• Sr. Specialist , ISSE - Network…

    L3Harris (Greenville, TX)
    …In lieu of a degree, minimum of 10 years of prior related experience. + Top Secret Clearance with ability to obtain SCI. + Requires on-site presence at ... sea and cyber domains in the interest of national security . Job Title: Sr. Specialist , ISSE -...Schedule: 9/80 Job Description: L3Harris is seeking an experienced Information System Security professional with particular technical… more
    L3Harris (10/26/25)
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  • Sr. Specialist , Systems Engineer 1

    L3Harris (Greenville, TX)
    …with SCI. + Must be a US Citizen. P referred Additional Skills: + CompTIA Security + Certification + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist , Systems Engineer Job Code: 30672 Job Location:… more
    L3Harris (11/08/25)
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  • Specialist , Cyber Intelligence…

    L3Harris (Plano, TX)
    …proactively looking to improve areas of deficiency. * Ability to obtain and maintain Top Secret clearance and any additional clearances as required. * Ability to ... sea and cyber domains in the interest of national security . Job Title: Specialist , Cyber IT Systems...clearance with current 6-year update with ability to obtain Top Secret . * Bachelor's Degree and minimum… more
    L3Harris (11/23/25)
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  • Sr. Specialist , Systems Engineer…

    L3Harris (Greenville, TX)
    …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: + Active ... sea and cyber domains in the interest of national security . Job Title: Sr. Specialist , Systems Engineer... Top Secret w/SCI clearance. + Cybersecurity Certification… more
    L3Harris (11/08/25)
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  • Specialist , Systems Engineering

    L3Harris (Greenville, TX)
    …+ Minimum of active DoD Secret Clearance and the ability to obtain a Top Secret /SCI Clearance, which requires US Citizenship. + Current CompTIA Security + ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Systems Engineering Job Code: 31062 Job Location:… more
    L3Harris (11/19/25)
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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 a US ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Systems Engineer Job Code: 30705 Job Location:… more
    L3Harris (11/08/25)
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  • Sr Specialist , Technical Writer

    L3Harris (Greenville, TX)
    …MS Office Suite and applications. + Must be able to obtain and maintain a Top Secret with SCI Clearance. + Other duties as assigned by Supervisor. ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Technical Writing Job Code: 30661 Job Location:… more
    L3Harris (11/01/25)
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  • Assessor Engineer Communications and Networking…

    Leidos (San Antonio, TX)
    …may substitute for education depending on contract requirements.) + Requires an Active Top Secret /SCI security clearance. + 3-5+ years of hands-on ... warfare capabilities. It enables cyber operations, cyber defense, intelligence, and information security to protect Air Force networks and global missions.… more
    Leidos (11/22/25)
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  • Sr. Specialist , Systems Engineering

    L3Harris (Waco, TX)
    …a degree, minimum of 10 years of prior related experience. + An active DoD Top Secret (SCI) Security Clearance, which requires US Citizenship. + Demonstrated ... connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist , Systems Engineer - EA ISR Programs Job… more
    L3Harris (11/08/25)
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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: + ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Integration & Test Engineer (Test Director) Job Code:… more
    L3Harris (11/07/25)
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