisory functions necessary to ensure the successful execution of the program's agenda and develop a broad range of interfaces with current and potential sponsors. These positions in the National Security Engineering Division (NSED) within the Engineering Directorate. These positions offer a hybrid schedule, blending in-person and virtual presence. You will have the flexibility to work from home one or more days per week. These positions will be filled at --- TITLE: Nuclear Facility Industrial Controls Cognizant Systems Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012380127-nuclear-facility-industrial-controls-cognizant-systems-engineer EXCERPT: Nuclear Facility Industrial Controls Cognizant Systems Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Nuclear Facility Industrial Controls Cognizant Systems Engineer to provide engineering expertise to ensure continued operational readiness of DOE Hazard Category 2 and 3 nuclear facility building structures by: maintaining overall cognizance of the integrity of Hazard Category 2 and 3 assigned systems; providing system engineering support for Operations and Maintenance activities, such as facility modifications and equipment installations; and, technical support of line management safety responsibilities. You will often be involved in significant research and development (R&D) projects, applying your expertise and creating innovative solutions. This position will report programmatically to the Superblock and administratively to the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home up to one day per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the --- TITLE: Senior Systems Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011972036-senior-systems-engineer- EXCERPT: Senior Systems Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Systems Engineer to drive the adoption of Model-Based Systems Engineering (MBSE), digital requirements management, and related digital engineering practices across the Weapon Technologies and Engineering (WTE) Program within the Deterrence Capabilities Group. You will serve as a cross-functional product expert and trusted advisor, guiding engineers to adopt and maximize the value of digital engineering tools and processes, including discrete requirements management and model-based systems engineering. Collaborating with multidisciplinary teams, you will advance MBSE and other digital engineering practices, assist in shaping related business processes, deliver training, and act as a liaison between solution providers and end users to facilitate effective tool adoption and integration, advocate for digital engineering adoption and grow communities of practice. This position is in the Deterrence Capabilities Group (DCG) in the Defense Technologies Engineering Division (DTED), supporting the Weapon Technologies and Engineering (WTE) Program. This position may offer a hybrid schedule, which includes the flexibility to --- TITLE: Mechanical Design Drafter/Designer - Space Program EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013436116-mechanical-design-drafter-designer-space-program EXCERPT: Mechanical Design Drafter/Designer - Space Program Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Mechanical Design Drafter or Designer to primarily support projects in the Space Science and Security Program within the Global Security Directorate; secondary support would include a wide variety of customers and projects including Physical and Life Sciences (PLS), Strategic Deterrence (SD), Global Security (GS), accelerator technologies, high-energy physics, Energy, and others. You will provide drafting and design support for mechanical apparatus, equipment, assemblies, components, facilities, utilities and systems. Because of the vast and varying types of work we are involved with, this position will require the Mechanical Designer to have the ability to be flexible, working with various groups/projects that require design assistance. This position is in the National Security Engineering Division (NSED) with the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by --- TITLE: Laser System Operator EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$53.36/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013239066-laser-system-operator EXCERPT: Laser System Operator Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for NIF Laser System Operators supporting the Beam Control System (BCS) and Injection Laser System (ILS) in the NIF Control Room. You will be a vital member of the operations team at the National Ignition Facility (NIF), supporting the world's most energetic laser system. It is an exciting time to join the team that achieved fusion ignition in December 2022, a historic moment in science, opening new physics regimes and setting the stage for new fusion energy possibilities. As a Control Room Operator, you will work in a multidisciplinary team to develop, deploy and maintain complex laser systems while ensuring the reliable and safe functioning of the beam control and injection laser subsystems, which are essential for the precision and performance of NIF's experimental campaigns. A NIF Laser System Operator is responsible for overseeing the real-time operation of laser beam control and injection systems, ensuring precise alignment, timing, and pulse shaping for --- TITLE: Power Grid Dynamics Engineer - Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012960946-power-grid-dynamics-engineer-lead EXCERPT: Power Grid Dynamics Engineer - Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an experienced Power Grid Dynamics Engineer Lead . You will lead system research on electrical power grid infrastructure analysis with a focus on grid resilience and participate in business development for the Cyber and Infrastructure Resilience (CIR) program in the Global Security (GS) Principal Associate Directorate. You will participate in collaborations with and travel to DOE headquarters and institutions such as national labs, utilities, and vendors in support of CIR's growing research portfolio in electric grid infrastructure for the Department of Energy (DOE)'s Grid Modernization Initiative and Department of Defense (DoD). This position is in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. This position will be filled at either level based on knowledge and related --- TITLE: Atmospheric Sciences - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013263506-atmospheric-sciences-postdoctoral-researcher EXCERPT: Atmospheric Sciences - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Atmospheric Science-Postdoctoral Researcher to work in the areas of clouds and precipitation with the goal of improving performance of global storm resolving models through evaluation and diagnosis using Department of Energy Atmospheric Radiation Measurement program observations. Research topics may include the mechanistic understanding of clouds, convection, precipitation and land-atmosphere interactions. This is a two-year Postdoctoral appointment with the possibility of extension to a maximum of three years. This position is in the Atmospheric, Earth, and Energy Division which is part of the Physical and Life Sciences Directorate. This position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. In this role, you will Conduct research on the processes governing the transitions in boundary layer turbulence, clouds, convection, precipitation, and land-atmosphere interaction. Diagnose and improve global storm resolving models using ground-based and satellite --- TITLE: Mechanical Technologist/Sr. Mechanical Technologist - LLNL Independent Diagnostic Scoring System (LIDSS) Group EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013570236-mechanical-technologist-sr-mechanical-technologist-llnl-independent-diagnostic-scoring-system-lidss-group EXCERPT: Mechanical Technologist/Sr. Mechanical Technologist - LLNL Independent Diagnostic Scoring System (LIDSS) Group Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Mechanical Technologists/Sr. Mechanical Technologist to support LLLNL's Independent Diagnostic Scoring System (LIDSS) team. Primary work activities include fabrication, assembly, maintenance, design and operating equipment used in the setup and deployment of the LLNL Independent Diagnostic Scoring System (LIDSS), which is a complex system used to capture and record neutron, hydrophone, and optics data to aid in delivery vehicle scoring and to help assess weapon performance as part of LLNL's mission for Stockpile Stewardship. Much of the testing is done at remote locations such as the Kwajalein Atoll, located in the Republic of Marshall Islands, as well as other locations including the Dugway Proving Grounds (Utah), the Broad Ocean Area, and Holloman Air Force Base (New Mexico). This position is in the Defense Technologies Engineering Division (DTED) within the Engineering Directorate, supporting operations within the Strategic Deterrence (SD) organization. This position requires --- TITLE: Energy Resilience Data Scientist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012472055-energy-resilience-data-scientist EXCERPT: Energy Resilience Data Scientist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Energy Resilience Data Scientist . This role sits at the intersection of data science, energy systems, and critical infrastructure resilience, helping transform complex, multi-source data into actionable insights for resilience planning and risk assessment. In this role, you will develop data-driven and applied machine learning methods to assess, model, and improve the resilience of energy systems. You will combine applied research and critical thinking to understand complex, heterogeneous datasets, build predictive and decision-support models, and communicate results to multidisciplinary engineering teams and program sponsors. You will support LLNL's Cyber and Infrastructure Resilience (CIR) program's growing research portfolio in electric grid infrastructure. This position is in the Computational Engineering Division (CED), within the Engineering Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the responsibilities (outlined below) will be assigned if hired at the higher level. You will Develop and apply --- TITLE: Criticality Safety Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012065946-criticality-safety-engineer- EXCERPT: Criticality Safety Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Criticality Safety Engineer. You will contribute to the design, development, and testing of nuclear equipment and systems for Lawrence Livermore National Laboratory (LLNL) operations with fissionable materials. You will also contribute to projects and task assigned to LLNL supporting the Department of Energy (DOE) Nuclear Criticality Safety Program. This position is in the Nuclear Criticality Safety Division within the Environment, Safety, and Health (ES&H) Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. This position requires full-time on-site presence due to the nature of the work. You will Perform criticality safety evaluations in conformance with DOE-STD-3007 and LLNL administrative procedures and participate in design and reviews of new or proposed changes to existing equipment or operating procedures. Perform walk-through inspections and basic annual reviews --- TITLE: Microwave/RF Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012778996-microwave-rf-engineer EXCERPT: Microwave/RF Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Microwave/RF Engineer to apply commercial and in-house simulation tools for the analysis and design of advanced electromagnetic systems in support of national security missions. You will be responsible for using your engineering judgement and modeling experience for a wide variety of projects including high-power microwave, antenna design, Radio Frequency (RF) Electromagnetics, and radar modeling. These positions are in the Computational Electromagnetics Group of the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, these positions may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. These positions will be filled at either level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. You will Provide electromagnetics knowledge to interdisciplinary teams, work under general supervision, assist in determining own tasks and milestones, consult --- TITLE: Nuclear Facility Senior Electrical Project Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012187736-nuclear-facility-senior-electrical-project-engineer EXCERPT: Nuclear Facility Senior Electrical Project Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Nuclear Facility Senior Electrical Project Engineer to provide engineering support for new construction, upgrades to electrical facility systems, and modifications to laboratory facilities. You will participate in new and ongoing projects with technical responsibilities including design, development, fabrication, integration, testing and fielding of facility projects and upgrades. You will often be involved in significant R&D projects, applying your expertise and creating innovative solutions. You will additionally apply advanced technical knowledge in electrical engineering to develop conceptual ideas into workable and cost-effective solutions that maintain facilities, supporting research and investigations of nuclear materials. This position will report programmatically to the Facility Projects Manager in the Superblock. This position is in the Defense Technologies Engineering Division (DTED) within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as --- TITLE: Crafts Supervisor - Alarms Group EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $65.25-$79.92/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012553886-crafts-supervisor-alarms-group EXCERPT: Crafts Supervisor - Alarms Group Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Craft Supervisor (Deployed Team Responsible Individual), assigned to the Alarms Group within the Infrastructure Maintenance and Utilities Department (IMUD) in the Infrastructure & Operations Directorate (I&O). You will provide significant technical and administrative guidance and be responsible for managing and directing the day-to-day activities of skilled trades including establishing priorities, setting up schedules and coordinating work. This position may require working at Site 300 located in Tracy, California. This position requires full-time on-site presence due to the nature of the work. You will Supervise and coordinate the work of the various skilled trades engaged in the installation, repair, alternation, operation and maintenance of plant facilities, utilities, and infrastructure. Coordinate work with planners, schedulers, other shops, building and programmatic personnel; define scope of work, efforts required, and materials needed for work requests, schedule work assignments, solve problems and make decisions all while ensuring work is carried out safely and --- TITLE: Metallographer Technologist/Senior Metallographer Technologist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013076086-metallographer-technologist-senior-metallographer-technologist EXCERPT: Metallographer Technologist/Senior Metallographer Technologist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Metallographer Tech/Sr. Tech (Mechanical Technologist/Senior Technologist) in the Materials and Non-Destructive Evaluation Section. You will support ongoing programmatic activities independently, and you will work with engineers, scientists, and technical staff to provide technical support for characterizing a wide variety of materials using optical microscopy, established surface preparation techniques, and measurement of microstructural features. Tasks may include, but are not limited to, sample preparation, digital optical microscopy, hardness testing, and other techniques for a variety of metal alloys and other materials. This position is in the Materials Engineering Division (MED) within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Provide general technical support by applying fundamental --- TITLE: Nuclear Facility Senior Mechanical Project Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012881122-nuclear-facility-senior-mechanical-project-engineer EXCERPT: Nuclear Facility Senior Mechanical Project Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We are seeking a Nuclear Facility Senior Mechanical Project Engineer to provide engineering design solutions for new construction, upgrades to facility mechanical systems (i.e., ventilation, fire suppression, compressed gas, chillers, boilers), and modifications to conventional office and laboratory facilities. You will apply advanced technical knowledge in mechanical engineering to develop conceptual ideas into workable and cost-effective solutions that maintain facilities supporting research and investigations of nuclear materials. You will participate in new and ongoing projects with technical responsibilities including design, development, fabrication, integration, testing and fielding of facility projects and upgrades. You will apply advanced technical knowledge in mechanical engineering to develop conceptual ideas into workable and cost-effective solutions that maintain facilities, supporting research and investigations of nuclear materials. This position will report programmatically to the Facility Projects Manager in the Superblock. This position is in the Defense Technologies Engineering Division (DTED) within the Engineering Directorate. This position requires full-time on-site presence due --- TITLE: Experimental Dynamic Materials - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $123K-$123K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013145636-experimental-dynamic-materials-postdoctoral-researcher EXCERPT: Experimental Dynamic Materials - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Postdoctoral Researcher to conduct experimental laser-driven, dynamic compression research with emphasis on structural and bulk temperature measurements under extreme conditions. Temperature determination and in situ X-ray diffraction in extreme states is a key element of the portfolio, but the role is intentionally broad to support a range of high energy density science objectives. You will be part of an interdisciplinary team of experimental physicists, materials scientists, and optical/x-ray diagnosticians utilizing world-class facilities to conduct High Energy Density experiments. This position is in the Physics Division within the Physical and Life Sciences (PLS) Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. You will Participate in the conception, design, fielding, and evaluation of laser-driven experiments to study the physics of HED matter. Develop, implement and --- TITLE: Laser Material Interaction Science - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013527067-laser-material-interaction-science-postdoctoral-researcher EXCERPT: Laser Material Interaction Science - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Postdoctoral Researcher to conduct research in laser-material interactions, with an emphasis on high-sensitivity optical microscopy capabilities, including multimodal characterization, generation and application of quantum-entangled photons, gas detection using Raman spectroscopy and/or absorption-based measurements, and materials characterization. You will actively participate in research on the development and use of high-sensitivity optical microscopy and spectroscopy capabilities, including multimodal characterization, development of entangled photon sources, and laser-based diagnostic platforms for materials and gaseous species. This position is in the Laser Material Interaction Science Group of the Materials for Emerging Applications & Extreme Conditions section in the Materials Science Division. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the --- TITLE: Project Controls Analyst - Scheduler EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $129K-$196K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013011666-project-controls-analyst-scheduler EXCERPT: Project Controls Analyst - Scheduler Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Project Controls Analyst - Scheduler. In this role, you will support the analysis of project cost and schedule data and assist in the development and maintenance of resource-loaded schedules, working closely with project managers and project teams to support planning, tracking, and reporting activities across multiple projects. You will apply project controls and Earned Value Management (EVM) methodologies to support the integration of cost, schedule, and performance data, ensuring accurate tracking of project progress and performance throughout the project lifecycle. This position is in the Project Management Office (PMO). This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Analyze project cost and schedule data and provide project controls inputs to support project decision-making across multiple projects within a portfolio. Assist in --- TITLE: Laser Postdoctoral Researcher - Advanced Photon Technologies EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $123K-$123K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013144232-laser-postdoctoral-researcher-advanced-photon-technologies- EXCERPT: Laser Postdoctoral Researcher - Advanced Photon Technologies Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Laser Postdoctoral Researcher in Advanced Photon Technologies (APT) to participate in the research and development of advanced solid-state laser technology, ultra-fast solid-state lasers, high peak power lasers, high average power lasers, and high energy / high intensity short pulse lasers. This work will take place within the National Ignition Facility & Photon Science (NIF&PS) Directorate, home to the world's most energetic laser. APT specializes in developing high repetition rate long- and short-pulsed laser systems, like the High-repetition-rate Advanced Petawatt Laser System, and high repetition rate high energy nanosecond pulsed diode-pumped solid-state lasers for EUV generation and Inertial Fusion Energy, as well as associated innovative component demonstrations. This position is in the High Energy Density & Photon Science (HED & PS) organization in the Advanced Photon Technologies (APT) group within the National Ignition Facility and Photon Science (NIF & PS) Principal Associate Directorate (PAD). In this role you --- TITLE: Precision / Metrology Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012487656-precision-metrology-engineer EXCERPT: Precision / Metrology Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Mechanical/Precision or Metrology Engineer to join our Manufacturing Engineering and Technology Development Group. You will apply precision engineering principles to contribute to and/or lead projects supporting stockpile stewardship programs. These efforts will include the planning and