• Lead, Systems Engineer - ELINT

    L3Harris (Greenville, TX)
    …with the ability to obtain a Top Secret with SCI Job Description: Senior level Systems Engineer to design, develop, and integrate ELINT Systems ... in the interest of national security. Job Title: Lead, Systems Engineer - ELINT Job Code: 30649...with the ability to obtain and maintain a DOD Top Secret ( TS /SCI) Security Clearance… more
    L3Harris (11/01/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (St. Louis, MO)
    …deliver. There is no challenge we can't turn into opportunity. And our work depends on TS /SCI level cleared **Cyber Systems Engineer lll - ECDS** joining our ... RQ208002 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (09/30/25)
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  • Ground Systems Engineer , Level 2…

    Lockheed Martin (Colorado Springs, CO)
    …space and find a career that's built for you\. Lockheed Martin is seeking a Ground Systems Engineer to join the LM Team located in Colorado Springs, CO\. Ground ... Systems Engineer * Utilizes strong analytical and...cultivate and develop effective customer relationships and work with senior technical management * Ability to learn and troubleshoot… more
    Lockheed Martin (12/11/25)
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  • Senior Principal Cyber Systems

    Serco (Orlando, FL)
    **Position Description** Serco seeks a ** Senior Principal Cyber Systems Engineer ** for its Combat Air Force Distributed Mission Operations (CAF DMO) 3.0 ... email to: [email protected] . Click here to apply now (https://careers-sercous.icims.com/jobs/71974/ senior -principal-cyber- systems - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (11/19/25)
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  • Senior Information Security Systems

    Leidos (MD)
    **Description** **Program Summary** As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing ... Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a...minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System … more
    Leidos (11/26/25)
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  • Senior Systems Engineer

    GovCIO (Hampton, VA)
    …a referral to this job (https://careers-govcio.icims.com/jobs/7137/ senior - systems - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring a Systems Engineer for our Zero Trust...(or commensurate experience) Required Skills and Experience + Clearance Required: TS /SCI + Knowledge of systems engineering principles… more
    GovCIO (11/22/25)
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  • Senior Principal Systems

    RTX Corporation (Cedar Rapids, IA)
    …Aerospace Mission Systems Advanced Technology & Capabilities (ATC) Engineering seeks a Senior Principal Systems Engineer to join the Disruptive ... eligible for a security clearance **Security Clearance:** DoD Clearance: TS /SCI Collins Aerospace, an RTX company, is a leader...Learning techniques + Active and transferable US government issued Top Secret with SCI security clearance Do… more
    RTX Corporation (11/14/25)
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  • Portfolio Systems Engineer

    KBR (Chantilly, VA)
    Title: Portfolio Systems Engineer , SR Portfolio Systems Engineer , SR Belong. Connect. Grow. with KBR! KBR's National Security Solutions team ... + Provide decision support and advice on investment strategies + Provide senior -level staff support to coordinate and manage systems engineering actions… more
    KBR (10/04/25)
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  • Space Systems Engineer

    SAIC (El Segundo, CA)
    **Description** SAIC is seeking a highly experienced ** Sr . Principal** **S** **pace Systems Engineer ** to support Space Systems Command Space Domain ... may be used in lieu of degree. + Active Top Secret clearance with the ability to obtain a TS /SCI and be willing to consent to a polygraph examination.… more
    SAIC (11/17/25)
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  • Senior Systems Engineer

    Battelle Memorial Institute (Beavercreek, OH)
    …individuals to apply. **Job Summary** Battelle's Cyber business line is seeking a ** Senior Systems Engineer ** with experience in model-based systems ... they need to invent new Cyber solutions. As a Senior System Engineer you will work with...with Microelectronics, FPGA, and/or Circuit Card Design + Active Top - Secret Clearance **Work Environment:** Our team is… more
    Battelle Memorial Institute (10/30/25)
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