1d
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Mid-level C++ Software Engineer
Manassas, Virginia, United States
$105k-$115k/yr OnsiteFull Time
2+ YOEBachelors in software engineering or related STEM plus 2 years (or Master's plus 6 months); active DoD Secret clearance at hire; U.S. citizenship; experience with C/C++, Linux; strong problem-solving and communication.
C++, C, Linux, Docker, Kubernetes, MATLAB
1mo
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Mid-level C++ Software Engineer
Manassas, Virginia, United States
$119k-$132k/yr OnsiteFull Time
5+ YOEBachelor's in CS/CE/SE or related plus 5+ years (or Master's plus 3). Requires active DoD Secret clearance and U.S. citizenship. Strong C/C++ and Linux experience; Docker/Kubernetes and MATLAB preferred.
C/C++, Linux, Docker, Kubernetes, MATLAB
1d
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Mid-Level C++ Engineer - Real-Time Tactical Systems (RR1005)
Dahlgren or King George
$74k-$95k/yr OnsiteFull Time
3+ YOEBS in engineering or technical discipline, 3+ years modern C++ experience, Linux proficiency, US citizenship and ability to obtain DoD clearance, EM/SDLC skills, Python or Lua experience preferred.
C++, Standard Library, Linux, Python, Lua, Agile, Jira, Git
2w
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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
1mo
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.NET C# Developer
Washington, District of Columbia, United States
$140k-$142k/yr OnsiteFull Time
3+ YOE3+ years developing with C# and .NET, ASP.NET, Entity Framework, SQL Server; unit/integration testing; secure coding; active Top Secret clearance required.
C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, PowerPoint, Acrobat, Azure, AWS, Jira, Azure DevOps
2mo
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C++ Application Developer
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI clearance, Bachelor’s or higher in CS/CE/EE, 5+ years desktop app development, strong C++, Qt UI experience, Linux environment familiarity, Git proficiency.
Qt, GTK, WPF, Java/Swing, Linux, Git, AWS, Docker, Kubernetes, Grafana, Loki
1mo
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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
1mo
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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
1mo
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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
5d
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C#/.NET Developer, Senior
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
8+ YOEActive Top-Secret with SCI and CI Poly eligibility; Bachelor’s in Computer Science or equivalent; 8+ years software development; 3–5 years C#/.NET experience; ASP.NET, Entity Framework, SQL Server, unit testing, and secure coding.
C#, .NET, ASP.NET, Entity Framework, SQL Server, Git, GitLab, AWS, Azure, Docker
1mo
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Senior .NET/C# Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
8+ YOE8+ years .NET/C# experience, 5+ years SDLC, testing, SQL stored procedures, and mentoring. DoD 8140.03 IAT Level II and active security clearance required; ability to obtain SI/TK/G/HCS and NATO Secret accesses.
MS .NET, C#, MVC 4+, IIS, Windows Server, SQL Server
3w
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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
3w
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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
1mo
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Senior Electrical Engineer or Senior Instrumentation and Control (I&C) Engineer
Raleigh or Richmond or Baltimore or Fairfax or Orlando
OnsiteFull Time
15+ YOEBS in electrical engineering, PE required, 15+ years water/wastewater EI&C design and management, AutoCAD and Revit experience, NEC/NFPA knowledge, strong client and team leadership.
AutoCAD, Revit, SCADA, PLC, DCS
3w
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C or C++ Junior Developer
Dahlgren, Virginia, United States
$85k-$100k/yr OnsiteFull Time
0+ YOEC or C++ development experience,Bachelor's in technical field or equivalent,0-5 years experience,ability to obtain DoD security clearance,valid driver's license,good communication and problem-solving skills.
C, C++, Java, Python
2mo
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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
2w
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Space Systems TT&C Engineering Lead
Chantilly, Virginia, United States
$113k-$257k/yr OnsiteFull Time
Expertise in launch vehicle or satellite TT&C, mission design/operations, technical team leadership, and active TS/SCI clearance; bachelor’s in aeronautical engineering required.
Jira/Confluence, Python
3w
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Lead C++ Software Engineer - (Reston, VA - Hybrid) - FreeWheel
Reston, Virginia, United States
HybridFull Time
7+ YOE7+ years experience designing and operating large-scale online services; strong C/C++ or Golang, Linux, cloud and containerization (AWS,Kubernetes) expertise; distributed systems, networking and excellent problem-solving skills.
AWS, Kubernetes, Nginx, C++ Programming Language, Golang, Linux