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45 software simulation engineer jobs at 27 companies in Virginia

2mo
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Senior Software Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
By Light Professional IT Services
By Light Professional IT Services: Provides IT systems engineering and cybersecurity solutions for federal agencies.
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
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1mo
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Simulation Developer
Quantico, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
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
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2mo
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Naval Software Simulation Developer
Dahlgren, Virginia, United States
$110k-$130k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOEBachelor's degree or higher in CS/CE/Math; strong CM knowledge; 5 years software integration experience; active SECRET clearance.
GIT, UNIX, Linux, Windows, MS Office
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2mo
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Simulation Software Engineer
Hampton, Virginia, United States
OnsiteFull Time
Metis Technology Solutions
Metis Technology Solutions: Provides advanced engineering and technical services to government agencies.
1+ YOEBachelor's in CS, math, aerospace or mechanical engineering; 1-5 years in OOD/C++ for real-time simulations; Linux C++ experience; OpenGL/OpenFlight/GTK 3.0 beneficial; strong math/physics background; excellent communication; US citizen or permanent resident.
C++, Linux, Rational Rose, Jira, Agile software development, Windows, OpenGL, OpenFlight, GTK 3.0
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4w
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Visualization & Simulation Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
FTS International
FTS International: Providing engineering and mission support to the US Intelligence Community.
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
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6d
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Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yr OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, C#, NetCDF, HDF5, WRF, Unity3D, Google Protocol Buffers (Protobuf), Android Studio, Android Team Awareness Kit (ATAK), AWS GovCloud, AES-256, TLS, Cursor-on-Target, DIS, HLA
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1d
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Software Engineer, II - Simulation
Ann Arbor or Blacksburg
$139k-$167k/yr OnsiteFull Time
Torc Robotics
Torc Robotics: Software for autonomous heavy-duty trucking.
1+ YOEDegree in CS/EE/Robotics or equivalent with multi-year experience, strong simulation-based testing knowledge, SDLC familiarity, test scenario development, mentoring ability; C++/Python/ROS a plus.
C++, Python, ROS
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2w
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Software Engineer - Weapon Launchers & Simulation
Manassas, Virginia, United States
$91k-$101k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
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
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2w
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Director – Modeling & Simulation Software
El Segundo or Chantilly
$168k-$252k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's in STEM, 10+ years engineering/scientific experience, track record of technical achievement, experience with C++ or Python, leadership and team-building experience, ability to obtain Top Secret/SCI clearance, occasional domestic travel (<20%).
C++, Python, Java, Go, Rust
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2w
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E01-J01 Software Engineer- Physical Modeling & Simulation Engineer
Fort Eustis, Virginia, United States
$120k-$140k/yr OnsiteFull Time
Aether Aerospace
Aether Aerospace: Defense technology platform providing engineering and manufacturing solutions.
Active Secret clearance, Bachelor's in a technical discipline, strong experience with AFSIM and related M&S tools, skilled in C-Sharp and C++, defense/aerospace analytical experience, and ability to plan and communicate modeling & simulation studies.
AFSIM, MACE, ATCOM, SAINT, ECHO, BlueMax, DREAM, HIVE, VBMS, C-Sharp, C++
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2mo
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Software Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
Bachelor's in CS/CompE or related; math/statistics; software for simulation; TS/SCI clearance; full software lifecycle; C++/Java; Python or R.
C++, Java, Python, R, Docker, Kubernetes, Git, CI/CD, AFSIM, NGTS, ITASE
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2mo
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SOFTWARE DEVELOPMENT ENGINEER
Newport News, Virginia, United States
$69k-$87k/yr OnsiteFull Time
HII
HIINYSE: HII: Designs and builds military ships and advanced defense technologies.
0+ YOEBachelor's degree or equivalent in modeling/simulation or software development; 0+ years relevant experience; proficiency in modeling/simulation, Agile methods, and software development; U.S. citizenship required.
