• Sr. Principal System Administrator

    RTX Corporation (Mckinney, TX)
    … optimization. + Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning ... and representing the organization in functional area matters. + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise… more
    RTX Corporation (07/10/25)
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  • Systems Administrator III - Pipeline…

    COMSO, Inc (San Antonio, TX)
    …+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... Systems Administrator III - PIPELINE (TS/SCI...Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    COMSO, Inc (07/22/25)
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  • Systems Administrator (VM)

    GovCIO (San Antonio, TX)
    **Overview** GovCIO is currently hiring for a Systems Administrator for Air Force Intel System . This position will be located in San Antonio, TX and will be ... software, and all configurations. + Plan, coordinate, and implement network/ system security measures in order to protect... Admin) + Experience as a system administrator in a mid to large Windows more
    GovCIO (07/25/25)
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  • Sr. Principal SharePoint and Exchange…

    RTX Corporation (Plano, TX)
    …** Security Clearance:** DoD Clearance: Top Secret **SharePoint and Exchange System Administrator - P4 Plano, TX. Must have active Top-Secret clearance, ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise… more
    RTX Corporation (07/09/25)
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  • Sr. Principal Backup and Storage System

    RTX Corporation (Plano, TX)
    Security Clearance:** DoD Clearance: Top Secret **Sr. Principal Backup and Storage System Administrator Plano, TX, 100% on-site, must have an active ... problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows ...Security + CE or equivalent certification and an Operating System Certification) + Experience with NISPOM, JAFAN, JSIG, DFARS… more
    RTX Corporation (07/10/25)
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  • Senior Systems Administrator

    Eliassen Group (Frisco, TX)
    **Senior Systems Administrator ** **Frisco, TX** **Type:** Contract-to-Hire **Category:** Engineer **Industry:** Other **Reference ID:** JN -072025-102776 **Date ... Our client has an amazing opportunity for a Senior Systems Administrator .The Senior Systems ...hr. w2 **Responsibilities:** + Provide hands-on desktop, server, and systems administration support for Windows and Linux… more
    Eliassen Group (07/19/25)
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  • T2, System Administrator

    Centre Technologies (Houston, TX)
    …strategies (Architect, Implementation and Administration) + Systems Upgrades including security patch management + Monitoring of system utilization and ... and looking to grow our team with a new System Administrator ! Our Company Culture: Our diverse...using Microsoft Word, Microsoft Office, Excel, and Access + Windows 7/8/10 + Windows Server 2008R2/2012R2/2016/2019 +… more
    Centre Technologies (05/23/25)
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  • Senior IT System Administrator

    Amentum (Houston, TX)
    …and recommend solutions. + ** System Administration:** Proven experience administering Windows 2019+/Linux systems in a complex environment. + **Solution ... We have an exciting opportunity for aS **enior IT System Administrator / System Analyst** to join...to improve efficiency and user experience. + **Compliance and Security :** Ensure systems adhere to compliance standards… more
    Amentum (06/23/25)
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  • Senior Intel System Administrator

    CACI International (San Angelo, TX)
    …procedures on assignments. + Provide required system administration on National Security Agency Net (NSANet) for Windows /Sun Unix/Redhat Linux cryptologic ... Senior Intel System Administrator Job Category: Information Technology...the software, hardware, wired or wireless network infrastructure, and system security for JWICS, OPS, HDEV, NSAnet,… more
    CACI International (07/25/25)
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  • System Administrator (Remote…

    VetsEZ (Austin, TX)
    VetsEZ is seeking a System Administrator to join our team. In this role you will be responsible for provisioning, maintaining, and troubleshooting the Windows ... robust security . Key duties include managing network infrastructure, monitoring system performance, and implementing security measures. You will also assist… more
    VetsEZ (07/23/25)
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