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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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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
3d
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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
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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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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
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+ 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
3mo
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Modeling and Simulation Integration Engineer
Laurel, Maryland, United States
$85k-$195k/yr OnsiteFull Time
1+ YOEBS in a technical field; 1+ years missile/aerospace analysis; experience with MATLAB/Python; experience running simulations; ability to obtain Interim Secret clearance and eventual Top Secret clearance; U.S. citizenship.
Python, MATLAB, Simulink, C, C++, Fortran, AFSIM, ESAMS, SHAZAM, Vulnerability Toolkit, DoE tools
1mo
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Modeling and Simulation Systems Engineer, Senior
Alexandria or United States
$99k-$225k/yr OnsiteFull Time
8+ YOEExperience developing physics-based modeling & simulation and digital engineering capabilities, overseeing multidisciplinary teams, managing S&T technology life cycles, producing briefings/reports, translating requirements into performance criteria; TS/SCI required; Bachelor's in systems engineering or 8+ years experience (15+ years without degree)...
DOORS, Jira, digital twins, CAMEO, SysML, Innoslate, STK, MATLAB
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
3w
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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
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Modeling & Simulation Analyst/Developer
Tysons, Virginia, United States
HybridFull Time
5+ YOEBachelor's in CS/ORSA/Data Science or equivalent, 5+ years building AI/ML or physics-based models, experience with modeling & simulation tools and briefing DoD customers, ability to obtain Secret clearance (U.S. citizens).
RAPTR, AWS, Azure, GCP
1mo
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Senior Modeling and Simulation Engineer
Reston, Virginia, United States
OnsiteFull Time
10+ YOEAble to obtain Public Trust clearance; Bachelor's in a technical field; 10+ years M&S experience; proficiency with MATLAB/Simulink, AnyLogic, Arena, OPNET; parametric testing and automation; strong technical writing and stakeholder coordination.
MATLAB/Simulink, AnyLogic, Arena, OPNET, HL7, FHIR, Agile, SAFe, HPC
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