• Systems Engineer Senior

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and ... operates systems for a variety of national security mission partners...will: * Execute system\-level tests to verify and/or validate requirements * Perform risk\-reduction tests to drive discovery of… more
    Lockheed Martin (12/25/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Engineer who is interested in working on one of the ... fleet. We need you! At SNC, you'll work on cutting-edge defense systems , owning full system lifecycle responsibilities ( requirements , modeling, simulation, test,… more
    Sierra Nevada Company, LLC (12/09/25)
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  • Systems Engineer Staff, Integration…

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and ... operates systems for a variety of national security mission partners...will: * Execute system\-level tests to verify and/or validate requirements \. * Perform risk\-reduction tests to drive discovery of… more
    Lockheed Martin (12/06/25)
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  • Simulated RF Comms SME ( Engineer

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Job Description Mission Technologies, a division of HII, is seeking a Simulator Systems Technician/Field Engineer 3 to work on a team executing integration ... + Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and… more
    Huntington Ingalls Industries (12/06/25)
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  • Lead, Crypto-Communications Security…

    L3Harris (San Diego, CA)
    …domains in the interest of national security. Job Title: Lead, Crypto/Communications Security Systems Engineer Job Code: 30537 Job Location: San Diego, CA Job ... Information Assurance: Develop and oversee the design and architecture of complex systems , ensuring they meet all technical requirements and specifications. *… more
    L3Harris (11/08/25)
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  • Systems Engineer , Nuclear Safety

    Lockheed Martin (King Of Prussia, PA)
    …will be supporting the Nuclear Safety team across various Weapons Programs\. As a Systems Engineer , you will directly help establish the technical solution and ... of the Minuteman Weapon System by crafting, building, testing and deploying new Reentry Systems and Ground Equipment that will enable the new system to perform for… more
    Lockheed Martin (12/25/25)
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  • Systems Engineer Senior (Level 3)

    Lockheed Martin (King Of Prussia, PA)
    …definition studies to translate requirements into software specifications\. As a Systems Engineer Sr\. you will directly help establish the technical ... maintenance\. \- Ensures the logical and systematic conversion of customer requirements into total systems solutions that acknowledge technical, schedule,… more
    Lockheed Martin (12/25/25)
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  • Principal Systems Engineer

    Applied Research Solutions (Bedford, MA)
    **Description** Applied Research Solutions is seeking a full-time Principal Innovation Engineer providing support to the Command, Control, Communications, and Battle ... in many different focus areas. C3BM's main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration… more
    Applied Research Solutions (12/24/25)
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  • Ground Systems Software Engineer

    KBR (Denver, CO)
    …control, configuration. + Monitor and ensure overall system software adhere to systems requirements , program ground system requirements , assess verification ... Title: Ground Systems Software Engineer Belong. Connect. Grow....defense. Key Responsibilities: + Provide expert advice/analysis on ground systems software requirements , design, installation, test, and… more
    KBR (12/16/25)
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  • Systems Engineer (Architecture…

    Lockheed Martin (Mount Laurel, NJ)
    …Lockheed Martin Rotary & Mission Systems is seeking a full\-time Systems Engineer \. You will participate in design, development, integration, and testing ... and contribute to models of real\-world weapons, radars, Command & Control systems \. You will independently identify and address system and software defects,… more
    Lockheed Martin (12/13/25)
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