• Systems Engineer Senior - level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Senior for the Simulation Design team which is responsible for delivering high‑fidelity simulation solutions ... development lifecycle\. **What You Will Be Doing** As the Systems Engineer you will be responsible for...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret… more
    Lockheed Martin (01/10/26)
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  • Avionics Systems Engineer (Crew…

    SpaceX (TX)
    Avionics Systems Engineer (Crew Starship) Starbase, TX... Government export regulations, applicant must be a (i) US citizen or national, (ii) US ... ultimate goal of enabling human life on Mars. AVIONICS SYSTEMS ENGINEER (CREW STARSHIP) Become a part...be eligible to obtain the required authorizations from the US Department of State. Learn more about the ITARhere… more
    SpaceX (01/07/26)
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  • Lead, Systems Engineer

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Lead , Systems Engineer Job Code: 32705 Job Location: Greenville, TX (On-Site) Job Schedule: ... and/or subsystems. The ideal candidate will have experience with systems engineer /architect work with a desire to...a Top Secret with SCI. + Must be a US Citizen . Preferred Additional Skills: + Active… more
    L3Harris (01/15/26)
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  • Sr. Manager, Systems Engineer

    L3Harris (Waco, TX)
    …Schedule: 1st Shift 9/80 Job Description: We are looking for a Sr. Manager, Systems Engineer with strong knowledge of Systems Engineering, Cybersecurity, and ... at the time of hire. + Must be a US Citizen . ##LI-AH1 L3Harris Technologies is proud...security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept… more
    L3Harris (01/06/26)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30686 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr Specialist, Systems Engineer position is part of a...DOD Top Secret (TS/SCI) Clearance. + Must be a US Citizen . Preferred Additional Skills: + Active… more
    L3Harris (11/08/25)
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  • Sr. Spec, Systems Engineer

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30296 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems engineer (SE) will be responsible for...Top Secret (TS/SCI) Security Clearance. + Must be a US Citizen . Preferred Additional Skills: + Active… more
    L3Harris (10/24/25)
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  • Principal Systems Engineer…

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Engineer interested in working on one of the largest and ... need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong background...status is required as this position needs an active US Security Clearance for employment. Non-U.S. Citizens … more
    Sierra Nevada Company, LLC (12/17/25)
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  • Systems Engineer Manager - ADP…

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Manager \- ADP Systems I&T for the ADP Systems Integration and Test Team which is responsible for ... the portfolio\. **What You Will Be Doing** As the Systems Engineer Manager \- ADP Systems...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (01/14/26)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Senior for the F\-35 SEIT \( Systems Engineering Integration and Testing\) Technical Management Team\. ... **What You Will Be Doing** As the Systems Engineer Senior your responsibilities will include:...Fort Worth, TX Discover Fort Worth\.** Must be a US Citizen ; this position will require a… more
    Lockheed Martin (12/04/25)
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  • Sr. Specialist, Systems Engineer…

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer - COMMS & Datalink Job Code: 30689 Job Location: Greenville, ... a Top Secret with SCI Job Description: Mid-Senior level Systems Engineer to perform data analysis in...security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept… more
    L3Harris (11/01/25)
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