• Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in the **Chantilly, VA.** ... Information and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices, TCP/IP… more
    ManTech (10/24/25)
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  • Principal Cloud Developer with Node.JS…

    General Dynamics Information Technology (Fairfax, VA)
    Principal Level:** 5+ years of related experience with **AWS** cloud computing + ** Senior Principal Level:** 8+ years of related experience with **AWS** cloud ... related experience **Job Description:** Transform technology into opportunity as **a Principal Cloud Developer** at GDIT. Shape what's next for mission-critical… more
    General Dynamics Information Technology (10/26/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    …position. The ** Principal Software Engineer** will work with Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks ... ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer** to join our team in...limited to:** + Designing, developing, programming, and modifying software, systems , applications, and tools, both existing and new in… more
    ManTech (09/10/25)
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  • Principal Engineer, Developer Productivity

    General Motors (Richmond, VA)
    …matter most in their domain. **The Role** We are looking for a Principal Engineer with an extensive engineering background, experience using a variety of developer ... guidance. **What** **You'll** **Do (Responsibilities)** + Using your software and systems engineering skills to contribute code, perform code reviews, and create… more
    General Motors (10/31/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Software Engineer** to join our team in the **Reston or Chantilly, VA** location. This is an ... to development and enhancement support for existing software and systems solutions and the development of new solutions as...as Jira, Git, Gradle/Maven and experience developing software in Linux environments + Strong experience with the full data… more
    ManTech (09/11/25)
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  • Full Stack Developer, Assoc. Principal

    BigBear.ai (Ashburn, VA)
    Overview BigBear.ai is seeking a Senior Principal Full Stack Developer to a multi-year contract to support the ongoing modernization and maintenance of the CBP ... information systems , using JAVA/JEE. What you will do + Design...EJBS + Web services (SOAP and Restful) + Unix/ Linux + JEE Server experience (Spring boot, Tomcat, WebLogic,… more
    BigBear.ai (10/11/25)
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  • Software Developer - Principal

    Parsons Corporation (Chantilly, VA)
    …This will lead teams in the design, development, and maintenance of complex systems . We meet customer and mission needs by leveraging cutting-edge research and ... process, from understanding customer requirements, to design, development, testing and deployment. Senior members at BRE also directly assist with winning new work,… more
    Parsons Corporation (10/21/25)
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  • Senior Cyber Engineer

    Nightwing (Sterling, VA)
    …clearance is required + At least 5 years of experience with C/C++ on Unix/ Linux platforms using Make/CMake build systems + Familiarity with static decompilers ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/12/25)
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  • Software Developer ( Systems Software)…

    General Dynamics Information Technology (Herndon, VA)
    …to advancing innovation. Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what's next for mission-critical government ... two of Java, Python, Ruby, or JavaScript + Experience with Linux -based systems and shell scripting. + Experience developing web applications, including… more
    General Dynamics Information Technology (10/16/25)
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  • Senior Signal Processing Engineer

    Leidos (Arlington, VA)
    …Leidos (in Arlington, VA or San Diego, CA) currently has an opening for a ** Senior Signal Processing Engineer** . As a LInC EW Senior Signal Processing Engineer, ... for research, design, and development of signal collection, processing and dissemination systems . Duties may include designing, developing, and analyzing systems more
    Leidos (11/06/25)
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