Simulation Engineer
Listed on 2026-02-27
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Engineering
Systems Engineer, Software Engineer
Description
Job Description
The Undersea Systems Division (USD) at Leidos currently has an opening for a Simulation Engineer to work in our San Diego, CA office. The USD operates at the leading edge of technology by designing, demonstrating, and deploying solutions to solve complex remote sensing problems for our Department of Defense customers. This is an exciting opportunity to contribute to system development and to gain experience for an individual with interest in maritime remote sensing, physics, sensors, system prototyping, algorithm and software development, statistics, machine learning, and artificial intelligence.
Our focus is to develop capabilities and deployable prototypes and transition those to our Defense business segment.
Primary Responsibilities.
The candidate shall perform:
Design, develop, evaluate, validate, verify, analyze multi-domain system of systems simulations.
Design, build, and maintain efficient, reusable, and reliable codes and models
Collaborate with teams of engineers and developers, participating in regular code reviews
Perform integration testing as well as collaborating with other internal teams
Communicate with project customers or end users to fully understand, plan, and implement feedback and feature requests
Basic Qualifications.
US Citizenship is required. Ability to obtain a TS clearance required.
Bachelor’s with 5+ years of experience or Master’s with 1-3 years of experience.
Must have a degree in Physics, Aerospace, or a related field
Experience with system of systems modeling and simulation
Preferred Qualifications.
Working knowledge of MATLAB, C/C++, Python
Knowledge of Scrum/Agile development framework.
Experience with implementing and maintaining unit testing.
Proficiency with Git or comparable version control system.
Strong math and numerical analysis background
Knowledgeable/background in astrodynamics
Experience in GNC (Guidance, Navigation, and Control) algorithms and theory.
Knowledge of detection, tracking, and discrimination algorithms
Experience with orbital mechanics and/or astrodynamics desirable.
SUBSEAMSS
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:February 26, 2026For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .
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