• Big Data Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Big Data Engineer to join our team of professionals providing technical and program services to the Air Force, Space and ... sea, in air, and in space. The Big Data Engineer will support the NRO's Advanced Systems and Technology...focus on data architecture, ETL processes, and data storage solutions . This role is integral to enhancing AS&T's technological… more
    SAIC (12/08/25)
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  • Mid-Level Enterprise Architecture Engineer

    KBR (Chantilly, VA)
    Title: Mid-Level Enterprise Architecture Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions . + Collaborative Environment: Be part of a dynamic team that… more
    KBR (10/21/25)
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  • Adversary Emulation Engineer

    The MITRE Corporation (Mclean, VA)
    …(OT) or Control Systems? Do you enjoy studying adversary behavior and developing software to emulate it? Do you have an interest in researching, developing, and ... Cyber Infrastructure Protection Innovation Center is seeking a cyber security engineer to develop and support its adversary emulation capabilities and efforts.… more
    The MITRE Corporation (01/13/26)
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  • Full Stack Infrastructure Engineer

    Nightwing (Sterling, VA)
    …contributor, focusing on the design, testing, and implementation of advanced cybersecurity software solutions . + Oversee and maintain production systems in an ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (01/07/26)
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  • Full Stack Infrastructure and Monitoring…

    Nightwing (Sterling, VA)
    …contributor, focusing on the design, testing, and implementation of advanced cybersecurity software solutions . + Oversee and maintain production systems in an ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (01/07/26)
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  • Test and Integration Engineer

    Sciolex Corporation (Chantilly, VA)
    … that will support successful integration and testing of complex systems and software solutions . You will collaborate with cross-functional teams to develop and ... a dynamic and collaborative environment. + Collaborate with system engineers, software developers, and other stakeholders to define test objectives, requirements,… more
    Sciolex Corporation (01/07/26)
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  • Propulsion System/Rocket Motor Test…

    L3Harris (Orange, VA)
    …customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the ... interest of national security. Job Title: Specialist, Propulsion / Rocket Test Engineer Job ID: 32195 Job Location: Orange, VA Job Schedule: Shift: 9/80: Employees… more
    L3Harris (12/18/25)
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  • Test Engineer III

    Mercury Systems (Chantilly, VA)
    …+ Collaborate with software development teams to integrate and validate secure software solutions . + Partner with systems engineering, hardware design, and ... Description Job Summary: Mercury Systems is seeking a Test Engineer III to lead test efforts in developing and...system testing practices across Mercury's ruggedized servers and secure software product lines. + Design and implement robust test… more
    Mercury Systems (12/03/25)
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  • Full Stack Engineer

    Lockheed Martin (Manassas, VA)
    …Lockheed Martin is a global leader in aerospace, defense, and technology solutions \. Our Manassas campus is a thriving center of engineering expertise, fostering ... of creativity, excellence, and product innovation\. **The Work** As a Full Stack Engineer , you will be responsible for designing, developing, testing, and deploying … more
    Lockheed Martin (11/19/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …Intelligence . We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex ... MC Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?**… more
    M. C. Dean (01/08/26)
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