• Linux Systems Administrator

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Linux System Administrator Job Code: 29921 Job Location: Greenville, TX Schedule: ... 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System...with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations + … more
    L3Harris (10/17/25)
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  • Senior Linux System Administrator

    Citigroup (Irving, TX)
    …Overview** **:** We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. This ... individual will serve as a subject matter expert (SME) on Linux systems, providing deep operational insight, advanced troubleshooting, performance tuning and… more
    Citigroup (09/23/25)
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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 ... States. We have an exciting opportunity for a FSL Linux Systems Administrator to join the team...and software development (CI/CD) + Johnson Space Center campus network + NASA security mechanisms (security plans, POAMs, ATOs,… more
    Mb Solutions, Inc. (10/18/25)
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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, ... States. We have an exciting opportunity for a FSL Linux Systems Administrator to join the team...and software development (CI/CD) - Johnson Space Center campus network - NASA security mechanisms (security plans, POAMs, ATOs,… more
    CGI Technologies and Solutions, Inc. (10/03/25)
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  • FSL Linux Systems Administrator

    Amentum (Houston, TX)
    …at centers across the United States. We have an exciting opportunity for a **FSL Linux Systems Administrator ** to join the team with Nexus, a teammate company. ... The **FSL Linux Systems Administrator ** will: + This position,...and software development (CI/CD) + Johnson Space Center campus network + NASA security mechanisms (security plans, POAMs, ATOs,… more
    Amentum (09/22/25)
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  • Senior Linux System Administrator

    GovCIO (Austin, TX)
    …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position… more
    GovCIO (11/07/25)
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  • Senior Network Systems Administrator…

    General Dynamics Information Technology (Fort Bliss, TX)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Network Systems Administrator - PDA GDIT is seeking highly experienced ... and qualified Senior Network Systems Administrator - Primary Domain ...application systems (Server, Internet Explorer (IE), .NET, Red hat Linux , McAfee, Active Directory, Doman Name, ESS ePO/Firewall/Policy/Rogue Sensor/Agent… more
    General Dynamics Information Technology (09/27/25)
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  • Public Cloud Linux Engineer

    NTT DATA North America (Austin, TX)
    …and forward-thinking organization, apply now. We are currently seeking a Public Cloud Linux Engineer to join our team in Plano, Texas (US-TX), United States (US). ... Job Description: Job Description Summary: + The Cloud Linux Engineer is responsible for advanced technical support, administration, and optimization of managed… more
    NTT DATA North America (10/08/25)
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  • Network Administrator

    ManTech (San Antonio, TX)
    …routing (MPLS/VPLS, OSPF, EIGRP) and Access switching. + Experience with Linux network troubleshooting **Clearance Requirements:** + Must have a ... Mantech seeks a motivated, career and customer-oriented ** Network ** ** Administrator ** , to join our team in **San Antonio, TX** . The team delivers enterprise… more
    ManTech (10/22/25)
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  • Simulation Technician/System Administrator

    KBR (Fort Bliss, TX)
    …+ Overseas travel is required 20-30 percent annually. + Perform as a system administrator for all simulation and network systems. + Perform system integration of ... Title: Simulation Technician/System Administrator Program Summary KBR's Missile, Aviation, and Ground...requires US Citizenship Preferred Qualifications + CompTIA Certifications: A+, Network +, Linux +, and CCNA are a plus.… more
    KBR (09/26/25)
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