• Senior Principal Systems Engineer

    RTX Corporation (Mckinney, TX)
    …US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** Secret - Current At Raytheon, the foundation ... systems engineering experience + Active and transferable US government issued Secret security clearance is required prior to start date. US citizenship… more
    RTX Corporation (08/30/25)
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  • Systems Engineer Staff - Level 4

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be a Systems Engineer , Senior Staff for the Simulation & System Labs \(SSL\) Team\. Our team is responsible for Managed Acquisitions ... and sustainment\. **What You Will Be Doing:** As the Systems Engineer , Senior Staff you will be...be able to obtain and maintain a US DoD SECRET clearance , to support this government contract,… more
    Lockheed Martin (07/18/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …Action Systems (FRACAS) + **The ability to obtain and maintain a Top Secret US Security Clearance is required** ​ **Qualifications We Prefer:** + Ability to ... the opportunity for you! As a Reliability and Maintainability Engineer , you will perform detailed analysis to establish reliability...requires the ability to obtain and maintain a Top Secret US Security Clearance . US Citizenship status… more
    Sierra Nevada Company, LLC (07/18/25)
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  • Cyber Systems Security Engineer

    Lockheed Martin (Fort Worth, TX)
    …that requires special access\. The selected candidate must be able to obtain a secret clearance \. A company\-sponsored interim secret is required to start\. ... security clearance , you must be a US Citizen for consideration\. ** Clearance Level:** Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (09/05/25)
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  • Systems Engineer Staff - level 4

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Lead Systems Engineer for the Simulation and Systems Labs \(SSL\) team\. Our team is responsible for requirements ... SSL\. **What You Will Be Doing:** As the Lead Systems Engineer , you will have a strong...possess and be able to maintain a US DoD SECRET clearance , to support this government contract,… more
    Lockheed Martin (08/08/25)
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  • Sr. Specialist, Network Systems

    L3Harris (Greenville, TX)
    …with testing, integrating, and verifying software and/or hardware. + Must have an active Secret clearance with the ability to obtain and maintain a Top ... Cisco Certified Network Professional (CCNP) certification. + Active Top Secret security clearance . + Experience with Kubernetes deployment/administration.… more
    L3Harris (08/23/25)
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  • Associate, Systems Integration & Test…

    L3Harris (Waco, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Associate, Systems Integration & Test Engineer Job Code : 27009 Job Location: Waco ... TX Schedule: 9/80 Job Description: The Systems Test Engineer (STE) will be responsible...4 years of related experience. . Must possess a Secret Security Clearance and be able to… more
    L3Harris (08/08/25)
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  • Systems Engineer - Level 5

    Lockheed Martin (Fort Worth, TX)
    …Experience with systems engineering milestone events \(SFR/PDR/CDR/TRR etc\.\) \- Secret clearance * Experienced System Engineering Air Systems ... with you\. **Who You Are:** You are a motivated engineer with a strong foundation in systems ..., you must be a US Citizen for consideration\. ** Clearance Level:** Secret **Other Important Information You… more
    Lockheed Martin (08/13/25)
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  • Systems Engineer Sr Staff

    Lockheed Martin (Fort Worth, TX)
    …data analyst/science team members working across other Aero platforms as the lead Systems Engineer \. Primary responsibility includes developing the Systems ... Mathematics \- Must be able to obtain a DoD Secret Clearance to perform job duties -...Clearance to perform job duties - Experience in Systems Engineering Plan \(SEP\), Systems Engineering Management… more
    Lockheed Martin (08/09/25)
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  • Systems Engineer Sr - Level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Sr for the F\-16 Supplier Forum team which is responsible for managing and maintaining Supplier Statements of ... F\-16 program\. **What You Will Be Doing** As the Systems Engineer Sr, you will play a...special access\. The selected candidate must possess an active Secret clearance to start\. **This position is… more
    Lockheed Martin (08/28/25)
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