• Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, Chantilly, Huntsville, ... but are not limited to:** + Define IS and Network Environment security requirements in accordance with applicable cybersecurity...be a US citizen and have a current/active Top Secret security clearance with SCI eligibility. + Applicant may… more
    ManTech (01/01/26)
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  • RF Spectrum Policy Engineer , Lead

    Huntington Ingalls Industries (Arlington, VA)
    …Time/Salaried/Exempt Anticipated Salary Range: $129,850.00 - $200,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Warfare ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (12/12/25)
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  • RF Spectrum Engineer

    Huntington Ingalls Industries (Arlington, VA)
    …Time/Salaried/Exempt Anticipated Salary Range: $108,606.00 - $135,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (12/11/25)
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  • RF Spectrum Engineer

    Huntington Ingalls Industries (Arlington, VA)
    …Time/Salaried/Exempt Anticipated Salary Range: $103,687.00 - $160,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (10/23/25)
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  • Senior Engineer - DevOps / Infrastructure…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Senior Engineer - DevOps / Infrastructure** **(Onsite)** ... aspects of the job are done in a classified lab environment, and this position requires a daily onsite...relevant experience + Active and transferable US government issued secret security clearance is required prior to start date.… more
    RTX Corporation (10/09/25)
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  • Mid-Level Mission Full Stack Software…

    Tyto Athene (Reston, VA)
    **Description** Tyto Athene is searching for a **Full Stack Software Engineer ** to join our CTO shop. This role is multi-faceted. The successful candidate is a ... highly skilled and innovative Full Stack Engineer to pioneer and support the design, development, and...Work with end-users in the field and in a lab environment to develop software that meets operational requirements.… more
    Tyto Athene (12/07/25)
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  • Sr. Specialist, Electrical Engineer (ASIC…

    L3Harris (Herndon, VA)
    …interest of national security. Job Title: Sr. Specialist ASIC/FPGA Senior Design Engineer Job Code: 30428 Job Location: Herndon, VA (on-site) Schedule: 9/80 Regular ... is not just growing-it's exploding with opportunities for innovation and impact in network and tactical encryption products and systems. Imagine working on the front… more
    L3Harris (10/26/25)
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  • Operating Environment Engineer

    ManTech (King George, VA)
    **MANTECH** seeks a motivated, career- and customer-oriented **Operating Environment (OE) Engineer ** to join our team in **King George, VA** . This is an **on-site** ... to assist the ship's force in the following areas: + Computer and Network Maintenance: This includes servers, routers, data buses (including fiber optics), and other… more
    ManTech (10/08/25)
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  • Electrical Engineer

    Lockheed Martin (Manassas, VA)
    …and implementation, hardware procurement, integration, test, and installation across lab facilities and at\-sea platforms\. As an Experienced Engineering ... development and execution of functional testing Working knowledge of electronic lab equipment such as multimeters, oscilloscopes, and spectrum analyzers Effectively… more
    Lockheed Martin (10/29/25)
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  • Electrical Engineer

    Lockheed Martin (Manassas, VA)
    …and education\. Come and experience your future\! **Who You are** This Electrical Engineer Associate will work as part of an engineering team to develop electrical ... hardware design, hardware procurement, integration, test, and installation across lab facilities and at\-sea platforms\. Specific responsibilities may include:… more
    Lockheed Martin (11/07/25)
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