• Cybersecurity Architect / Engineer

    Leidos (Mclean, VA)
    …To promote these efforts, Leidos is looking for a **Cybersecurity Architect / Engineer ** - Connected Intelligent Transportation Systems (C-ITS) to join our team! ... as well as in vulnerability mitigations/remediation planning, for identified systems , network, application and database vulnerabilities. * Ability to architect,… more
    Leidos (12/19/25)
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  • Software Engineer - Graph Database (TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** We are looking for an experienced Systems Software Engineer to join our team, interested in designing, ... developing and maintaining essential software systems . The optimal candidate will have demonstrated experience integrating solutions with graph databases, such as… more
    General Dynamics Information Technology (12/18/25)
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  • Software Engineer - Data Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …Family:** Software Engineering **Skills:** Building Architecture,Complex Systems ,Data Modeling,Distributed Architectures,Distributed Systems **Experience:** ... **US Citizenship Required:** Yes **Job Description:** We're looking for a Software Engineer who is passionate about building modern, scalable solutions for ingesting… more
    General Dynamics Information Technology (12/18/25)
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  • Modeling & Simulation Engineer (N)

    SimIS Inc. (Norfolk, VA)
    …of analytical studies at the operational and strategic level. + Develop digital representations of physical or conceptual systems , incorporating their inherent ... our NATO customer, SimIS seeks a Modeling and Simulation Engineer to guide the design and operation of complex...to guide the design and operation of complex simulation systems enabling the development and integration of emerging technologies… more
    SimIS Inc. (12/17/25)
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  • Software Engineer - Front End (TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**Job Family:** Software Engineering **Skills:** Computer Engineering,Design,Software Solutions,Software Systems **Experience:** 10 + years of related experience ... **US Citizenship Required:** Yes **Job Description:** The Front-End Software Engineer will design and develop complex new software products, or make significant… more
    General Dynamics Information Technology (12/17/25)
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  • Tempest Engineer

    ManTech (Springfield, VA)
    **MANTECH** seeks a motivated and experienced **Tempest Engineer ** to join our team as an **Electromagnetic Compatibility (EMC) and Tempest Specialist.** This role ... supports our mission to secure and strengthen electromagnetic protection across advanced electronic systems . As a Tempest Professional, you will play a key role in… more
    ManTech (12/12/25)
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  • System Engineer

    Kratos Defense & Security Solutions, Inc. (Herndon, VA)
    …Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and ... the right thing. Kratos is looking for a System Engineer Level 3 with cyber knowledge and experience, to...procuring, and maintaining electronic and information technology products and systems + Manipulate extremely large data sets, and data… more
    Kratos Defense & Security Solutions, Inc. (12/06/25)
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  • Software Engineer

    Acclaim Technical Services (Reston, VA)
    …DC area firms and continues to grow. We are actively hiring a Software Engineer with TS/SCI clearance and polygraph supporting a new contract recently awarded in ... development, documentation, and testing and debugging applications software and systems that contain logical and mathematical solutions. They conduct… more
    Acclaim Technical Services (11/18/25)
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  • Lead EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It ... comprises three industry-leading businesses - Collins Aerospace Systems , Pratt & Whitney, and Raytheon. Our 185,000 employees...learning. We are searching for a Lead EW Software Engineer who will function as a senior technical contributor… more
    RTX Corporation (11/05/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has a current job opportunity for a **Senior Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret security ... techniques, procedures, and will aid in discovering other affected or vulnerable systems , establishing a more concrete framework for attribution, and drive the… more
    Leidos (10/31/25)
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