• Instructional Systems Design (ISD)…

    DarkStar Intelligence LLC (Landover, MD)
    …and related materials. Minimum Qualifications + US Citizenship + Current Top Secret / SCI Government-Sponsored Clearance + Counterintelligence Polygraph ... Instructional Systems Design (ISD) Specialist Position Summary...Washington, DC FLSA Status: Regular, Full-Time Security Clearance Level: TS / SCI with Preferred Counterintelligence Polygraph Citizenship: Applicants… more
    DarkStar Intelligence LLC (12/04/25)
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  • Sr. Specialist , Systems Engineer…

    L3Harris (Greenville, TX)
    …an active Secret Clearance at the time of hire, with the ability to obtain Top Secret ( TS / SCI ) Security Clearance. + Must successfully obtain a class ... Job Schedule: 1st Shift 9/80 Job Description: The Senior Systems Engineer Specialist will be responsible for...+ Experience with RC-135 Big Safari aircraft. + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/08/25)
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  • Specialist , Systems Engineer…

    L3Harris (Palm Bay, FL)
    …Python, Java + Advanced experience of MBSE tools: Cameo, ModelCenter, DOORS, Rhapsody + Top Secret SCI clearance highly desired In compliance with pay ... domains in the interest of national security. Job Title: Specialist , Systems Engineering Job Code: 30916 Job...Must have and be able to maintain a DoD TOP SECRET / SCI security clearance +… more
    L3Harris (11/15/25)
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  • Specialist , Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... domains in the interest of national security. Job Title: Specialist , Systems Engineer Job Code: 30582 Job...Active Top Secret / SCI Security Clearance. #LI-AH1… more
    L3Harris (11/08/25)
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  • Specialist , Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... domains in the interest of national security. Job Title: Specialist , Systems Engineer Job Code: 30519 Job...Simulation experience. + Active DoD Security Clearance at the Top Secret / SCI Level. #LI-AH1 L3Harris… more
    L3Harris (11/01/25)
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  • Specialist , Systems Engineer…

    L3Harris (Springfield, VA)
    …of national security. Job Title: Specialist , Systems Engineer - Mission Protection Specialist (Active TS / SCI w/ CI Poly Required) Job Code: 29819 Job ... VA Job Description: L3Harris Technologies is currently seeking a Specialist , Systems Engineer - Mission Protection ...of 8 years of prior related experience. * Active Top Secret / SCI with CI Poly… more
    L3Harris (10/16/25)
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  • Sr. Specialist , Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... in the interest of national security. Job Title: Sr. Specialist , Systems Engineering Job Code: 30652 Job Location:...Active Top Secret with SCI . + CI… more
    L3Harris (11/01/25)
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  • Sr. Specialist , Systems Engineer

    L3Harris (Greenville, TX)
    …Security Clearance at the time of hire with the ability to obtain and maintain a DOD Top Secret ( TS / SCI ) Clearance. + Must be a US Citizen. Preferred ... in the interest of national security. Job Title: Sr. Specialist , Systems Engineer Job Code: 30686 Job...Additional Skills: + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/08/25)
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  • Sr Specialist , Systems Engineer…

    L3Harris (Wilmington, MA)
    …Skills: + Holds an active Secret or Top Secret / SCI clearance + Demonstrated experience with space systems engineering, including knowledge of space ... land, sea and cyber domains in the interest of national security. Job Title: Sr Specialist , Systems Engineer (Optical Space Systems ) Job Code: 29925 Job… more
    L3Harris (10/24/25)
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  • Specialist , Systems Engineering

    L3Harris (Greenville, TX)
    …+ Minimum of active DoD Secret Clearance and the ability to obtain a Top Secret / SCI Clearance, which requires US Citizenship. + Current CompTIA Security+ ... sea and cyber domains in the interest of national security. Job Title: Specialist , Systems Engineering Job Code: 31062 Job Location: Greenville, TX Schedule:… more
    L3Harris (11/19/25)
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