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
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
1w
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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
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
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
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
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
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
2mo
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Modeling and Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOE2-10 years of relevant experience; BS in STEM; TS/SCI with CI Poly; experience in space-related analysis; programming in C++, Python, R, SQL, MATLAB; able to communicate findings.
C++, Python, R, SQL, PostgreSQL, MATLAB, Linux, STK, VBA
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
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
3w
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Visualization & Simulation Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEUS citizen able to obtain TS/SCI with polygraph; BS in STEM (engineering discipline); 1+ years relevant experience; basic JavaScript and frontend, familiarity with Python, 3D math, and client-server exposure.
Three.js, Python, JavaScript, Git
1mo
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Modeling & Simulation Systems Engineer (Engineer Sys Mod Sim 3) - Remote (Colorado Springs, CO, Remote, United States)
Colorado Springs or Reston or Dayton or Omaha or Albuquerque
$97k-$138k/yr RemoteFull Time
5+ YOEBachelor's in engineering/OR math, 5-10 years exp, MBSE/SysML, coding (Python/C++/MATLAB), Cameo Systems Modeler, AFSIM, SCI eligible, travel ~20%
Cameo Systems Modeler, AFSIM, Python, C++, MATLAB, SysML
1w
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Software Engineer - Weapon Launchers & Simulation
Manassas, Virginia, United States
$91k-$101k/yr OnsiteFull Time
2+ YOEBachelor's in Software Engineering or related STEM plus 2 years experience (or Master's plus 6 months); DoD Secret clearance obtainable; US citizenship; experience with Linux, Bash, Java, C/C++, React, TypeScript, and networking preferred.
Linux, Bash, Networking Switches, Java, C, C++, React, Typescript
1mo
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Aerospace Modeling & Simulation Analyst (TS/SCI)
Herndon, Virginia, United States
$90k-$132k/yr OnsiteFull Time
U.S. citizenship and active TS/SCI clearance required; Bachelor’s in engineering, math, physics, or CS; onsite work; experience with Python and Microsoft Excel preferred; strong communication and analytic skills.
Python, Microsoft Excel
1mo
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(On-site) Computational Physicist/Simulation Engineer - Department of Radiology
Morgantown or Keyser or Beckley
OnsiteFull Time
5+ YOEBachelor's in CS, CE, Physics; 5+ years in C++ and Python; GEANT4/MCNP/GATE experience preferred; healthcare imaging knowledge beneficial.
C++, Python, Linux, Mac, Windows, GEANT4, MCNP, GATE, Data Acquisition (DAQ)
1mo
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Aerospace Modeling & Simulation Analyst (TS/SCI)
Herndon, Virginia, United States
$90k-$132k/yr OnsiteFull Time
U.S. citizen with active TS/SCI clearance; Bachelor’s in engineering, math, physics, or computer science; onsite work required. Experience in modeling/simulation, astrodynamics or remote sensing and ability to develop tools/scripts (Python/Excel) preferred.
Python, Microsoft Excel
1w
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Electrical Engineer Level 3 - Simulation Hardware - Sterling
Sterling, Virginia, United States
$114k-$171k/yr OnsiteFull Time
5+ YOETS/SCI clearance required; bachelor's in STEM with 5 years experience or master's with 3 years; hardware/rack/panel/cable design and troubleshooting; familiarity with high-speed interfaces and lab test equipment; technical leadership experience.
Visio, CREO, Zuken, Microsoft Office Suite, Python, National Instruments, TCP/IP, SPACEWIRE, LVDS, RS422/485, 1553
1w
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Electrical Engineer Level 3 - Simulation Hardware - Sterling
Sterling, Virginia, United States
$114k-$171k/yr OnsiteFull Time
3+ YOETop Secret clearance with SCI eligibility, STEM degree (BS or MS) with relevant experience, hardware design and rack/panel/cable design proficiency, lab test equipment use, familiarity with high-speed serial protocols, and technical leadership.
Visio, CREO, Zuken, Microsoft Office Suite, Python, National Instruments, STOL scripting, Electronic O-Scopes, DMM
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