execution of strategies for quantifying the uncertainty of new and existing technologies ranging from additive manufacturing to dimensional metrology. You will become familiar with the ongoing priorities of the programs being supported to assist in developing proposals for future technology development that aids in the success of program objectives. Projects may involve requirements that are beyond commercially available capabilities and solutions may require modifications to commercial tools or development of advanced tools, sensors, and fabrication methods. When available technology is inadequate to meet current or future program needs, forward thinking will be essential for envisioning directions for technology development. This position is in the Material Engineering Division (MED), within the Engineering Directorate. This --- TITLE: Executive Assistant - Engineering Principal Associate Director's Office - Active Security Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $113K-$139K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013526186-executive-assistant-engineering-principal-associate-director-s-office-active-security-clearance-required EXCERPT: Executive Assistant - Engineering Principal Associate Director's Office - Active Security Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Executive Assistant . You will perform a full range of advanced, complex, diverse, and sensitive administrative duties in support of the Principal Associate Director (PAD) and supporting staff, including managing complex calendars, coordinating high-level meetings and communications, overseeing the PAD signature process, arranging extensive travel, and driving operational efficiency through AI tools and emerging technologies. You will serve as the central point-of-contact for the PAD Office and senior leaders, interfacing with senior-level internal and external personnel, including government officials, to exchange, gather, and disseminate information. This position is in the Engineering Principal Associate Director's Office. You will Represent the Principal Associate Director (PAD) in daily administrative matters, clarifying, coordinating, communicating, and disseminating information on behalf of the PAD, and serve as a central administrative point-of-contact for the Directorate; interact with all levels, both internal and external personnel, to achieve Directorate --- TITLE: Subcontract Analyst EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $115K-$169K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013138037-subcontract-analyst EXCERPT: Subcontract Analyst Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Subcontract Analyst who will solicit, negotiate, award, and administer various types of subcontracts for commercial and non-commercial supplies, and services. You will, in accordance with applicable regulations, negotiate and administer various moderate to high value dollars, fixed price, cost reimbursable, unique and/or unusual complex subcontracts. This position is in the Procurement Department. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Apply and interpret established procurement policies, procedures, and processes, including those that are complex and may require in-depth analysis and interpretation; ensure compliance with internal and external business standards, and Department of Energy/National Nuclear Security Administration (DOE/NNSA) requirements. Assist organizations in all activities related to the placement of complex subcontracts, including developing statements-of-work, identifying sources, and participating in overall acquisition planning. Review requisitions --- TITLE: Operations Research Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$143K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012380987-operations-research-postdoctoral-researcher EXCERPT: Operations Research Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Postdoctoral Researcher in Operations Research to conduct research in the areas of stochastic, decentralized, and/or multi-level optimization, with specific application to critical infrastructure systems. You will be an integral part of a multi-disciplinary team of researchers, with skill sets ranging from computer and climate science to power and industrial engineering; projects are typically collaborative with partner academic institutions and other national labs. You will be developing advanced models of decision-making under uncertainty and adversarial contexts for critical infrastructure operations, planning, and resilience. You will join ongoing efforts in strategic capacity expansion planning and infrastructure interdiction but may also support other research initiatives sponsored by our U.S. Government partners. You will work with experienced LLNL scientists and engineers and contribute to new numerical methods and analysis tools that provide insights to inform near and long-term strategy and technology decisions. This position is in the Computational Engineering Division (CED), within the --- TITLE: Machine Learning Research Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $146K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013412186-machine-learning-research-engineer EXCERPT: Machine Learning Research Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for Machine Learning Research experts to join our team and advance the discipline as well as apply cutting edge tools and techniques to some of society's most important problems. You will work with or lead a multi-disciplinary team consisting of machine learning experts, data science practitioners, and domain scientists in areas ranging from fundamental research in machine learning, i.e., AI safety, robustness, uncertainty quantification, or interpretability to applied problems in fields such as high energy density physics, material science, predictive medicine, and treatment discovery. You will also have the opportunity develop and lead independent research thrust and engage with a variety of related research projects in parallel computing, data analysis and visualization, or applied mathematics. This position is in the Center for Applied Scientific Computing (CASC) Division within the Computing Directorate. Essential Duties Research, develop, implement, and evaluate new machine learning techniques for multiple applications in a collaborative scientific environment. Adapt --- TITLE: Power Grid Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011499376-power-grid-engineer EXCERPT: Power Grid Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Power Grid Engineer to conduct research in the topics of power system modeling and simulation, analysis, planning, operation, resilience, lab testing of devices and integrated systems, and field pilots. You will support LLNL's Cyber and Infrastructure Resilience (CIR) program's growing research portfolio in electric grid infrastructure. You will participate in collaborative research projects funded by the Department of Energy and similar, the State of California, and private sectors. