• Senior Firmware Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …and various international customers, keeping the world safe from foreign threats. As a Senior Firmware Engineer , you will be a member of an Integrated Program ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...Collins Aerospace** Collins Aerospace, an RTX company, is hiring ** Senior Firmware Engineers** to support programs for our US… more
    RTX Corporation (10/21/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …sea and cyber domains in the interest of national security . Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly Required) ... Technologies is seeking a Watch Officer to support a critical National Security Program. The successful candidate will join a high-performing team of government… more
    L3Harris (10/15/25)
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  • Cleared Senior /Principal Systems…

    Sandia National Laboratories (Albuquerque, NM)
    …at Sandia National Laboratories, there may be additional steps necessary to ensure compliance with NNSA security requirements prior to the interview date. Job ... the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused...Be Like: We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience to play a crucial… more
    Sandia National Laboratories (12/19/25)
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  • Cleared Senior /Principal R&D Electrical…

    Sandia National Laboratories (Albuquerque, NM)
    …at Sandia National Laboratories, there may be additional steps necessary to ensure compliance with NNSA security requirements prior to the interview date. Job ... the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused...Will Be Like: We are seeking an R&D Electrical Engineer with nuclear weapons experience to assess both conceptual… more
    Sandia National Laboratories (12/19/25)
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  • Senior Mechanical Systems Design & Analysis…

    The Boeing Company (Hazelwood, MO)
    …with us. Boeing Defense, Space & Security (BDS) is looking for a ** Senior Mechanical Systems Design & Analysis Engineer ** to join our team **Phantom Works** ... of the listed location options.** **This position requires an active US Secret Security Clearance (US Citizenship Required). (A US Security Clearance that has… more
    The Boeing Company (12/25/25)
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  • Project Engineer - Senior

    Lockheed Martin (Cape Canaveral, FL)
    …captured, baselined, and released on multiple SSP repositories\. . Ensure compliance with all security , classification, and export\-control requirements \(CUI, ... assembly, test, and maintenance\. The incumbent will act as the project engineer for data products, ensuring they are delivered on\-time, on\-budget, and to… more
    Lockheed Martin (12/24/25)
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  • Senior Principal RF Range Engineer

    RTX Corporation (Tucson, AZ)
    …more secure world. The Effector RF Design Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ. The candidate will ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/29/25)
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  • Senior Principal RF Antenna and Radome…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. The RF Antenna Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ. The candidate will be ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/29/25)
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  • Senior Principal Test Systems Execution…

    RTX Corporation (Tucson, AZ)
    …world. We have an exciting opportunity for a full-time position of ** Senior ** **P** **rincipal** **Test Systems** **Execution Lead Engineer ** located **onsite** ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and… more
    RTX Corporation (12/18/25)
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  • Senior Software Engineer [Cyber…

    RTX Corporation (Woburn, MA)
    …solves tough, meaningful problems that create a safer, more secure world. As a Senior Software Engineer [Cyber / Program Protection] for the ANTPY-2 Program, the ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/12/25)
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