Combat Simulation Systems Analyst

We have multiple openings for a Systems Analyst to join our multidisciplinary team of applied modeling and simulation professionals. Working closely with operations researchers weapon scientists intelligence analysts code developers and other subject matter experts you will support various national security mission areas. You will use tools such as the Advanced Framework for Simulation Integration and Modeling (AFSIM) software to assess how military technologies and systems perform for varied missions and in varied operational environments. You will apply a combination of technical depth and breadth critical thinking and design principles to test refine and postulate potential alternatives to achieve desired mission outcomes. These positions are in the Computational Engineering Division (CED) within the Engineering Directorate and will support LLNL programs in the Strategic Deterrence Global Security and National Ignition Facility Principal Associate Directorates.

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

• Collaborate with scientists and researchers in a multidisciplinary team environment on the application of key technologies to military operations.
• Leverage AFSIM and related modeling and simulation tools to analyze the application of key technologies to identified missions identify and evaluate potential courses of action determine their operational utility and/or suggest possible alternatives.
• Contribute to research and analysis addressing program and sponsor requirements.
• Utilize tools such as AFSIM or the Joint Conflict and Tactical Simulation (JCATS) programs to model and analyze operational scenarios.
• Communicate with deliver results to and otherwise engage with project managers and other internal stakeholders as appropriate in a concise and effective way.
• Document modeling and simulation methods assumptions results and insights in reports and presentations.
• Travel as required to support project managers in their programmatic sponsor interactions.
• Perform other duties as assigned.

Additional job responsibilities at the SES.2 level 

• Contribute to and actively participate in the conception design and execution of original research addressing program and sponsor requirements.
• Provide input on and recommend enhancements to modeling and simulation technologies approaches applications and/or utility for specified projects and sponsors.
• Modify extend adapt or enhance existing combat simulation tools such as AFSIM or the Joint Conflict and Tactical Simulation (JCATS) programs.
• Balance multiple projects/tasks and priorities of customers and partners to ensure deadlines are met while working independently with limited direction within the scope of the assignment.

Qualifications :

• Ability to secure and maintain a U.S. DOE Q/SCI-level security clearance which requires U.S. citizenship.
• Bachelors degree in computer science computer engineering mathematics operations research or a related field and/or experience in modeling military planning and operations or the equivalent combination of education and related experience.
• Experience with using conflict simulation tools such as AFSIM or JCATS to provide analytic insight.
• Ability to approach difficult problems with enthusiasm and creativity.
• Experience working with a team of scientists engineers and project managers to conduct system analysis studies.
• Experience with one or more of the following programming tools: Python R MATLAB Java C or equivalent.
• Proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information to a variety of audiences.
• Ability to travel.

Additional qualifications at the SES.2 level 

• Masters degree in computer science computer engineering mathematics operations research or a related field and/or experience in modeling military planning and operations or the equivalent combination of education and related experience.
• Comprehensive experience with programming using Python C or UNIX shell script. Experience in modifying extending adapting or enhancing existing combat simulation tools such as AFSIM or JCATS.
• Experience effectively managing concurrent technical tasks with conflicting priorities while working independently under limited direction.
• Ability to independently develop and execute analyses engage in any needed post-production data processing prepare and finalize tailored reports.

Qualifications We Desire

• Relevant experience working with the military operational community substantive claims to military domain knowledge or equivalent claim to subject matter expertise with respect to the national defense enterprise.
• Experience with reinforcement learning application.

Pay Range

$121830 - $185544 Annually

$121830 - $154500 Annually for the SES.1 level

$146340 - $185544 Annually for the SES.2 level

This is the lowest to highest salary in good faith we would pay for this role at the time of this posting. Pay will not be below any applicable local minimum wage. An employees position within the salary range will be based on several factors including but not limited to specific competencies relevant education qualifications certifications experience skills seniority geographic location performance and business or organizational needs.

Additional Information :

#LI-Hybrid

Position Information

This is a Career Indefinite position open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
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  This position requires a Department of Energy (DOE) Q-level clearance.  If you are selected we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. 

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time