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate. These positions will be filled at either level based on knowledge and related experience as assessed by the responsibilities (outlined below) will be assigned if hired at the higher level. You will Conduct research in the topics of power grid modeling and simulation, analysis, planning, operation, monitoring and control, data analytics, power quality, signal processing, resilience, microgrids, HIL lab testing, and field pilots. Present formal and informal overviews of --- TITLE: High-Power Laser Systems Engineering and Operations Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $282K-$360K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013459916-high-power-laser-systems-engineering-and-operations-manager EXCERPT: High-Power Laser Systems Engineering and Operations Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: Do you want to lead a large multidisciplinary organization responsible for some of the world's most complex, high performance laser systems while enabling groundbreaking national security science? The National Ignition Facility (NIF), the world's largest and most energetic laser, is seeking a dynamic High-Power Laser Systems Engineering and Operations Manager to lead the Laser and Alignment Systems Engineering Section in support of safe, reliable operations, strong system performance, critical maintenance, and future capability enhancements. This role offers a unique opportunity to apply your leadership, engineering judgment, and strategic vision at one of the world's most advanced scientific facilities. You will oversee a large organization of engineers and technicians responsible for the operation, maintenance, troubleshooting, performance monitoring, and continuous improvement of critical laser, diagnostic, pulsed power, and alignment systems that support NIF. This includes both engineering sustainment and round-the-clock operational readiness for systems essential to mission execution. As the High-Power Laser Systems Engineering --- TITLE: Power Grid Dynamics Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012960596-power-grid-dynamics-engineer EXCERPT: Power Grid Dynamics Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for a Power Grid Dynamics Engineer to conduct research in the topics of power system modeling and simulation, analysis, planning, operation, resilience, lab testing of devices and integrated systems, and field pilots. You will support LLNL's Cyber and Infrastructure Resilience (CIR) program's growing research portfolio in electric grid infrastructure. You will participate in collaborative research projects funded by the Department of Energy and similar, the State of California, and private sectors. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, these positions may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. These positions will be filled at either level based on knowledge and related experience as assessed by the responsibilities (outlined below) will be assigned if hired at the higher level. You will Conduct research in the --- TITLE: Quantum Device and Circuit Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013570582-quantum-device-and-circuit-postdoctoral-researcher EXCERPT: Quantum Device and Circuit Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Postdoctoral Researcher to participate in research developing quantum devices utilizing superconducting and quantum materials for applications in quantum computing and quantum sensing. The research will also include a cross-division appointment with the Nuclear & Chemical Sciences (NACS) Division for studying the implementation of such detectors for use in axion dark matter detection experiments. You will be an integral member of an interdisciplinary team responsible for conducting and supporting research to develop and characterize the performance of quantum amplifiers utilizing topological materials. You will also conduct research contributing to the design and testing of superconducting RF cavities. The position is in the Nanoscale, Surface, and Interface Science Group within the Materials for Emerging Applications and Extreme Conditions section of the Materials Science Division in the Physical and Life Sciences Directorate. This position requires full-time on-site presence due to the nature of the work. You will Design and conduct --- TITLE: Laser Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$223K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012004786-laser-engineer EXCERPT: Laser Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Laser Engineer to support National Ignition Facility (NIF) laser engineering, operations, and maintenance within the world's most advanced laser facility. In this critical role, you will be responsible for running and maintaining the advanced laser systems and support hardware for the world's largest laser with 192 beams, ensuring that all laser work is seamlessly planned, coordinated, and executed to support experiments in High Energy Density Physics, Laser Fusion and Ignition, and National Security. You will also lead projects aimed at improving laser technology and implementing new capabilities to further increase NIF's power, energy, and precision, partnering with scientists, engineers, and technicians across NIF sections to define clear objectives, deliverables, and interfaces. As a key member of the Laser Systems Engineering and Operations (LSEO) Division in the Engineering Directorate, you will help drive the continued success of this flagship experimental facility of the National Nuclear Security Administration within the Department of Energy. --- TITLE: Target Fabrication Production Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $227K-$346K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013481896-target-fabrication-production-manager EXCERPT: Target Fabrication Production Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Target Fabrication Production Manager within our National Ignition Facility (NIF). NIF is the world's most powerful and energetic laser. You will be responsible for managing the team that is involved with the timely production of NIF and OMEGA targets at LLNL. You will be responsible for the various aspects of scheduling and workflow for delivery of laser targets. You will deliver quality targets on-time for the NIF and other facilities. You will work with the Master Scheduler to develop assembly and metrology schedules in support of on-time delivery of laser targets. You will lead a team of assemblers and support staff across multiple assembly locations. You will assign production resources, track production metrics, and propose process improvements. This role will be in the Target Fabrication Program, within the NIF & Photon (NIF&PS) Science Directorate. This position resides in the Laser Systems Engineering & Operations (LSEO) Division within the Engineering --- TITLE: Utility Locator - Damage Prevention Technician EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $52.23-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013310596--utility-locator-damage-prevention-technician EXCERPT: Utility Locator - Damage Prevention Technician Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We're looking for a Utility Locator - Damage Prevention Technician . You will provide advanced coordination and support for LLNL projects by performing utility locating operations using state-of-the-art equipment to identify and map hidden substructures and buried utilities, as well as conducting ground penetrating radar (GPR) scans of concrete structures. This position is in the Infrastructure Engineering and Operations Department and may require work at Site 300 in Tracy, California. This position requires full-time on-site presence due to the nature of the work. You will Provide advanced technical coordination and support to LLNL projects by performing locating jobs to identify and map hidden substructures and buried utilities. Perform complex technical locates where regular decision making is needed to establish or modify guidelines, techniques, and procedures. Coordinate with personnel on projects requiring underground utility locating/concrete scanning services, and anticipate and reconcile support