3mo
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C/C++ Software Engineer
McLean, Virginia, United States
$97k-$162k/yr OnsiteFull Time
8+ YOEU.S. citizen; secret clearance; Bachelor's in CS/Engineering/Math/Physics (Master’s preferred); 8+ years in real-time, Linux C/C++ systems; sensor data processing and radar/surveillance experience.
C/C++, Linux, Perforce, Git, Radar, Sensor Fusion, GIS
3mo
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C++ Engineer
Lancaster or Moscow or United States
HybridFull Time
3+ YOEMid-level C++ experience; knowledge of C#, Rust, and JScript; SQL/PostgreSQL; familiarity with Windows tech like COM/MFC; experience refactoring large codebases.
C++, C#, Rust, JScript, SQL, PostgreSQL, COM, MFC, Windows
1w
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Senior C++ Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
Deep C and C++ fundamentals, multithreading, debugging on Linux, Git and CI/CD (GitLab, Docker, Make), automated testing with gtest, and U.S. citizenship with ability to obtain Top Secret clearance.
C, C++, Git, GitLab, Docker, Linux shell scripting, Make, CMake, Google Test (gtest), Python, JavaScript, React
1mo
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.NET C# Developer
Washington, District of Columbia, United States
$145k-$151k/yr OnsiteFull Time
3+ YOE3+ years C#/.NET experience, ASP.NET, Entity Framework, SQL Server; Bachelor's degree preferred or 8+ years experience; active Top Secret clearance; unit/integration testing and secure coding experience.
C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Acrobat, Azure, AWS, Jira, Azure DevOps
1mo
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C# / .Net Developer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years software engineering experience; 3–5 years with C#/.NET, ASP.NET, Entity Framework, and Microsoft SQL Server; experience with REST/RPC, unit/integration testing, secure coding; active TS/SCI clearance and U.S. citizenship required.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, Git, GitLab, Docker, AWS, Azure, REST, RPC, CI/CD
2mo
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C++ Software Developer
Arlington, Virginia, United States
OnsiteFull Time
3+ YOE3+ years software development with modern C++, SQL experience, distributed source control (Git/Mercurial), Bachelor's (or Associate + experience), active Secret clearance required (US citizen), ability to produce technical documentation.
C++, Visual Studio, UML, SQL, SQLite, Git, Mercurial, Python, Windows, Linux
4w
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C#/.NET Developer
Washington, District of Columbia, United States
$151k-$156k/yr OnsiteFull Time
8+ YOEActive Top-Secret clearance, Bachelor’s in IT, minimum 8 years experience with 3–5 years using C#/.NET; experience with ASP.NET, Entity Framework, Microsoft SQL Server, REST/RPC, Git/GitLab, unit/integration testing, and secure coding practices.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
4w
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GN&C Navigation Engineer III
Seattle or Brevard County or Huntsville or Denver or Los Angeles or Reston
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEM.S. in a STEM field with 5+ years in navigation systems; strong skills in Rust, C/C++, or C; experience with state estimation/Kalman filters and navigation sensors (IMUs, star trackers); U.S. eligibility required.
C, C++, Rust, Python, DO-178C, IMUs, star trackers, optical sensors, hardware-in-the-loop
4w
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Cleared C# / .NET Developer
Washington, District of Columbia, United States
$91k-$185k/yr OnsiteFull Time
3+ YOEBachelor's degree with 3+ years developing software using C#/.NET, ASP.NET, Entity Framework, and SQL Server; unit testing, secure coding, Git/GitLab; active Top Secret clearance and US citizenship; onsite Washington, DC.
C#, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
1mo
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C-UAS Project Engineer
Washington or Chantilly or West Virginia or United States
$120k-$165k/yr HybridFull Time
3+ YOEU.S. citizen able to obtain Public Trust, Bachelor’s in engineering + 3+ years experience, C-UAS systems expertise, API/SDK and sensor fusion experience, ability to integrate C-UAS systems and develop technical documentation.
