• Senior Software Engineer , Disruptive…

    RTX Corporation (Cedar Rapids, IA)
    …required, as only US citizens are eligible for a security clearance **Security Clearance :** DoD Clearance : TS/SCI Collins Aerospace, an RTX company, is a ... Technology & Capabilities (ATC) Engineering seeks a Senior Software Engineer to join the Disruptive Systems Technology...transferable US government issued Top Secret with SCI security clearance preferred Mission Systems : Do you want… more
    RTX Corporation (09/23/25)
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  • Sr. Missile Systems Integration & Test…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, ... security clearance . The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative aspects of the… more
    Sierra Nevada Company, LLC (09/01/25)
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  • Systems Engineer Stf - level 4

    Lockheed Martin (Marietta, GA)
    **Description:** You will be the Systems Engineer Sr for the LM Aero Simulation System Labs, C\-130 Labs Operations Team\. You will join a lauded team of over 20 ... Marietta site\. **What You Will Be Doing:** As the Systems Engineer Sr you will plan, coordinate,...and be able to obtain and maintain a US DoD SECRET clearance , to support this government… more
    Lockheed Martin (11/14/25)
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  • Staff Systems Engineer Level 5 (AHT)

    Northrop Grumman (Tucson, AZ)
    …**Northrop Grumman's Defense Systems ** is looking for a **Staff** ** Systems Engineer ** **Level 5** with an **active secret clearance ** to be an integral ... classified material for shipment to the customer. **Basic Qualifications for a Staff Systems Engineer Level (T05):** + Bachelor of Science in Engineering… more
    Northrop Grumman (11/07/25)
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  • Senior Principal Systems Engineer

    Concurrent Technologies Corporation (Fort Meade, MD)
    Senior Principal Systems Engineer Concurrent Technologies Corporation Client Site - Fort Meade, MD area Minimum Clearance Required: TS/SCI with Fullscope ... a major positive impact throughout the Department of Defense ( DoD ), Intelligence Community (IC), and beyond. Our IT solutions...of: + SGI IRIX based operating system + SGI systems with direct attached and FC SAN storage +… more
    Concurrent Technologies Corporation (11/06/25)
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  • Systems Software Engineer

    SMX (Honolulu, HI)
    …SMX(View all jobs) (https://www.smxtech.com/careers/) Honolulu, HI SMX is seeking a Systems Software Engineer to support USINDOPACOM J6 system software ... position is onsite in Hawaii.** **This position requires a DoD Secret security clearance with TS/SCI eligibility...other IaC languages/tools + Minimum of 10-15 years of Systems or Software Engineering experience + Ability to complete… more
    SMX (10/25/25)
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  • Engineer Systems Modeling…

    Northrop Grumman (Chandler, AZ)
    …only part of history, they're making history. The Mechanical Engineering Organization seeks an Engineer Systems Modeling & Simulation - Level 3 at the Chandler, ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...of related engineering experience + Ability to obtain a DoD Secret security clearance + In-depth knowledge… more
    Northrop Grumman (11/20/25)
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  • Sr. UNIX Systems Engineer

    CGI Technologies and Solutions, Inc. (Radford, VA)
    **Sr. UNIX Systems Engineer ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Radford **Position ID:** J1025-2168 **Employment ... for 30 days after project join date. d) Active DOD Secret Security Clearance . e) Five or...e) Five or more years' experience as a Unix Systems Administrator or IT Engineer with experience… more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Lead, Systems Engineer (Chief…

    L3Harris (Herndon, VA)
    …our team in L3Harris Technologies, Herndon, VA location. Reporting to the Business Chief Engineer of Surface & Airborne Integrated Systems , Undersea Systems , ... and regulations. + Familiarity with maritime products and undersea acoustics. + Active DoD Secret Security Clearance . #LI-IK1 L3Harris Technologies is proud to… more
    L3Harris (10/26/25)
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  • Senior Systems Engineer

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Engineer ** to join our team working in **Washington DC** This is an **onsite** ... position. In this role the Senior Systems Engineer will provide critical engineering support...system design activities **Preferred Qualifications:** + Demonstrated experience in DoD systems architectures, design, development, test and… more
    ManTech (11/14/25)
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