• 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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  • Scientist, Software Engineer

    L3Harris (Greenville, TX)
    …tools such as Git and SVN. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Demonstrated experience with software configuration ... domains in the interest of national security. Job Title: Scientist, Software Engineer Job Code: 30613 Job Location: Greenville, TX Schedule: 9/80 Job Description:… more
    L3Harris (11/07/25)
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  • Lead, Software Engineer

    L3Harris (Greenville, TX)
    …scripting languages such as Bash and Python. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Experience in Design Patterns and ... cyber domains in the interest of national security. Job Title: Lead, Software Engineer Job Code: 30612 Job Location: Greenville, TX Schedule: 9/80 Job Description:… more
    L3Harris (11/05/25)
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  • Specialist, Software Engineer

    L3Harris (Greenville, TX)
    …+ Active US Secret clearance and able to obtain and maintain active US Top Secret / SCI clearance. + Bachelor's Degree and minimum 4 years of prior ... domains in the interest of national security. Job Title: Specialist, Software Engineer Job Code: 30529 Job Location: Greenville, TX Schedule: 9/80 Job Description:… more
    L3Harris (11/05/25)
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  • Lead, Project Engineer

    L3Harris (Waco, TX)
    Secret Security Clearance with the ability to obtain and maintain a DoD Top Secret ( SCI ) Security Clearance, which requires US Citizenship. + ... TX Schedule: 9/80 Job Description: L3Harris is actively seeking a Lead Project Engineer (PE) to support the bid and execution of complex system integration efforts… more
    L3Harris (10/30/25)
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  • Sr. Specialist, Information Security…

    L3Harris (Plano, TX)
    …IBCS, and TOC-L. + Active Secret clearance or higher; eligibility for Top Secret / SCI preferred. + Excellent communication skills for interfacing ... in the interest of national security. Job Title: Sr. Specialist, Information Security Systems Engineer - (JIBM) Job Code: 29976 Job Location: Plano, Tx Schedule:… more
    L3Harris (10/23/25)
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  • Sr. Spec, Systems Engineer (Avionics)

    L3Harris (Waco, TX)
    …Security Clearance at the time of hire with the ability to obtain and maintain a DoD Top Secret with ( SCI ) Security Clearance. . Must be a US Citizen. ... domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer (Avionics) Job Code: 26329 Job Location: Waco, TX (On-Site) Job Schedule:… more
    L3Harris (10/03/25)
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  • Sr. Associate, Systems Engineer

    L3Harris (Greenville, TX)
    Secret Clearance at the time of hire with the ability to obtain a Top Secret with SCI . Preferred Additional Skills: + Coursework and/or experience in ... domains in the interest of national security. Job Title: Sr. Associate, Systems Engineer Job Code : 29383 Job Location: Greenville, TX Schedule: 9/80 Job… more
    L3Harris (10/01/25)
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  • Full-time - Software Engineer I - Onsite…

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... limited part-time role during the clearance process. Once a US government issued TS / SCI security clearance is approved, full time work can commence. Unclassified… more
    RTX Corporation (11/19/25)
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  • Specialist, Integration & Test Engineer

    L3Harris (Greenville, TX)
    Secret clearance at the time of hire with the ability to obtain and maintain Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: ... in the interest of national security. Job Title: Specialist, Integration & Test Engineer (Test Director) Job Code: 30845 Job Location: Greenville, TX (On-Site) Job… more
    L3Harris (11/07/25)
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