• Principal Cybersecurity Test Engineer

    Northrop Grumman (San Antonio, TX)
    …of degree. + US Citizenship is required + Active Department of Defense (DoD) Top Secret Security Clearance is required to be considered with the ability to ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...Mission Systems (NGMS) is seeking a **Principal Cybersecurity Test Engineer ** to join our team of qualified, diverse individuals… more
    Northrop Grumman (10/24/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret /SCI Security Clearance. #LI-AH1 L3Harris Technologies is proud ... the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 30582 Job Location: Greenville, TX (On-Site)...and data communication systems environment. + Must have an active Secret clearance at the time of… more
    L3Harris (11/08/25)
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  • Sr. Spec, Systems Engineer

    L3Harris (Greenville, TX)
    …Must be a US Citizen. Preferred Additional Skills: + Security +. + Agile experience. + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies is proud to ... interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 29709 Job Location: Greenville, TX (On-Site)...capability across multiple security domains. + Must have an active Secret at the time of hire… more
    L3Harris (11/07/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Winters, TX)
    …at a company selected international or Guam location after the initial 24-month assignment. + Active DoD Top Secret clearance that is in-scope or currently ... has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join...enrolled in CE, with the ability to obtain a Top - Secret /SCI clearance within a reasonable amount of… more
    Northrop Grumman (11/16/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    … Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. + CI Poly. #LI-AH1 L3Harris Technologies is proud ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for performing technical planning,...capability across multiple security domains. + Must have an active Secret clearance at the time of… more
    L3Harris (11/01/25)
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  • Senior Mechanical Engineer - Structural…

    RTX Corporation (Richardson, TX)
    …We Prefer:** + Active possession of an active US government issued Secret or Top Secret clearance. + Practical knowledge of design and analysis ... only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in… more
    RTX Corporation (10/07/25)
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  • Sr. Scientist, Systems Engineer

    L3Harris (Greenville, TX)
    …with Systems, and SIGINT/ELINT. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies is proud to ... interest of national security. Job Title: Sr. Scientist, Systems Engineer Job Code: 30671 Job Location: Greenville, TX (On-Site)...the time. + Ability to obtain and maintain a Top Secret with SCI. Clearance. + Other… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    … Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. + CI Poly. #LI-AH1 L3Harris Technologies is proud ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) performs technical planning, system integration, verification and...integration, verification, and validation planning. + Must have an active Secret at the time of hire… more
    L3Harris (11/01/25)
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  • Senior Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …We Prefer:** + Active possession of an active US government issued Secret or Top Secret clearance. + Background in commercial industry standards and ... only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Job Description Collins Aerospace, an RTX company, is a… more
    RTX Corporation (09/24/25)
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  • Principal Mechanical Engineer - Machine…

    RTX Corporation (Richardson, TX)
    …practices. **Qualifications We Prefer:** + Possession of an active US government issued Secret or Top Secret clearance. + Ability to quickly acquire ... only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in… more
    RTX Corporation (10/29/25)
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