• Scientist, Mission Payload Chief Systems

    L3Harris (Wilmington, MA)
    …of 16 years of prior related experience. + Active Top Secret security clearance + 5+ years of systems engineering technical leadership experience + ... cyber domains in the interest of national security. Job Title: Mission Payload Chief Systems Engineer Job Code: 29452 Job Location: Wilmington, MA Job Schedule:… more
    L3Harris (01/08/26)
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  • Sentinel - Sr. Staff Systems

    Northrop Grumman (Huntsville, AL)
    …communications systems , facility design, military aerospace development **Preferred Qualifications:** + Active DoD Top Secret Clearance + ICBM experience ... Systems is seeking to hire a **Sr. Staff Systems Engineer ** to join its team of...PhD + Must be a US Citizen with an active DoD Secret Clearance with an investigation… more
    Northrop Grumman (01/07/26)
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  • Modeling and Simulation Systems

    Northrop Grumman (Colorado Springs, CO)
    …verbal communication skills **Preferred Qualifications** + Active DoD Top Secret Clearance + Master's degree in Systems Engineering + Experience using ... exciting career opportunity for a **Staff Modeling and Simulation Systems Engineer (Level 5)** to join our...with a PhD. + Applicants must have a current, active in-scope DoD-issued Secret security clearance at… more
    Northrop Grumman (12/18/25)
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  • Missile Systems Engineer

    KBR (Washington, DC)
    Title: Missile Systems Engineer Belong. Connect. Grow. with...involvement with system flight testing or range operations. + Active Secret or Top ... protecting our national security. KBR is seeking a Missile Systems Engineer to support US Department of...DoD acquisition regulations, and ITAR/EAR export requirements. Required: + Active DoD Secret security clearance (or ability… more
    KBR (12/17/25)
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  • Sentinel - Principal Systems

    Northrop Grumman (Roy, UT)
    …performance documentation **Preferred Qualifications:** + Active DoD Top Secret Clearance + Understanding of the Systems Engineering V-Model + Experience ... Systems currently has an opening for a **Principal Systems Engineer ** . This position will be...degree. + Must be a US Citizen with an active DoD Secret Clearance with an investigation… more
    Northrop Grumman (12/12/25)
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  • Lead, Systems Engineer (Optical…

    L3Harris (Wilmington, MA)
    …with systems engineering within space environment Preferred Additional Skills: + Hold an active Secret or Top Secret /SCI clearance. + Experience in ... Agile Systems Engineering department is seeking a systems engineer to join our team and...years of prior related experience + Candidate must have active Secret security clearance + Prior or… more
    L3Harris (12/10/25)
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  • Infrared Sensor Systems Integration/Test…

    Lockheed Martin (Goleta, CA)
    …to obtain and maintain a DoD Security Clearance **Desired Skills:** * Active DoD Secret or Top Secret Clearance * Experience operating and testing any ... **Description:** You will be an Infrared Sensor Systems Testing and Integration Engineer for...selected candidate must have the ability to obtain a Secret Security Clearance\. **Basic Qualifications:** * Bachelor's degree in… more
    Lockheed Martin (01/13/26)
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  • System Engineer Sr.- Training & Technical…

    Lockheed Martin (Palmdale, CA)
    …located at a facility that requires special access\. The selected candidate must possess an active Top Secret clearance to start\. Periodic travel may be ... **Who You Are** You are a detail\-oriented and creative systems engineer with a proven track record...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (01/09/26)
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  • DARPA - Biological Technologies Office (BTO)…

    Amentum (Arlington, VA)
    …- preferably in robotics, mechanical engineering, electrical engineering, or a related field + Active Top Secret security clearance + Please note US ... **DARPA - Biological Technologies Office (BTO) Robotics Engineer Support** Amentum is a leading provider of...required to obtain and maintain a Top Secret security clearance + Experience with designing systems more
    Amentum (11/01/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …status or any other characteristic protected by law. Description Our work depends on a TS /SCI cleared Linux Systems Engineer joining our team to support our ... Linux Systems Engineer EOE Statement We are...or work/military experience QUALIFICATIONS: 5+ years of related experience CLEARANCE: Active TS / SCI Clearance and eligibility… more
    William C Brown Inc (12/25/25)
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