• Linux Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …Assurance (IA) Certification to be considered for employment; either valid CompTIA Security + CE, Systems Security Certified Practitioner (SSCP) or ... The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) operating environment.… more
    General Dynamics Information Technology (09/16/25)
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  • Microsoft Exchange & Messaging Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …IT Infrastructure and Operations **Skills:** Microsoft PowerShell,Microsoft Windows Server, Systems Engineering **Experience:** 10 + years of related experience ... learning, in support of a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating… more
    General Dynamics Information Technology (08/12/25)
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  • Senior Quality Assurance Engineer

    ManTech (Herndon, VA)
    …plans, accomplish testing ensuring usability of the software and that it meets cyber security requirements + Coordinates and collaborates with technical teams ... **ManTech** seeks a motivated, career and customer-oriented **Senior Software Quality Assurance Engineer and Tester** to join our team in the **DC, Maryland, and… more
    ManTech (08/29/25)
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  • Facility Assessor (Mechanical Engineer )

    Parsons Corporation (Centreville, VA)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... engagement to support the evaluation of mechanical, plumbing, and fire protection systems in existing facilities to provide accurate inventory to clients as well… more
    Parsons Corporation (08/29/25)
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  • Project Engineer , Senior

    M. C. Dean (Ashburn, VA)
    …is Building Intelligence. We design, build, operate, and maintain cyber -physical solutions for the nation's most mission-critical facilities, secure environments, ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (09/20/25)
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  • Senior Autonomy Engineer

    Serco (Alexandria, VA)
    **Position Description** As the Senior AI and Autonomy/Swarm Engineer for the Technology Modernization Transition Review (TMTR) process with Serco, you will provide ... challenges. + Technical expertise in command, control, communications, computers, cyber , intelligence, surveillance, reconnaissance and targeting (C5ISRT) in two or… more
    Serco (09/10/25)
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  • WIDS Engineer TS/SCI w/poly

    General Dynamics Information Technology (Chantilly, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** As a Signals Engineer you will conduct active monitoring and response to wireless intrusion ... detection systems , in-place monitoring systems , and operating hand-held...* Required Experience: 2+ years of related experience * Security Clearance Level: minimum TS/SCI and ability to obtain… more
    General Dynamics Information Technology (07/10/25)
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  • Software Engineer I (For SNC Summer 2025…

    Sierra Nevada Company, LLC (Herndon, VA)
    …These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems . ... You'll perform coding, debugging, testing, and troubleshooting of systems and software throughout our development process. Your technical duties involve the design… more
    Sierra Nevada Company, LLC (09/30/25)
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  • Software Engineer Intern (Lynchburg, VA)

    L3Harris (Lynchburg, VA)
    …employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: ... Windows, .NET, Unix, Linux, SOA, RTOS, Real-Time Controls, Wireless, Software Security , Robotics, OOA/OOD, Hadoop, Android, Embedded Systems L3Harris… more
    L3Harris (09/12/25)
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  • Senior Hardware Engineer

    Huntington Ingalls Industries (Roanoke, VA)
    …10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: - $135,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior Employee ... defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR,… more
    Huntington Ingalls Industries (07/09/25)
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