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C++ Software Developer

Lawrence Livermore National Laboratory - Livermore, CA, United States

Posted Jun 10, 2026

Benefits

Parental leave
Not verified
Non-birth-parent leave
Not verified
Family-building benefits
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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Verification
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Salary
$122K-$186K From the posting source
401(k) match
Not verified

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Market context

U.S. role benchmark (BLS OEWS)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

32% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering From the posting source
Seniority
Mid From the posting source

Schedule

Shift type
Not verified
Weekend work
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Application

Cover letter
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Assessment
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Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

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

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