• 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 who is interested in working on one of the ... it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation ...status is required as this position needs an active US Security Clearance for employment. Non-U.S. citizens more
    Sierra Nevada Company, LLC (11/20/25)
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  • Field Sales Spt Systems Engineer

    Lockheed Martin (Fort Worth, TX)
    …responsibility\. Your Mission is Ours\. Lockheed Martin Aeronautics is seeking a full\-time Systems Engineer \(Field Sales Support\)\. In this role, you will ... disposition and in\-house technical support for the F\-35 Mission Systems Team\. The successful candidate will have experience and/or...indicators to identify emerging failure trends\. Must be a US Citizen \.; This position will require a… more
    Lockheed Martin (11/06/25)
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  • Senior Systems Engineer - Test (Top…

    RTX Corporation (Richardson, TX)
    …safeguarding the lives of those who protect us . As our next Senior Systems Engineer , you will take on more responsibility and leverage your extensive ... **Date Posted:** 2025-09-11 **Country:** United States of America **Location:** HTX36:...date.​ US citizenship is required, as only US citizens are eligible for a security… more
    RTX Corporation (09/13/25)
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  • Principle Systems Engineer - Top…

    RTX Corporation (Richardson, TX)
    …and safeguarding the lives of those who protect us . As our next Principal Systems Engineer , you will take on a senior leadership role and leverage your ... **Date Posted:** **Country:** United States of America **Location:** HTX36:...date.​ US citizenship is required, as only US citizens are eligible for a security… more
    RTX Corporation (09/13/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …(On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) performs technical planning, system integration, verification ... a Top Secret with SCI. + Must be a US Citizen . Preferred Additional Skills: + Active...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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  • Sr. Associate, Systems Engineer

    L3Harris (Greenville, TX)
    …cyber domains in the interest of national security. Job Title: Sr. Associate, Systems Engineer (Avionics) Job Code: 31305 Job Location: Greenville, TX (On-Site) ... experience, or associated technical field. + Must be a US citizen . Preferred Additional Skills: + Active...security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept… more
    L3Harris (11/20/25)
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  • Systems Engineer Sr - Level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** As a Senior Systems Engineer on the F\-35 SEIT Technical Management Team, you will: . Lead and oversee the execution of the Systems ... This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret with Investigation or… more
    Lockheed Martin (10/22/25)
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  • Senior Systems Engineer (Top Secret…

    RTX Corporation (Richardson, TX)
    …safeguarding the lives of those who protect us . As our next Senior Systems Engineer , you will take on more responsibility and leverage your extensive ... **Date Posted:** 2025-09-11 **Country:** United States of America **Location:** HTX36:...date.​ US citizenship is required, as only US citizens are eligible for a security… more
    RTX Corporation (09/13/25)
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  • Systems Engineer with Reliability,…

    The Boeing Company (Richardson, TX)
    …with us . The Boeing Company is seeking a **Lead or Senior Systems Engineer with Reliability, Maintainability, and System Health** expertise to join the ... Special Project Dallas (SPD) P‑8A Advanced Airborne Sensor (AAS) systems engineering team in Richardson, TX. As an integral...by 22 CFR |120.15 is required. "U.S. Person" includes US Citizen , lawful permanent resident, refugee, or… more
    The Boeing Company (11/19/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …TX (On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for performing technical planning, ... a Top Secret with SCI. + Must be a US Citizen . Preferred Additional Skills: + Active...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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