2mo
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Simulation Engineer
Manassas, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering or related field; 2+ years in simulation development or systems integration; MATLAB/Simulink; RTOS experience; hardware interface; FAA/CAA experience a plus; US citizen or permanent resident.
MATLAB, Simulink, RTOS
3mo
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Training Simulation Engineer V
Rockville or Frederick
$125k-$208k/yr OnsiteFull Time
20+ YOEBachelor's in mechanical/nuclear/electrical engineering; 20+ years in operator training simulator development; thermal-hydraulic simulation; strong debugging; nuclear plant operations knowledge.
Git, Simulation software, Debugging tools
2mo
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Founding Simulation Engineer
Washington, District of Columbia, United States
OnsiteFull Time
BS/MS in Mechanical, Aerospace, or Computational Eng; CAD and multi-physics simulation experience; build simulations that inform decisions.
CAD, FEA, CFD, Hydrodynamics, Multi-physics Simulation
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
3mo
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Electromagnetic Simulation Engineer
Chantilly, Virginia, United States
$129k-$250k/yr OnsiteFull Time
8+ YOEMaster's degree in Electrical Engineering; minimum 8 years relevant experience; TS/SCI security clearance; U.S. citizenship; strong EM/RF modeling and simulation skills.
Ansys HFSS, CST Microwave Studio, GRASP, Keysight ADS, Microwave Office, MATLAB, Python, Vector Network Analyzers, Spectrum Analyzers, Power Meters
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
6d
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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
2d
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LVC Simulation Integration Engineer
Sunnyvale or Washington or San Diego or Fort Walton Beach or Ann Arbor or London or Stuttgart or Munich or Stockholm or Bangalore or Seoul or Tokyo
$140k-$160k/yr OnsiteFull Time
3+ YOE3+ years C++ experience, mastery of simulation interoperability (DIS/HLA/DSEEP), knowledge of DDS/ZeroMQ/Kafka/Redis/protobuf, containerized Linux development, US citizenship and eligibility for Secret clearance.
C++ 2017+, Python 3.10+, DDS, ZeroMQ, Kafka, Redis, protobuf, AFSIM, NGTS, Docker, RHEL, Ubuntu, git, Visual Studio Code, GitLab, SonarQube, Artifactory, Azure Container registry
3mo
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Modeling & Simulation Engineer - SLCM-N
Rockville, Maryland, United States
$97k-$165k/yr HybridFull Time
4+ YOEBachelor's degree +4 years (or equivalent) experience; experience in system simulation, proficiency in C++, Python, Java, and/or MATLAB; experience with Simulink or HLA; systems engineering, program management, enterprise IT knowledge, and strong documentation and interpersonal skills.
C++, Python, Java, MATLAB, Simulink, HLA, Microsoft Visio, SysML, Cameo Systems Modeler
2mo
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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
1w
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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
3mo
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Lead Modeling and Simulation Engineer (Level III)
Annapolis Junction, Maryland, United States
$180k-$220k/yr OnsiteFull Time
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
8+ YOE3+ MgmtTop Secret/SCI with Polygraph clearance; 8+ years in modeling and simulation or related fields; 3+ years leading technical teams; experience designing and operating complex networked simulation environments; strong communication skills.
Networking, Virtualization, Simulation platforms, Lab environments, Cloud infrastructure
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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Modeling and Simulation Engineer
Alexandria, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree; 3+ years in systems engineering, modeling/simulation, data analysis; TS/SCI clearance; onsite work.
AFSIM, SysML, MBSE, Modeling and Simulation, Python, MATLAB
1mo
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Senior Modeling & Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
15+ YOE15 years experience (10+ years in systems engineering within M&S), bachelor\u0002s in engineering/physics, experience with AFSIM and CAMEO, TS/SCI clearance, strong systems engineering, project management, and cross-disciplinary collaboration skills.
AFSIM, CAMEO
1mo
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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
1mo
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Modeling and Simulation Systems Engineer, Senior
Alexandria, Virginia, United States
$99k-$225k/yr OnsiteFull Time
8+ YOETS/SCI required. Bachelor's in Systems/Applied Systems Engineering or Engineering Management + 8+ years experience (or 15+ years in lieu). Experience with physics-based modeling & simulation, digital engineering, lifecycle management, leading multidisciplinary teams, and developing reports/briefings.
DOORS, Jira, digital twins, CAMEO, SysML, Innoslate, STK, MATLAB
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
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