1,523 c software jobs at 395 companies in Manassas, VA

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C/C++ Software Engineer
McLean, Virginia, United States
$97k-$162k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
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
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C++ Software Developer
Arlington, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
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
1w
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Senior C++ Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
HEICO
HEICONYSE: HEI: Manufactures specialty electronic components and niche aircraft parts.
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
2mo
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C++ Software Engineer - Active Secret clearance required
Middletown or Manassas
$95k-$106k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
2+ YOEBachelor’s degree in Software Engineering or related field; 2+ years of experience; US citizenship; active Secret clearance; on-site in RI or VA; C++ and networking skills; Agile experience preferred.
C++, Networking, Socket Programming, Linux, QT Framework, Kubernetes, Docker, Git, AI
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Senior C++ Software Engineer (Defense Autonomy)
Washington or Arlington
$150k-$200k/yr OnsiteFull Time
Applied Intuition
Applied Intuition: Developing software and simulation infrastructure for autonomous vehicles.
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
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Senior Staff Software Engineer, C++ Software Integration (R4018)
Washington, District of Columbia, United States
$181k-$271k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
10+ YOEMinimum 7-10+ years experience in C++, distributed systems, CI/CD, and hardware/software interfaces; expert in C++14/17/20; strong Linux experience; active SECRET clearance; leadership experience.
C++, Python, Linux/Unix, Docker, GitLab CI, Conan, CMake, gRPC, REST, ZeroMQ
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C++ Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's in CS/CE or related, demonstrated experience developing maintainable software using modern C++ (C++17+), strong communication skills, ability to obtain Interim Secret and ultimately Top Secret clearance, and passion for learning.
C++ 17, Git, CMake, Conan, GitLab, Docker, GoogleTest (GTest), AFSIM, Java, Python, MATLAB
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Lead C++ Software Engineer - (Reston, VA - Hybrid) - FreeWheel
Reston, Virginia, United States
HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
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
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C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
2+ YOEExpert C programming and bash scripting; experience with Python, software development lifecycle, problem solving, and working independently or on teams. BS/MS/PhD plus relevant years of experience as specified; ability to obtain Department of War security clearance; U.S. work authorization required.
C, Python, bash, Docker, Linux
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C++ Software Engineer
Washington or Richmond or Atlanta or Austin
RemoteFull Time
iboss
iboss: Provides cloud-delivered network security and threat protection services.
7+ YOE7+ years of software development experience in large-scale networking; TCP/IP, HTTP, DNS; distributed architectures; Unix; Agile; strong SQL and data modeling.
C++, C, SQL, Unix, TCP/IP, HTTP, DNS, Distributed systems, Agile
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Software Engineer - C#/ BCS
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
3+ YOE3–5 years software development experience with C#/.NET, SQL Server, APIs/microservices, Git, unit testing; bachelor's in CS or equivalent experience preferred.
C#, .NET, .NET Core, SQL Server, gRPC, REST, Git, GitHub, Azure DevOps, CI/CD
2mo
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C++ Software Developer
Fort Meade or Laurel
OnsiteFull Time
Orbis Operations
Orbis Operations: Defense and intelligence firm providing situational awareness and training.
3+ YOEC++ on Unix with multithreading, Bash/Python scripting, GCC, POSIX/OpenMP, TS/SCI with polygraph; 3-8+ years SWE; CS degree
C++, Unix, Python, Bash, GCC, POSIX threads, OpenMP, SysV, Git, Jira, Confluence
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C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Software Engineering Institute
Software Engineering Institute: Developing software and AI engineering for national security.
2+ YOEExpert C programming and bash scripting, strong problem-solving, ability to learn new languages, BS/MS/PhD in quantitative discipline with 8/5/2 years' experience respectively, ability to obtain DoD security clearance, periodic travel.
C, Python, Bash, Docker, Linux
2mo
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Software Engineer (C++ / Networking)
Herndon, Virginia, United States
$90k-$110k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.
C++, Java, C#, Unix, Windows, IDEs
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C++ Software Engineer (DC, NoVA)
Tysons or Albuquerque
OnsiteFull Time
Stellar Science
Stellar Science: Scientific software for advanced physics-based modeling and simulation.
3+ YOEMid-level C++ software engineer with 3+ years of experience; BS required, MS/PhD preferred; US citizenship and background check; security clearance a plus; location in DC-area or Albuquerque.
Boost, Eigen, Linux, Windows, OpenSceneGraph, OpenGL, WebGL, MPI, OpenMP, Qt, git, Bitbucket, Jenkins, CMake, CAD
1mo
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Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
CaseGuard
CaseGuard: Provides AI-powered redaction software for video, audio, and documents.
5+ YOEBachelor's in CS, 5+ years professional software development (3+ years .NET desktop), expert C#/.NET, deep WPF/XAML and multithreading, profiling/optimization, MVVM and SOLID, mentoring and Agile experience.
C#, .NET, WPF, XAML, TPL, async/await, FFmpeg, C/C++, P/Invoke, SignalR, WebSockets, REST APIs, MVVM
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Senior Software Engineer (C++)
New York City or Washington or Vancouver or London or Galway or Budapest or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
5+ YOE5+ years building secure, scalable services in C++; experience with cloud (AWS), infrastructure as code (CDK/Terraform), containers (Docker), CI/CD, SQL/NoSQL, security practices, AI/LLM tools and mentoring peers.
C++, AWS, CDK, Terraform, Docker, CI/CD, PostgreSQL, NoSQL, Angular, LLM, IAM
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C++ Mission Software Engineer, Mission Autonomy
Boston or Costa Mesa or Seattle or Washington
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOETop Secret clearance; BS/MS/PhD in CS/Software, Math, Physics or related; 3+ years C++/Rust in Linux; data processing; navigate complex systems; up to 30% travel.
C++, Rust, Linux, Data Processing, SLAM, Motion Planning, Computer Vision, Networking
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Software Engineer 3 - Python/C/C++/RF/Bash/Hardware
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
15+ YOEMust hold Top Secret/SCI with favorable polygraph and be a U.S. citizen; 15 years SWE experience required; Bachelor’s in CS (or 4 yrs additional SWE experience) ; strong Python and C/C++ skills; experience with Bash/awk/sed/PowerShell and RF signals.
Python, C/C++, Bash, awk, sed, PowerShell, STM32, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter
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C# / .Net Developer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
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