1mo
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Simulation Developer
Quantico, Virginia, United States
OnsiteFull Time
7+ YOEBachelor's in CS or related (or 10 years experience), 7+ years simulation/game-focused software development, proficiency in C++, C#, Python or Java, experience with simulation engines (AFSIM, OneSAF, Unity, Unreal Engine, etc.), and active TS/SCI clearance.
C++, C#, Python, Java, AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, Arena, SQL
1mo
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Modeling & Simulation Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$140k-$190k/yr OnsiteFull Time
5+ YOEBachelor's degree in a quantitative field, 5+ years supporting defense or advanced tech programs, proficiency in Python and MATLAB, experience with mission-level simulations (AFSIM, ESAMS, Brawler, Ansys STK), statistical analysis, Linux, and eligibility for Top Secret/SCI clearance.
AFSIM, ESAMS, Brawler, Ansys STK, Python, MATLAB, Pandas, Polars, NumPy, SciPy, Scikit-Learn, Matplotlib, Seaborn, CuPy, PyTorch, Linux, MAK VR-Forces, SIMDIS, PX4, X-Plane, Gazebo, NVIDIA Omniverse
3w
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Modeling & Simulation Engineer (Systems Engineer, Sr)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEBachelor's in STEM preferred, 1+ years building physics‑based models or simulation engines, experience with MBSE/SysML, numerical methods, V&V, and cross‑disciplinary collaboration.
MATLAB/Simulink, Python, NumPy, SciPy, JAX, C++, STK, GMAT, Orekit, Trick, Modelica, CUDA, Vulkan, OpenCL, REST, gRPC, GraphQL, Three.js, WebGL, React Three Fiber, CesiumJS, Cameo, Teamwork Cloud, Jama, DOORS, MBSE, SysML
3mo
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Modeling, Analysis & Simulation (MA&S) Engineer
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
15+ YOEPublic Trust Clearance; 15+ yrs in modeling/simulation; BS in systems/CS/AE/Math/Physics; MA&S lead experience; MBSE with SysML/UAF; AI/ML in engineering; strong simulation methods; Python/MATLAB/Java.
Cameo, Sparx EA, MATLAB, Simulink, Rhapsody, Python, Java, AnyLogic, Arena, AFSIM, STK
3w
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SLCM-N Modeling & Simulation Engineer
Rockville or Huntsville or Maryland or Alabama
$133k-$226k/yr OnsiteFull Time
8+ YOEBachelor's degree plus 8 years related experience (or equivalent). Experience developing and integrating models/simulations, proficiency in C++, Python, MATLAB, Simulink/HLA, Git, and systems engineering knowledge; must be U.S. person and eligible for Secret clearance.
C++, Python, MATLAB, Simulink, HLA, Git, Visio, SysML, Cameo systems modeler
1mo
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Senior Modeling and Simulation Engineer
Alexandria, Virginia, United States
OnsiteFull Time
6+ YOE6+ years mission-level modeling & simulation experience, Bachelor’s in engineering/math/CS/OR, U.S. citizenship, Top Secret/SCI clearance, experience with AFSIM/SUPPRESSOR/EADSIM, OOP, data analytics, statistics, and customer-facing briefings.
AFSIM, SUPPRESSOR, EADSIM
1mo
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Senior Modeling and Simulation Engineer
Alexandria, Virginia, United States
OnsiteFull Time
6+ YOEU.S. citizen with 6+ years mission-level modeling & simulation experience, Bachelor's in engineering/math/CS/OR, current Top Secret/SCI (SSBI or T5/T5R within 6 years), EM/OO programming and analytics experience, customer-facing presentation skills.
AFSIM, SUPPRESSOR, EADSIM
2mo
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Sr. GNC Modeling and Simulation Engineer
Washington, District of Columbia, United States
HybridFull Time
2+ YOE2–5 years of engineering simulation experience; MATLAB/Simulink proficiency; 6-DOF simulation experience; Python or MATLAB scripting; U.S. citizen or permanent resident; strong writing skills.
MATLAB, Simulink, Python
2mo
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Senior Software Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBS in Engineering or Computer Science; 5+ years software engineering experience; proficient in C, C++, FORTRAN, Ada; Visual Studio; GCC; Makefiles; Windows/UNIX/Linux; object-oriented design; knowledge of flight simulation and real-time programming; ability to obtain Secret DOD clearance.
