• Lead, Systems Engineer - COMMS…

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineer - COMMS & Datalink Job Code: ... Top Secret with SCI Job Description: The Senior level Systems Engineer is responsible for performing data...Data Link (eg Link16, CMF, etc.) or other communication systems in single and Multi-Level Security environments.… more
    L3Harris (10/05/25)
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  • Lead, Systems Engineer - ELINT

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineer - ELINT Job Code: 30649 Job ... with the ability to obtain a Top Secret with SCI Job Description: Senior level Systems Engineer to design, develop, and integrate ELINT Systems on the… more
    L3Harris (11/01/25)
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  • Sr. Spec, Systems Engineer

    L3Harris (Greenville, TX)
    …domains in the interest of national security . Job Title: Sr. Specialist, Systems Engineer Job Code: 30296 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems engineer (SE) will be responsible for...of strategic importance to the organization. + Cognizant of security space regulations and SCIF operations. + Manages complex… more
    L3Harris (10/24/25)
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  • Sr. Associate, Systems Engineer

    L3Harris (Greenville, TX)
    …in the interest of national security . Job Title: Sr. Associate, Systems Engineer (COMINT/SIGINT) Job Code: 30915 Job Location: Greenville, TX (On-Site) ... 1st Shift 9/80 Job Requirements: L3Harris is seeking a Systems Engineer who will be responsible for...of our positions require the ability to obtain a security clearance. Security clearances may only be… more
    L3Harris (11/08/25)
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  • Production Operations Systems

    SAIC (TX)
    **Description** SAIC is searching for a Systems Engineer who performs high-level, day-to-day operational support of complex application cloud systems to join ... Advanced certifications in relevant areas (eg, Red Hat Certified Engineer , Microsoft Certified Systems Engineer ,...with network monitoring and diagnostic tools. + Knowledge of security best practices for production systems . +… more
    SAIC (10/30/25)
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  • Security Intelligence Engineer

    Amazon (Austin, TX)
    …indicators to generate actionable intelligence and insight into current threats. As a Security Intelligence Engineer , you will help enhance our capabilities by ... Intelligence for Global Enterprise Response (TIGER) team, part of Amazon Cyber Threat Intelligence (ACTI), is responsible for developing actionable intelligence on… more
    Amazon (11/05/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist, Systems Engineer Job Code: 30519 Job Location: ... TX (On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Specialist, Systems Engineer (SE) performs technical planning, system integration, verification… more
    L3Harris (11/01/25)
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  • Lead, Systems Engineer (Network)

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineer Job Code: 30172 Job Location: ... Shift 9/80 Job Description: We are seeking a highly skilled and experienced Systems Engineer specializing in system networking. The ideal candidate will possess… more
    L3Harris (10/24/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    … domains in the interest of national security . Job Title: Sr. Specialist, Systems Engineer Job Code : 29863 Job Location: Greenville, TX Schedule: 9/80 Must ... Clearance to be considered Job Description: The Sr Specialist, Systems Engineer position is part of a...Preferred Additional Skills: + Active Top Secret with SCI security clearance + Coursework and/or experience in systems more
    L3Harris (10/12/25)
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  • Senior Information Security Engineer

    Lumen (Austin, TX)
    …and shape the future. **The Role** Lumen Technologies is seeking a Senior Information Security Engineer who can help design, engineer , build, deploy, and ... initiatives such as system deployments and infrastructure enhancements. + Administer security systems and applications to ensure high availability, performance,… more
    Lumen (11/15/25)
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