Java, C++, TypeScript, HTML, CSS, Angular, Bootstrap, D3.js, SQL, NoSQL, Node, Unity, C#
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3w
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Junior Software Engineer (Modeling & Simulation) - TS/SCI
Chantilly, Virginia, United States
OnsiteFull Time
TENICA
TENICA: Provides national security and defense services to government agencies.
Active TS/SCI clearance with polygraph required; proficiency in an OOP language (Python, Java, or C++), Git, and databases; full‑stack development and rapid prototyping experience; strong problem‑solving and collaboration skills.
Python, Java, C++, Git, Docker, Kubernetes, NoSQL
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1mo
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Software Engineer - Midlevel
Dahlgren, Virginia, United States
$120k-$140k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
5+ YOEUS citizen eligible for Secret clearance, BS in CS/CE/engineering, 5+ years experience, C++ (C11), modeling & simulation, multi-threading, QA/testing, version control, IDEs, Agile, mentoring skills.
C++, POSIX, OpenMP, MPI, SSE, GPU, Microsoft Visual Studio, NetBeans, Eclipse, Git, Subversion, Mercurial, Jira, Bugzilla, MATLAB, Simulink, Perl, Python, BASH, NGTS, AFSIM, ITASE, DIS, HLA, TENA
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1mo
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Principal Software Engineer - Advanced Simulation & Training Systems (Onsite)
Sterling, Virginia, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive transferable U.S. government security clearance (Secret), U.S. citizenship, STEM degree with 8+ years (or advanced degree with 5+ years), experience with C++, agile development, multi-threaded debugging, and customer travel.
C++, ARINC 429, ARINC 610, MIL-STD-1553, Windows, Linux, Visual Studio, DevSecOps, STL, Python, Perl, GIT, SVN, ClearCase, JIRA, Confluence, Crucible, GitLab CI/CD, Electronic Medical Records (EMR)
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1mo
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Backend Software Engineer - Simulations
Arlington or New York City or Seattle or Arlington
OnsiteFull Time
Rune Technologies
Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.
4+ YOE4+ years software engineering; production-grade software; Python/C++/Go; math/physics background; strong ownership.
Python, C++, Go, AWS, Kubernetes, Linux
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2d
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEU.S. citizen with active DoD Top-Secret clearance (ability to obtain SCI/SAP), 5+ years AI engineering experience (level dependent), expertise in ML/RL/SL, strong software engineering and simulation experience.
Python, JAX, PyTorch, C++, CUDA, MATLAB/Simulink, Windows, Linux
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2w
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Software Developer
King George or Dahlgren
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
3+ YOEU.S. citizen able to obtain Secret clearance, BS in CS/CE or equivalent, 3+ years C++ (C++11+) development, experience with simulation environments (NGTS/AFSIM/ITASE), Git, CMake, Google Test, and MS Office.
C++, NGTS, AFSIM, Integrated Threat Analysis and Simulation Environment (ITASE), Git, CMake, Google Test, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Linux, Windows
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3mo
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Software Engineer (Entry-Senior) - Navy Training & Simulation Systems - 28027 (Virginia Beach, VA, Virginia, United States)
Virginia Beach, Virginia, United States
$70k-$145k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
Software engineers across entry to senior levels; experience with C++/Java, Linux; DoD secret clearance; U.S. citizen; Navy training systems experience preferred.
C++, Java, Linux, ActiveMQ, JAWS, Jira, GitLab, CI/CD, virtualization, container tools
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SATCOM Software Engineer, Senior Advisor
Chantilly, Virginia, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
7+ YOETS/SCI with poly required. 7+ years (PhD) / 10+ years (MS) / 12+ years (BS) experience. Experience with SATCOM and weapons systems, TT&C, telemetry, modeling & simulation, data analysis, and SATCOM control/monitoring software; strong briefings and stakeholder engagement skills.
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