• Assessor Engineer Communications…

    Leidos (San Antonio, TX)
    …on protocol behaviors, emerging technologies, vulnerabilities, and countermeasures. The engineer performs research, evaluates network-based cyber threats, ... assessments to validate secure configurations of routers, switches, firewalls, and transport systems . + Evaluate cyber incidents related to protocol misuse,… more
    Leidos (11/22/25)
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  • Systems Engineer

    NANA Regional Corporation (San Antonio, TX)
    The Systems Engineer is a critical liaison role, embedded with mission partners at designated locations to ensure sustained visibility, coordination, and support ... and other relevant unit briefings that involve AFLCMC/HNI deployed systems and cyber infrastructure. + Participate in...and site surveys as needed. **Qualifications** + An active Top Secret with SSBI is required for consideration +… more
    NANA Regional Corporation (11/08/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 32893 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems engineer (SE) will be responsible for...with the ability to obtain and maintain a DOD Top Secret (TS/SCI) Security Clearance. + Must be a… more
    L3Harris (01/17/26)
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  • Lead, Systems Engineer

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Lead , Systems Engineer Job Code: 32705 Job Location: Greenville, TX (On-Site) Job Schedule: ... and/or subsystems. The ideal candidate will have experience with systems engineer /architect work with a desire to...time of hire with the ability to obtain a Top Secret with SCI. + Must be a US… more
    L3Harris (01/15/26)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30686 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr Specialist, Systems Engineer position is part of a...with the ability to obtain and maintain a DOD Top Secret (TS/SCI) Clearance. + Must be a US… more
    L3Harris (11/08/25)
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  • Sr. Specialist, Systems Engineer 1

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30672 Job Location: Greenville, Texas Job Schedule: ... 1st Shift 9/80 Schedule Job Description: The Sr Specialist, Systems Engineer position is part of a...time of hire with the ability to obtain a Top Secret with SCI. + Must be a US… more
    L3Harris (11/08/25)
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  • Lead, Systems Engineer

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Lead, Systems Engineer Job Code: 32199 Job Location: Greenville, TX (On-Site) Job Schedule: ... 1st Shfit 9/80 Job Description: The Lead Systems Engineer (SE) will be responsible for...DoD Clearance with abilty to obtain and maintain a Top Secret with SCI. + Must be able to… more
    L3Harris (12/18/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Greenville, TX (On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Senior Systems Engineer Specialist will be responsible for providing systems ... employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Spec,… more
    L3Harris (11/08/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 30634 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Systems Engineering Specialist is responsible for supporting the requirements,...class III flight physical. + Must have an active Top Secret with SCI at the time of hire.… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Network Systems

    L3Harris (Greenville, TX)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, ... Network Systems Engineering Job Code: 32043 Job Location: Greenville, Texas...an ACTIVE Secret Clearance with the ability to obtain/maintain Top Secret/SCI Security Clearance, which requires US Citizenship. Job… more
    L3Harris (12/12/25)
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