• Senior Linux System…

    GovCIO (Austin, TX)
    …referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience… more
    GovCIO (08/08/25)
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  • Senior System Administrator…

    TISTA Science and Technology (Austin, TX)
    Overview Are you a Senior Systems Administrator who would like to have a positive impact for millions of people? If so, we may have an opportunity for you! TISTA ... Program, Paid Holidays, Military Leave, and much more! Responsibilities The Senior System Administrator /Site Reliability Engineer (SRE)in the VA's Enterprise… more
    TISTA Science and Technology (09/27/25)
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  • Senior Linux System Admin

    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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  • Senior System Administrator

    TISTA Science and Technology (Austin, TX)
    Overview Are you a Senior Systems Administrator who would like to have a positive impact for millions of people? If so, we may have an opportunity for you! TISTA ... Program, Paid Holidays, Military Leave, and much more! Responsibilities The Senior System Administrator /Site Reliability Engineer (SRE)in the VA's Enterprise… more
    TISTA Science and Technology (09/05/25)
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  • Sr . Principal System Administrator

    RTX Corporation (Plano, TX)
    …tough, meaningful problems that create a safer, more secure world. ** Sr . Principal System Administrators** , internally known as Principal Analyst, infrastructure ... IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Linux Server management to include installation,… more
    RTX Corporation (09/09/25)
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  • Network Support Technician - Senior…

    General Dynamics Information Technology (Killeen, TX)
    …+ Required Computing Environment Certification:MCSA Windows Server 2012, Solaris 10, Linux +, VCP5, Azure Administrator Fundamentals etc + **Role Requirements** ... **US Citizenship Required:** Yes **Job Description:** **Network Support Technician - Senior - TS/SCI required** Make meaningful contributions that fuel critical… more
    General Dynamics Information Technology (09/16/25)
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  • Principal OR Sr . Principal Payloads Field…

    Northrop Grumman (Winters, TX)
    …Northrop Grumman Aeronautics Systems is looking to add a **Principal OR Sr . Principal Payloads Field Service Engineer** to our **International Field Service ... at either the Principal Payloads Field Service Engineer level or the Senior Principal Payloads Field Service Engineer level, depending upon the qualifications… more
    Northrop Grumman (09/17/25)
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  • Senior Network Systems Administrator…

    General Dynamics Information Technology (Fort Bliss, TX)
    …8 + 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 ...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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  • Senior Database Administrator…

    CDM Smith (San Antonio, TX)
    …**Business Unit:** COR **Job Description:** We are seeking a highly skilled Senior Database Administrator to support and maintain multiple Oracle E-Business ... * Performs other duties as required. \#LI-LP2 \#LI-HYBRID **Job Title:** Senior Database Administrator (Hybrid Work Options) **Group:** COR **Employment… more
    CDM Smith (09/16/25)
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  • Senior IT System Administrator…

    Amentum (Houston, TX)
    …United States. We have an exciting opportunity for aS **enior IT System Administrator /System Analyst** to join the team with Barrios, a teammate company. The **S** ... **enior IT System Administrator /System Analyst** will: We are seeking a skilled and experienced ** Senior Systems Analyst** to join our IT team. In this role, you… more
    Amentum (09/22/25)
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