• Model Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Experience using Cameo or equivalent SysML for architecture design * Active Top Secret with ability to obtain TS / SCI **Desired Skills:** * Experience ... an a highly motivated innovative and talented Model Based Systems Engineer \(MBSE\) to join the Global...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/04/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (St. Louis, MO)
    …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 team ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph...systems . + Update design documents to address new information or lessons learned from deployments and operational activities.… more
    General Dynamics Information Technology (09/30/25)
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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 ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30686 Job Location:...Additional Skills: + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/08/25)
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  • Sr. Spec, Systems Engineer

    L3Harris (Greenville, TX)
    Secret Clearance at the time of hire with the ability to obtain and maintain a DOD Top Secret ( TS / SCI ) Security Clearance. + Must be a US Citizen. ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30296 Job Location:...Preferred Additional Skills: + Active Top Secret with SCI . +… more
    L3Harris (10/24/25)
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  • Spacecraft Systems Engineer Level 3…

    Northrop Grumman (Gilbert, AZ)
    …Advanced degree in engineering, physics, or computer science + Active DoD Top Secret clearance with the ability to obtain SCI + Possess strong leadership ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...Grumman Space Systems is seeking a **Spacecraft Systems Engineer Level 3 or 4** to… more
    Northrop Grumman (12/13/25)
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  • Senior MBSE Systems Engineer

    CACI International (Sterling, VA)
    Senior MBSE Systems Engineer Job Category: Engineering Time Type:...field. + Current Top Secret ( TS ) clearance with the ability to obtain SCI . ... Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...* * **The Opportunity:** Join CACI as a Model-Based Systems Engineer (MBSE) and contribute to a… more
    CACI International (11/18/25)
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  • Lead, Systems Engineer - COMMS…

    L3Harris (Greenville, TX)
    …to be considered with the ability to obtain a Top Secret with SCI Job Description: The Senior level Systems Engineer is responsible for performing ... in the interest of national security. Job Title: Lead, Systems Engineer - COMMS & Datalink Job...Secret Clearance with the ability to obtain a Top Secret with SCI . +… more
    L3Harris (10/05/25)
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  • Senior Principal Cyber Systems

    Serco (Orlando, FL)
    …Special Access Program (SAP) Implementation Guidance (JSIG) + Prior experience as an Information Systems Security Engineer (ISSE) + Possess cloud ... **Position Description** Serco seeks a **Senior Principal Cyber Systems Engineer ** for its Combat Air...DoD Secret Clearance with ability to obtain TS / SCI and SAP/SAR + Bachelor's Degree in… more
    Serco (11/19/25)
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  • Senior Principal Systems Engineer

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

    KBR (Lexington Park, MD)
    …support fielding and sustainment. Basic Qualifications + Must be a US Citizen. + Active Top Secret / SCI security clearance with the ability to maintain TS ... Title: Airspace Integration Systems Engineer Program Summary KBR's Mission...ethical framework, KBR prioritizes data security, privacy, and responsible information management to ensure mission success. Job Summary KBR… more
    KBR (10/14/25)
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