problems, including technical factors affecting critical milestones. Provide routine status updates and --- TITLE: Security System Design and Configuration Specialist - Active Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $129K-$196K POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013562006-security-system-design-and-configuration-specialist-active-clearance-required- EXCERPT: Security System Design and Configuration Specialist - Active Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Security System Design and Configuration Specialists. You will support the Security and Protection (S&P) Program within the Security Organization. The S&P Program is responsible for managing the development, maintenance, and operations support of a physical security system at seven NNSA sites. The scope of work within the S&P Systems Engineering section will include providing technical and operational support for the Enterprise Assets Management (EAM) project, including coordination of physical security system equipment inventory, procurements, vendor and contract activities, distribution, obsolescence planning, and depot inventory support across NNSA enterprise sites. Responsibilities include developing CAD and fabrication drawings, maintaining system design files and configuration documentation for complex security systems, leading hardware distribution efforts, and coordinating with technical staff, customers, procurement personnel, vendors, and site stakeholders to ensure effective execution of project and operational objectives. These positions are in the National Security Engineering Division (NSED) within the --- TITLE: AI/ML Computational Biologist - Postdoctoral Researcher EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: Not disclosed POSTED: 2026-06-12 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013563686-ai-ml-computational-biologist-postdoctoral-researcher EXCERPT: AI/ML Computational Biologist - Postdoctoral Researcher Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We are seeking a Postdoctoral Research Staff Member to conduct research at the intersection of artificial intelligence (AI), machine learning (ML), and computational biology. The successful candidate will apply and adapt state-of-the-art AI/ML approaches to understand host-response dynamics in complex biological systems. Research will focus on integrating large-scale multiomic datasets, including bulk, single-cell, spatial, and multimodal data, from animal models and human cohorts to identify molecular programs associated with disease progression, immune responses, and biological resilience. The candidate will leverage modern machine learning approaches, including deep learning, self-supervised learning, and biological foundation models, to generate biologically meaningful insights from diverse datasets and develop predictive models that generalize across biological systems. This position is in the Integrative Multi-Omics Group and offers the opportunity to work under the guidance of senior scientists on high-dimensional biological data at scale in a collaborative, multidisciplinary environment. This is a two-year term appointment with the possibility of extension to --- TITLE: Senior Guidance, Navigation & Control (GNC) Engineer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013436706-senior-guidance-navigation-control-gnc-engineer- EXCERPT: Senior Guidance, Navigation & Control (GNC) Engineer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Senior Guidance, Navigation & Control (GNC) Engineer to support work on projects and initiatives with a focus on U.S. national security. You will be a member of an engineering team that will provide space mission engineering solutions for both national security and basic science investigations with sponsors including NASA, Department of Energy (DOE), Department of War (DOW) and other government agencies. As an engineering team member, you will work on all aspects of space system hardware - from design and analysis to assembly, integration and test. This position is in the National Security Engineering Division (NSED) within the Engineering Directorate at LLNL and matrixed to the Space Science & Security Program. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job --- TITLE: Administrative Specialist – Active Security Clearance Required EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $33.08-$45.63/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013243426-administrative-specialist-active-security-clearance-required EXCERPT: Administrative Specialist – Active Security Clearance Required Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Administrative Specialist in the Strategic Deterrence Directorate. Working under limited supervision, you will manage a wide range of complex administrative responsibilities with competing priorities, requiring independent judgment and proactive follow-through. You will serve as a key resource for daily operations, solve problems, develop and implement new processes, interpret policy, and provide recommendations. Assignments often demand flexibility, discretion, and mature judgment in handling sensitive issues. This role involves frequent interaction with all levels of personnel, both within the Laboratory and with external organizations, including Federal agencies. This position will be in the Strategic Deterrence (SD) Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options, may vary based on the needs --- TITLE: Cryogenic Systems Engineering Manager EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $227K-$288K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013457466-cryogenic-systems-engineering-manager EXCERPT: Cryogenic Systems Engineering Manager Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Cryogenic Systems Engineering Manager to lead and advance the cryogenic operations and engineering capabilities that support the successful fielding of all NIF targets. You will provide broad technical leadership, strategic direction, and high‑level engineering oversight across cryogenic test systems, target layering operations, and readiness activities for shot campaigns at the National Ignition Facility, which is a round-the-clock operational facility conducting laser fusion experiments. This position resides in the Laser Systems Engineering & Operations (LSEO) Division within the Engineering Directorate and directly supports the NIF & Photon Science (NIF&PS) Directorate. This position requires full-time on-site presence due to the nature of the work. You will Lead teams, programs, or functions with a technical focus, operate under consultative direction, use subject matter expertise and significant team leadership experience, and exercise judgment within established policies to monitor workflow, allocate resources, ensure timely completion of projects, independently determine strategies, and achieve objectives while --- TITLE: C++ Software Developer EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $122K-$186K POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013409116-c-software-developer EXCERPT: C++ Software Developer Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: The Conflict Simulation Laboratory (CSL) of the Global Security Computing Applications Division (GS-CAD) within the Computation Directorate has an opening for a Software Developer specializing in the analysis, design, development, and implementation of C++ scientific software. The CSL develops and deploys the Joint Conflict and Tactical Simulation (JCATS) and JCATS Low Overhead Driver (JLOD) simulation suites to users around the world. The CSL works closely with external partners to enable