• Systems Security…

    Robert Half Technology (Coppell, TX)
    Description We are looking for a skilled Systems Security Administrator . In this role, you will be responsible for ensuring the security and efficiency ... approach to safeguarding IT infrastructure. Responsibilities: + Drive vendor security assessments, technology evaluations, and strategic security initiatives… more
    Robert Half Technology (11/05/25)
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  • Linux System Administrator

    L3Harris (Greenville, TX)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Linux Systems Administrator Job Code: 30430 Job ... other Friday off) Job Description: This position is for a Linux Systems Administrator supporting Agile Software Development Engineering teams. The position… more
    L3Harris (10/30/25)
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  • Senior Network Systems Administrator…

    General Dynamics Information Technology (Fort Bliss, TX)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Senior Network Systems Administrator - PDA GDIT is seeking highly experienced and ... **Job Family:** IT Infrastructure and Operations **Skills:** Networking Hardware,Network Security ,Network Systems ,Operating Systems (OS), Systems...qualified Senior Network Systems Administrator - Primary Domain … more
    General Dynamics Information Technology (09/27/25)
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  • Sr. Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR. SYSTEMS ADMINISTRATOR (BAMCIT): Bowhead seeks a Sr. Systems Administrator to support the Geographic Service Providers (GSP) Brooke Army ... the PEO MS/J-6 through contractor staff augmentation. The Sr. Systems Administrator is tasked with improving IT...Domain Services, and Microsoft Azure. + Implement and sustain security solutions and requirements in a DOD environment such… more
    UIC Government Services and the Bowhead Family of Companies (10/08/25)
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  • Systems Administrator (Linux)

    RTX Corporation (Mckinney, TX)
    …for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a highly collaborative, ... multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administrator is required to have an active secret security clearance as they will be responsible for deploying… more
    RTX Corporation (10/21/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in unclassified and ... sea and cyber domains in the interest of national security . Job Title: Linux System Administrator Job...Systems and Mission software, Infrastructure services, and Cyber Security hardening. A solid understanding of Linux administration and… more
    L3Harris (10/17/25)
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  • FSL Linux Systems Administrator

    Mb Solutions, Inc. (Houston, TX)
    Houston, TX, USA | Full Time FSL Linux Systems Administrator - ( ADV000ABM ) Are you passionate about human space exploration, understanding the origins of the ... We have an exciting opportunity for a FSL Linux Systems Administrator to join the team with...(CI/CD) + Johnson Space Center campus network + NASA security mechanisms ( security plans, POAMs, ATOs, Risk… more
    Mb Solutions, Inc. (10/18/25)
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  • Systems Administrator III - Pipeline…

    COMSO, Inc (San Antonio, TX)
    Systems Administrator III - PIPELINE (TS/SCI...security controls. + Perform periodic vulnerability scans of systems + Provide support to IT systems ... systems enhancements to improve reliability and performance. The Level 3 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (10/21/25)
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  • Physical Security Administrator

    First State Bank (Gainesville, TX)
    Physical Security Administrator First State Bank is seeking a Physical Security Administrator to manage the day-to-day operations of our physical ... our employees, customers, and assets by maintaining and administering all physical security systems , procedures, and incident responses across our bank… more
    First State Bank (10/25/25)
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  • FSL Linux Systems Administrator…

    CGI Technologies and Solutions, Inc. (Houston, TX)
    **FSL Linux Systems Administrator (ADV000BAP)** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, Texas, ... We have an exciting opportunity for a FSL Linux Systems Administrator to join the team with...(CI/CD) - Johnson Space Center campus network - NASA security mechanisms ( security plans, POAMs, ATOs, Risk… more
    CGI Technologies and Solutions, Inc. (10/03/25)
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