Lawrence Livermore National Laboratory jobs

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

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)

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

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

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

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

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

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

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,

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

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

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

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

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

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

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,

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

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

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

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

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

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

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

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