• Specialist, Systems Engineer

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

    L3Harris (Greenville, TX)
    …an active Secret at the time of hire with the ability to obtain a Top Secret / SCI DoD Security Clearance. + Must be a US Citizen. Preferred Additional ... interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 29709 Job Location: Greenville, TX (On-Site)...Skills: + Security +. + Agile experience. + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/07/25)
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  • Sr. Scientist, Systems Engineer

    L3Harris (Greenville, TX)
    …documents. + Travel up to 10% of the time. + Ability to obtain and maintain a Top Secret with SCI . Clearance. + Other duties as assigned by Supervisor. ... interest of national security. Job Title: Sr. Scientist, Systems Engineer Job Code: 30671 Job Location: Greenville, TX (On-Site)...be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for performing technical planning,...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) performs technical planning, system integration, verification and...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Principal Cybersecurity Test Engineer

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

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

    Lockheed Martin (Fort Worth, TX)
    …or small teams Familiarity with transitioning prototype software to production Top Secret // SCI Clearance **Security Clearance Statement:** This ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (10/25/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …Managed by Collins Aerospace** Collins Aerospace is looking for a talented **Senior Systems Engineer ** **with an active TS / SCI clearance** to work onsite in ... applications. + Windows Server experience + **Active and transferable US government issued** ** TS / SCI security clearance** **is required prior to start date** +… more
    RTX Corporation (09/03/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …of aircraft RF and satellite communications systems, or cryptographic equipment. + Must have an active Top Secret with SCI at the time of hire. + Must be ... cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 30705 Job Location: Greenville, TX (On-Site) Job Schedule: 1st… more
    L3Harris (11/08/25)
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