• Senior Linux System Administrator

    Citigroup (Irving, TX)
    …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 capacity planning. Demonstrate a… more
    Citigroup (09/23/25)
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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 ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux, Windows, and Network operations +… more
    L3Harris (10/17/25)
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  • Systems Administrator

    ManTech (San Antonio, TX)
    **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **San Antonio, TX** area. ... administration of Linux + Experience configuring and maintaining storage and file systems (NFS, EXT3/4, XFS) + Experience in developing and delivering briefings,… more
    ManTech (09/11/25)
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  • Windows Administrator

    GovCIO (Austin, TX)
    …VA and will be a remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently ... Experience in Computer Science or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith 3+ years' experience in automating assigned tasks… more
    GovCIO (09/24/25)
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  • AIX Administrator

    ASM Research, An Accenture Federal Services Company (Austin, TX)
    …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... Responsible for unique or complex information systems and/or information technology projects across more than one discipline, such as application support, database… more
    ASM Research, An Accenture Federal Services Company (11/21/25)
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  • Storage Administrator

    GovCIO (Austin, TX)
    …VA and will be a remote position. **Responsibilities** This position is for a Senior Storage Administrator for a mixed and growing environment of various storage ... data storage systems . + 3+ years' experience maintain storage and network policies and standards. + 3+ years' experience refreshing data from one environment… more
    GovCIO (09/24/25)
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  • Center Administrator

    CenterWell (Fort Worth, TX)
    …Experience with Electronic Medical Record (EMRs) or Health Information Management (HIMs) systems . + 1+ years of HEDIS / STARs experience **Preferred Qualifications** ... off, holidays, volunteer time and jury duty pay + Recognition pay + 401(k) retirement savings plan with employer...and caregiver leave + Employee charity matching program + Network Resource Groups (NRGs) + Career development opportunities \#LI-BL1… more
    CenterWell (10/28/25)
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  • Senior Telecommunications Network

    TekSynap (Corpus Christi, TX)
    …projects. + Proven experience analyzing, designing, and managing WAN and wireless network systems . **Certifications** + Relevant certification from a nationally ... CCNP, or CCIE, or equivalent certifications from other vendors. + Certified Wireless Network Administrator (CWNA) certification required within 180 days of base… more
    TekSynap (11/11/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …virtual servers * Upgrading system hardware and startup/shutdown of rack components * Network administrator experience with experience in Layer 2 and 3 ... **Description:** You will be the Systems Engineer Senior for the F\-35...related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network more
    Lockheed Martin (10/31/25)
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  • Senior Security Systems Engineer…

    Cydecor, Inc. (Crystal City, TX)
    …commitment to Excellence, what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems ... Domain Solutions, HBSS, etc.). + Demonstrated experience developing secure network architectures, engineering documentation, and applying Model-Based Systems more
    Cydecor, Inc. (11/20/25)
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