Combat Simulation Systems Analyst
The American Physical Society, Livermore, CA, United States
Systems Analyst
Join Lawrence Livermore National Laboratory (LLNL) as a Systems Analyst in the Computational Engineering Division. You will work with multidisciplinary teams to support national security mission areas using tools such as AFSIM and JCATS.
Responsibilities
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 or suggest alternatives.
Contribute to research and analysis addressing program and sponsor requirements.
Utilize tools such as AFSIM or JCATS to model and analyze operational scenarios.
Communicate with, deliver results to, and otherwise engage with project managers and other internal stakeholders effectively.
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 Responsibilities for 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 utility for specified projects and sponsors.
Modify, extend, adapt, or enhance existing combat simulation tools such as AFSIM or JCATS.
Balance multiple projects/tasks and priorities of customers and partners to meet deadlines while working independently within the scope of the assignment.
Qualifications
Ability to secure and maintain a U.S. DOE Q/SCI-level security clearance; U.S. citizenship required.
Bachelor’s degree in computer science, computer engineering, mathematics, operations research, or related field, or equivalent combination of education and experience.
Experience with 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 technical information to a variety of audiences.
Ability to travel.
Additional Qualifications for SES.2 level
Master’s degree in computer science, computer engineering, mathematics, operations research, or related field, or equivalent combination of education and experience.
Comprehensive experience with programming using Python, C++, or UNIX shell script; experience modifying, extending, 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 post‑production data processing, prepare and finalize tailored reports.
Desired Qualifications
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
$121,830 - $185,544 Annually
$121,830 - $154,500 Annually for the SES.1 level
$146,340 - $185,544 Annually for the SES.2 level
Position Information
This is a Career Indefinite position, open to Lab employees and external candidates.
Benefits
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)
Our values - visit https://www.llnl.gov/inclusion/our-values
Equal Employment Opportunity
We are an equal opportunity employer that is committed to providing a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.
Reasonable Accommodation
Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.
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Join Lawrence Livermore National Laboratory (LLNL) as a Systems Analyst in the Computational Engineering Division. You will work with multidisciplinary teams to support national security mission areas using tools such as AFSIM and JCATS.
Responsibilities
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 or suggest alternatives.
Contribute to research and analysis addressing program and sponsor requirements.
Utilize tools such as AFSIM or JCATS to model and analyze operational scenarios.
Communicate with, deliver results to, and otherwise engage with project managers and other internal stakeholders effectively.
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 Responsibilities for 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 utility for specified projects and sponsors.
Modify, extend, adapt, or enhance existing combat simulation tools such as AFSIM or JCATS.
Balance multiple projects/tasks and priorities of customers and partners to meet deadlines while working independently within the scope of the assignment.
Qualifications
Ability to secure and maintain a U.S. DOE Q/SCI-level security clearance; U.S. citizenship required.
Bachelor’s degree in computer science, computer engineering, mathematics, operations research, or related field, or equivalent combination of education and experience.
Experience with 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 technical information to a variety of audiences.
Ability to travel.
Additional Qualifications for SES.2 level
Master’s degree in computer science, computer engineering, mathematics, operations research, or related field, or equivalent combination of education and experience.
Comprehensive experience with programming using Python, C++, or UNIX shell script; experience modifying, extending, 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 post‑production data processing, prepare and finalize tailored reports.
Desired Qualifications
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
$121,830 - $185,544 Annually
$121,830 - $154,500 Annually for the SES.1 level
$146,340 - $185,544 Annually for the SES.2 level
Position Information
This is a Career Indefinite position, open to Lab employees and external candidates.
Benefits
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)
Our values - visit https://www.llnl.gov/inclusion/our-values
Equal Employment Opportunity
We are an equal opportunity employer that is committed to providing a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.
Reasonable Accommodation
Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.
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