• Senior Scientist, Systems Engineer

    L3Harris (Melbourne, FL)
    Secret Security Clearance. Preferred Additional Skills: + Current US Government Top Secret // SCI Security Clearance + Deep expertise in RF Engineering ... and cyber domains in the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 29634 Job Location: Melbourne, FL Job Schedule:… more
    L3Harris (10/05/25)
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  • Systems Engineer , Subject Matter…

    Huntington Ingalls Industries (Dayton, OH)
    …Ingalls Industries, Mission Technologies Division (HII-MT) is seeking a qualified candidate for Systems Engineer , Subject Matter Expert, Radar Systems . The ... + Must be able to obtain and maintain a TS / SCI security clearance with advanced security checks...SCI security clearance with advanced security checks + Secret clearance minimum to start Physical Requirements Office or… more
    Huntington Ingalls Industries (12/12/25)
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  • Secret Model-Based Systems

    Insight Global (Bath, OH)
    Job Description Insight Global is seeking a Model-Based Systems Engineer for it's government contracting client in support of a USAF program based in Dayton, ... start, as well as eligibility to upgrade to a TS / SCI . The role will predominantly be onsite...control and communication during national emergencies. As a Senior Systems Engineer , you will use your skills… more
    Insight Global (12/04/25)
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  • Principal Systems Engineer

    GliaCell Technologies (Columbia, MD)
    …apply if you currently do not possess this level of clearance. Are you a Principal Systems Engineer who is ready for a new challenge that will launch your career ... An active or rein-statable TS / SCI with Polygraph security clearance is...talented people Job Description: GliaCell is seeking a Principal Systems Engineer on one of our subcontracts.… more
    GliaCell Technologies (12/03/25)
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  • Systems Engineer

    Applied Research Solutions (Offutt AFB, NE)
    **Description** ARS has an exciting new opportunity for a Senior Systems Engineer in support of the Air Force Nuclear Weapons Center Combatant Command, Command ... Must be a US citizen **Clearance:** Must possess and maintain a TS w/ SCI eligibility **Certifications:** Security+ or Security+ CE **Education:** High… more
    Applied Research Solutions (11/27/25)
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  • Senior Systems Engineer (Level 5)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Senior Systems Engineer to participate in Information Assurance (IA) system, hardware, and software design activities ... of ten (10) years of relevant experience as a systems engineer on one or more IT...relevant experience if a degree is not held.* Active TS / SCI clearance with polygraph is required. Salary… more
    Kaizen Approach, Inc (11/11/25)
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  • Systems Engineer - Research…

    KBR (Chantilly, VA)
    Title: Systems Engineer - Research and Development - Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in...and OCONUS travel may be required. Security Requirements: Active TS - SCI w Polygraph Belong, Connect and Grow… more
    KBR (10/29/25)
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  • Mission Systems Engineer

    KBR (Fort Belvoir, VA)
    Title: Mission Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... protecting our national security. KBR is seeking a Mission Systems Engineer in Springfield, VA to provide...20% + Working Hours: Standard Qualifications: Required: + Active TS / SCI clearance with polygraph. + Bachelor's degree… more
    KBR (10/11/25)
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  • Space Acquisition Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …the utmost employee care. Responsibilities We are looking for a Space Acquisition Systems Engineer to provide systems engineering and technical advisory ... systems , architectures, and hardware and software solutions. The Space Acquisition Systems Engineer will serve as the System Program Office (SPO) Subject… more
    Sciolex Corporation (10/09/25)
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  • Lead, Systems Engineer - ELINT

    L3Harris (Greenville, TX)
    …obtain a Top Secret with SCI Job Description: Senior level Systems ...with the ability to obtain and maintain a DOD Top Secret ( TS / SCI ) ... 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 )… more
    L3Harris (11/01/25)
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