JCATS and JLOD to interoperate with other simulation models and tools in a federated environment. JCATS and JLOD are tactical simulations that model soldiers, tanks, and other military platforms maneuvering in 3D environments. Line of sight, projectile paths, collision detection, and many other algorithms calculate real time results for military trainers and analysts. You will analyze, design, and implement new functionality using object-oriented, C++ programming and object-oriented algorithms, while balancing performance tradeoffs. CSL simulation products are used for training and analysis by 30 countries, the Departments --- TITLE: Occupational Health Physician EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $282K-$360K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013446826-occupational-health-physician- EXCERPT: Occupational Health Physician Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Occupational Health Physician . You will provide a range of specialized medical services for work-related injuries, examinations, exposures, and emergency care, disability management, and medical review of drug tests. This position will function as a part of an integrated health and safety team and be involved in medical surveillance and certification programs, prevention and control of work-related injuries, worksite visits, and population-based prevention and health improvement. This position is in the Health Services Department (HSD) within the Environment, Safety & Health (ES&H) Directorate. This position requires full-time on-site presence due to the nature of the work. You will Provide physician-level medical services, medically oversee work of other health care professionals and serve as a Medical Review Officer (MRO). Provide medical expertise in all areas of occupational medicine, including emergency medical care to Laboratory employees with a wide range of potential medical and surgical problems. Take steps to stabilize critically ill --- TITLE: Gardener III/Spray Technician EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $38.03-$45.63/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012214636-gardener-iii-spray-technician EXCERPT: Gardener III/Spray Technician Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have multiple openings for Gardener III/Spray Technician . You will be involved in all aspects of interior and exterior pest control and landscape maintenance services across LLNL's sites. Work assignments will vary based on operational needs, seasonality, and weather, and may include periods of frequent pesticide/herbicide application as well as periods focused primarily on general landscape maintenance and installation. This position is in the Facilities Services Division of the Infrastructure Engineering and Operations Department and may require work at Site 300 located in Tracy, California. This position requires full-time on-site presence due to the nature of the work. You will Perform all aspects of pest control across the Laboratory and facility spaces including the application of herbicides and pesticides, and the monitoring, identification, treatment, and prevention of pests. Practice industry guidelines; prepare equipment and mix chemicals using the appropriate treatment and equipment method in compliance with all pesticide rules and regulations. Perform site-wide landscaping and --- TITLE: Tech/Sr. Tech – Mechanical Technologist/Sr. Technologist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990011721796-tech-sr-tech-mechanical-technologist-sr-technologist- EXCERPT: Tech/Sr. Tech – Mechanical Technologist/Sr. Technologist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have openings for Mechanical Technologists and Senior Mechanical Technologists . You will support ongoing programmatic activities, either independently or in collaboration with engineers, scientists, and technical staff. Tasks may include, but are not limited to, the design of fixtures and assemblies, vacuum system setup and maintenance, equipment setup and operation, troubleshooting, hardware modifications, and basic fabrication using common tools and equipment. You will work with various testing equipment, such as digital voltmeters and oscilloscopes. These positions are in the Materials and Non-Destructive Evaluation (MNDE) Section within the Materials Engineering Division (MED). This position requires full-time on-site presence due to the nature of the work. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Provide technical support by applying fundamental knowledge of fabrication, assembly, installation, and --- TITLE: Procurement Policy Analyst EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $138K-$169K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013053837-procurement-policy-analyst EXCERPT: Procurement Policy Analyst Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: The Policy Group of the Procurement Division has an opening for a Procurement Policy Analyst . The Policy Group develops policies and provides oversight in support of approximately $1 billion in annual procurement spend at LLNL. Procurement Policy Analysts provide advice and guidance to contracting officials, research and interpret statutes, regulations and prime contract requirements to apply to procurement policies and specific procurements. Procurement Policy Analysts also conduct compliance reviews, develop and manage procurement document templates, and serve as subject matter experts for wide range of procurements, including commercial products and services, construction, information technology, research and development, and custom fabrications, to name a few. Procurement Policy Analysts are part of a team that manages key components of the Laboratory's purchasing system. This position will report to the Policy Group Leader. You will Apply, interpret, and lead the implementation of procurement policies and procedures. Serve as a senior advisor providing authoritative guidance to contracting officials on --- TITLE: Project Controls Analyst Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $155K-$236K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012441176-project-controls-analyst-lead EXCERPT: Project Controls Analyst Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Project Controls Analyst Lead who will coordinate and ensure the production, integrity, and integration of cost, schedule, and earned value data, while supporting baseline change management and project controls execution across assigned projects. This position is in the Project Management Office (PMO). This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Perform and coordinate project controls execution for assigned projects, including integrating cost, schedule, and earned value data to ensure accuracy, consistency, and compliance with institutional standards. Develop, maintain, and deliver project performance reporting and dashboards by synthesizing data from multiple systems; troubleshoot and resolve data integrity and traceability issues in collaboration with functional partners. Prepare, validate, and explain Estimates at Completion (EACs), variance analyses, and forecasts, translating performance drivers into actionable --- TITLE: Subcontract Analyst - Construction EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $115K-$141K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013243996-subcontract-analyst-construction EXCERPT: Subcontract Analyst - Construction Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Subcontract Analyst- Construction who will solicit, negotiate, award, and administer various types of subcontracts for commercial and non-commercial supplies, and services. You will, in accordance with applicable regulations, negotiate and administer various moderate to high value dollars, fixed price, cost reimbursable, unique and/or unusual complex subcontracts. This position is in the Procurement Department. