• Network Emulation Engineer

    CACI International (Chantilly, VA)
    Network Emulation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... and challenging team environment.** **Working knowledge of Ruby on Rails and Python .** **Experience with LAN Management & Network Practices to include:** **Network… more
    CACI International (10/28/25)
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  • Sr Photogrammetric Engineer

    KBR (Chantilly, VA)
    …and analyzing Electro-Optical payload and imagery geolocation and mensuration performance + Software : Experience writing or enhancing C++, MATLAB, Python , or R ... Title: Sr Photogrammetric Engineer Belong. Connect. Grow. with KBR!KBR's National Security...engineering analysis of systems and concepts. Working familiarity with software tools such as SOCET GXP, MSP, and iSpy… more
    KBR (10/19/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly Required) Job Code: 25423 Job ... such as Systems Tool Kit (STK), MATLAB, FreeFlyer, or similar software . Proficiency in analyzing and interpreting orbital mechanics, satellite trajectories, and… more
    L3Harris (10/15/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/10/25)
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  • Senior Engineer - DevOps / Infrastructure…

    RTX Corporation (Sterling, VA)
    …for a security clearance​ **Security Clearance:** Secret - Current **Senior Engineer - DevOps / Infrastructure** **(Onsite)** This position requires an active ... + Guide teams in designing, building, testing, and deploying changes to existing software . + Use troubleshooting skills to resolve issues with build chain or CI/CD… more
    RTX Corporation (10/09/25)
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  • AI Engineer

    Sciolex Corporation (Chantilly, VA)
    …you receive the utmost employee care. Responsibilities As a AI/ Artificial intelligence Engineer Subject Matter Expert, you will you will develop and deploy machine ... You will also work closely with data scientists and software engineers to implement AI solutions that meet program...Experience in AI development and deployment. + Experience with Python , Java, C++, R, or similar for AI development.… more
    Sciolex Corporation (10/09/25)
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  • Technical Lead Engineer - ICAM

    Leidos (Chantilly, VA)
    …Qualifications** + Bachelors degree with 8-12 years of experience in Software Development, DevOps, or Systems Engineering, additional years of relevant experience ... DevOps experience + Experience in at least one of the following languages: Bash, Python , Java, NodeJS + Security+ certification or ability to obtain within 60 days… more
    Leidos (09/28/25)
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  • Lead DevOps Engineer , Middleware & AWS

    Fannie Mae (Reston, VA)
    …(IT) infrastructure environments, including coding, testing, and certifying technology platforms, software , and applications, as well as coach and mentor team ... members. *THE IMPACT YOU WILL MAKE* The *Lead DevOps Engineer , Middleware & AWS* role will offer you the...Excel * Experience using APIs for developing or programming software * Skilled in XML * Skilled in Java… more
    Fannie Mae (09/26/25)
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  • Simulation Engineer - TS/SCI Required

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary focus of the work is systems simulation ... Qualifications:** + Working knowledge of MATLAB, VENTSIM, COLE, or SCEPTRE software + Working knowledge of heating and ventilation systems, thermodynamics and… more
    Leidos (09/26/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …Fabrication or Assembly) or warehouse design, workflow development or management. + Software development skills preferred - python , java, etc. If you're ... Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The...to include mechanical, electrical, and structural components within industry software packages (AutoCAD, Revit MEP, UTAS, etc.) + Provide… more
    Leidos (09/26/25)
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