API, Team Awareness Kit (TAK), Tactical Assault Kit, Dedrone City, Cloud Based Command and Control (CBC2), Athena, LATTICE
2w
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Senior C++ Software Engineer (Defense Autonomy)
Washington or Arlington
$150k-$200k/yr OnsiteFull Time
5+ YOE5+ years C++ (C++20) experience, strong algorithms and multi-agent/optimization background, proficiency with Bazel, Docker, Linux, ability to obtain U.S. SECRET clearance, BS/MS or equivalent experience.
C++20, Bazel, Docker, RHEL, Ubuntu, Linux
1w
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C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
3+ YOESecret clearance, CompTIA Sec+, 3+ years professional software development, strong C++ expertise, cross-platform (Windows/Linux) development, effective communicator.
C++, Windows, Linux
1w
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C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
3+ YOESecret clearance and CompTIA Sec+ (or ability to obtain), 3+ years professional software development, strong C++ skills, cross-platform (Windows/Linux) experience, and good communication.
C++
3mo
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C++ Engineer- FreeWheel- Onsite (Hybrid)- Chicago, IL, Denver, CO, Reston, VA or New York, NY
Chicago or New York or Reston or Denver
$110k-$188k/yr HybridFull Time
2+ YOEBachelor’s degree in computer science or related field; 2+ years in C/C++; experience with distributed systems and software development lifecycle.
C++, C, Database design, Network programming, Distributed systems, Agile, SDLC
1mo
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Senior C++/Python Software Engineer - Clearance Required
Hanover, Maryland, United States
$151k-$266k/yr OnsiteFull Time
15+ YOETS/SCI with poly required, Bachelor's in CS or equiv, 15+ years software engineering experience, strong Python and C/C++ skills, scripting (Bash/awk/sed/PowerShell), RF signals familiarity, EM/STM32 experience preferred.
Python, C/C++, Bash, awk, sed, Microsoft PowerShell, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter
2mo
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Engineer II, C++ Systems Integration (R4021)
Washington, District of Columbia, United States
$95k-$143k/yr OnsiteFull Time
2+ YOE2+ years experience with a Bachelor's degree; strong modern C++ (C++14/17/20); Linux; Python; CI/CD; Docker; TS/SCI/Secret clearance preferred.
C++, Python, Linux, Docker, GitLab CI/CD, CMake, Conan, gRPC, REST, ZeroMQ
1w
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Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
8+ YOEC# full-stack web development with ASP.Net, web libraries (jQuery, Bootstrap, Knockout), database experience (MongoDB), 8+ years experience, US citizenship and Top Secret SCI+Poly required.
C#, ASP.Net Web Forms, ASP.Net MVC, Java, MongoDB, HTML, CSS, JQuery, Bootstrap.js, Knockout.js, IIS
1w
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Sr. Avionics Engineer - C&DH (Contract)
United States or Arlington or Denver or Houston or Merritt Island
RemoteContract
8+ YOEBachelor's in STEM required (Master's preferred), 8+ years' experience (6 with Master's), experience with satellite avionics/C&DH, RS-422/CAN/1553/SpaceWire, MatLab/STK/C++, and ability to obtain government security clearance; US citizenship required.
MatLab, STK, C++, RS-422, CAN, 1553, SpaceWire
2mo
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Software Engineer (C++ / Networking)
Herndon, Virginia, United States
$90k-$110k/yr OnsiteFull Time
2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.
C++, Java, C#, Unix, Windows, IDEs
3d
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Substation Engineer - P&C (MD)
Elkridge, Maryland, United States
$80k/yr HybridFull Time
2+ YOEUndergraduate degree in electrical/electronics engineering, knowledge of substations, protection schemes, NEC/NESC, MicroStation/AutoCAD, ability to work on multiple projects and meet deadlines.
Microstation, AutoCAD