C, C++, FORTRAN, Ada, Visual Studio, GCC, Makefiles, Windows, Unix/Linux
1w
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Modeling, Simulation & Analysis Engineer
Chantilly, Virginia, United States
$125k-$162k/yr OnsiteFull Time
2+ YOETS/SCI with polygraph, B.S. in engineering/STEM required, 2+ years relevant experience, experience with C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, STK; strong engineering analysis and communication skills.
C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, STK, SysML, Tableau
1mo
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Modeling and Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in a technical field plus 5+ years experience, active TS/SCI with Polygraph, experience in engineering analysis/mission operations, strong communication, and familiarity with M&S tools (e.g., C++, Python, MATLAB).
C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, STK
3mo
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Modeling, Analysis & Simulation (MA&S) Engineer
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
15+ YOEPublic Trust Clearance; 15+ years in modeling/simulation/MBSE; BS in Systems Engineering, CS, AE, Math, Physics or related field; MA&S lead experience; MBSE with SysML/UAF; AI/ML in engineering workflows; strong simulation methods; programming in Python/ MATLAB/ Java; knowledge of federal security frameworks; cross-functional leadership.
SysML, UAF, Cameo, Sparx EA, MATLAB/Simulink, Rhapsody, Python, Java, AnyLogic, Arena, AFSIM, STK, ML/AI development tools
4d
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Modeling & Simulation Engineer
Arlington, Virginia, United States
$100k-$140k/yr OnsiteFull Time
3+ YOEBachelor's degree, 3+ years experience, 1+ year analytical experience, active TS/SCI clearance, familiarity with study planning/execution, and desire to expand modeling and simulation expertise.
STORM, SWIFT
2d
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Modeling and Simulation Engineer
Chantilly, Virginia, United States
$121k-$151k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph required; Bachelor's degree required (Master's preferred); 5+ years IC experience; expertise in satellite/SIGINT analysis and Matlab/Python; STK and architecture assessment experience.
STK, SOAP, MATLAB, Python
1mo
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Modeling and Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in a relevant technical field plus 5+ years experience, active TS/SCI with Polygraph, experience with C++, Python, R, SQL/PostgreSQL, MATLAB, STK, strong communication and writing skills.
C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, STK
1w
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Lead System Integrator/Modeling & Simulation Engineer - Department of War
Chantilly, Virginia, United States
$150k-$200k/yr OnsiteFull Time
15+ YOE15 years total experience with 10+ years systems engineering in modeling & simulation, bachelor\u0002s in engineering/physics, experience with AFSIM and CAMEO, TS/SCI clearance, DAWIA certifications preferred.
AFSIM, CAMEO
4d
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Graphics Simulation Software Engineer
Dulles, Virginia, United States
$114k-$171k/yr OnsiteFull Time
5+ YOEActive U.S. Top-Secret clearance and U.S. citizenship required; expertise in 3D graphics (OpenSceneGraph/OpenGL/Vulkan), C/C++ and Python; experience building models and simulations; ability to develop on Windows and Linux.
C, C++, Python, Blender, OpenSceneGraph, OpenGL, Vulkan, Jenkins, Jira, Bitbucket, GitLab, Ansible, Docker, Windows, Linux
2mo
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Lead Modeling & Simulation Engineer- ICED-T- July 2025
Fort Meade, Maryland, United States
OnsiteFull Time
3+ YOE3+ MgmtLead Modeling & Simulation engineer with network design and simulation, strong networking, project management, and customer service skills; degree in CS/Engineering; 3+ years management; Active Secret preferred.
Networking, Virtualization, Industrial Control Systems, Cyber Simulation Tools
1mo
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Modeling & Simulation Analyst/Developer
Tysons, Virginia, United States
HybridFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years performing complex data analytics or modeling, experience with modeling & simulation tools, DoD customer engagement, ability to obtain Secret clearance, U.S. citizenship required.
RAPTR, AWS, Azure, GCP, FedRAMP, CMMC, IL4, IL5
1mo
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Systems Engineer - Modeling & Simulation
Fort Belvoir, Virginia, United States
$177k-$276k/yr OnsiteFull Time
10+ YOEBachelor's in a STEM field (advanced degree preferred), 10+ years systems engineering with Modeling & Simulation, weapons effects and vulnerability analysis experience, Top Secret/SCI clearance required.
JMEM, AMSAA, Cameo, DOORS
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