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Apply and interpret --- TITLE: Electronics Technologist/Senior Electronics Technologist - Pulse Power EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013537046-electronics-technologist-senior-electronics-technologist-pulse-power EXCERPT: Electronics Technologist/Senior Electronics Technologist - Pulse Power Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an Electronics Technologist/Senior Electronics Technologist to support Pulsed Power Research and Development (R&D). In this role, you will support experimental campaigns by helping develop diagnostic sensors and operating high-voltage, high-current, and explosively driven R&D systems. You will also perform console operations for experimental subsystems and diagnostics, including data acquisition and related support functions. You will help solve complex technical problems through regular interactions with colleagues and engineers at Site 200 and off-site locations. This position is in the National Security Engineering Division (NSED) within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Provide general electronic technical support to engineering, scientific, and technical staff --- TITLE: Superblock Technical Coordinator EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $43.55-$63.97/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012023886-superblock-technical-coordinator EXCERPT: Superblock Technical Coordinator Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for a Technical Coordinator. Under general supervision, you will provide technical and administrative support for the acquisition, fabrication, assembly, and maintenance of electronic instrumentation, data acquisition systems, and mechanical equipment and hardware for a range of experiments and projects. You will work in a hands‑on, team‑oriented environment, collaborating with engineers, technologists, designers, machinists, and external vendors to plan, execute, and document technical activities. Work may involve Beryllium, radioactive/fissile materials, other hazardous materials, and classified parts and documents. This position is in the Defense Technologies Engineering Division (DTED), within the engineering directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either the 538.2 or 538.3 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. In this role you will Coordinate and support multiple technical projects and activities with frequently changing --- TITLE: Metallographer/Fractographer - Staff Scientist EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990012688987-metallographer-fractographer-staff-scientist EXCERPT: Metallographer/Fractographer - Staff Scientist Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for an experienced Materials Scientist with experience in metallography and/or fractography. The successful candidate will perform a range of moderate to complex work in sample preparation, microscopy, materials characterization, and failure analysis in support of multiple LLNL programs and principal investigators. Work includes characterizing a wide variety of materials and may involve hazardous materials, including radioactive materials, beryllium, and lead. The role supports timely delivery of high-quality results, clear documentation, and strong customer engagement within a collaborative R&D environment. This position is in Materials Characterization Group within the Materials Science Division (MSD). You will: Perform moderately complex to complex metallography, fractography, and materials characterization, including sample sectioning, mounting, grinding, and polishing, macro- and micro-hardness testing, optical microscopy, and scanning electron microscopy (SEM), including Electron Backscatter Diffraction (EBSD) and Energy-dispersive X-ray spectroscopy (EDS), Wavelength Dispersive X-ray Spectroscopy (WDS) as needed Independently develop methods for preparing and analyzing one-of-a-kind samples, including hazardous and --- TITLE: Administrative Specialist - Manufacturing Engineering Section EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $33.08-$45.63/hr POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013362206-administrative-specialist-manufacturing-engineering-section EXCERPT: Administrative Specialist - Manufacturing Engineering Section Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We are seeking an Administrative Specialist to support the Manufacturing Engineering Section, which includes the 321 Complex machine shops and Engineering's Machinist Apprentice Program. Under limited supervision, you will perform a full range of moderately difficult administrative and task-oriented assignments in a dynamic, fast-paced environment with frequent interruptions and shifting priorities. This position is in the Materials Engineering Division (MED) of the Engineering Directorate. This position offers a hybrid schedule, blending in-person and virtual presence. You will have the flexibility to work from home one or more days per week. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Represent management and serve as a resource for daily routine matters including organizational policies and procedures. Gather information from various sources, compile data, and prepare complex reports --- TITLE: Financial Analyst, Team Leader EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $134K-$164K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013308546-financial-analyst-team-leader EXCERPT: Financial Analyst, Team Leader Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization. Job Description: We are looking for a Senior level Financial Analyst to support Physical and Life Sciences (PLS) Resource Analyst team within the Office of the Chief Financial Officer (OCFO). In this role, you will lead the organization's efforts to develop highly complex budget submissions and financial plans. You will independently perform budget analyses and resource management activities, provide guidance on complex financial and business matters, and oversee both direct and indirect budgets. This position also includes supervisory responsibilities. --- TITLE: Senior Explosives Research Experiment Lead EMPLOYER: Lawrence Livermore National Laboratory LOCATION: Livermore, CA, United States (unspecified) SALARY: $176K-$267K POSTED: 2026-06-10 LEARNING_BUDGET_OFFERED: yes (not source-backed) APPLY_URL: https://jobs.smartrecruiters.com/LLNL/3743990013481986-senior-explosives-research-experiment-lead EXCERPT: Senior Explosives Research Experiment Lead Livermore, CA, United States Company Description: Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description: We have an opening for Explosives Research Experiment Leads . You will lead experimental activities, under limited direction, involving the use of high explosives and other energetic materials, supporting the stewardship of the U.S. nuclear stockpile, conventional weapons design, counterterrorism efforts, and commercial partnerships. This position is within the Strategic Deterrence (SD) Directorate. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options, may vary based on the needs of the team and the organization. This position will be filled at either level depending on your knowledge, skills and experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. In this role, you will Plan, execute, --- [PASTE YOUR RESUME OR SKILLS HERE]