• 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 ... required, as only US citizens are eligible for a security clearance. + Must have Linux or...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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  • 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 (06/03/25)
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  • Junior Systems Administrator

    Robert Half Technology (Humble, TX)
    Description We are seeking an experienced Systems Administrator with strong expertise in both Linux and Windows server environments. This role is vital to ... security , and optimal performance across our enterprise systems . + Manage, monitor, and maintain Linux ...Linux (RHEL, Ubuntu, CentOS) and Windows Server (2016/2019/2022) systems + Perform regular system updates, … more
    Robert Half Technology (07/04/25)
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  • System Administrator

    METECS (Houston, TX)
    …and systems analysis. We are looking for a talented and experienced IT System Administrator to help us maintain and improve our IT infrastructure and ... + Configure and manage Microsoft O365, Exchange, Teams, and SharePoint, to ensure system security and compliance + Participate in enterprise-wide application and… more
    METECS (06/20/25)
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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, ... required, as only US citizens are eligible for a security clearance. + Must have Linux or...Security + CE or equivalent certification and an Operating System Certification) + Experience with NISPOM, JAFAN, JSIG, DFARS… more
    RTX Corporation (07/09/25)
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  • Senior IT System Administrator

    Amentum (Houston, TX)
    …solutions. + ** System Administration:** Proven experience administering Windows 2019+/ Linux systems in a complex environment. + **Solution Design:** ... 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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  • Systems Administrator

    CACI International (Austin, TX)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... Opportunity:** CACI is currently looking for a detail-oriented and proactive **Infrastructure Systems Administrator ** to join our team developing next generation… more
    CACI International (06/25/25)
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  • Database Administrator Lead - Contractor

    System One (Dallas, TX)
    system upgrades, including patches - Configure LDAP for authentication - Configure security (User/Groups, Roles, File system level) per security design - ... Position Title: ETL Administrator Position Location: hybrid - 3 days in...for a self-motivated individual to join a team of System Administrators maintaining and supporting critical applications and processes… more
    System One (06/12/25)
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  • Systems Administrator

    Robert Half Technology (Midland, TX)
    Description Our client is currently seeking a System Administrator reporting to the Sr. Infrastructure Manager in Midland, Texas. This position will be ... responsible for providing system administration for all PR offices and data centers....Azure Solutions Architect Expert * Microsoft 365 Certified: Endpoint Administrator Associate * Microsoft Certified: Security , Compliance,… more
    Robert Half Technology (06/14/25)
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  • Systems Administrator

    Publicis Groupe (Irving, TX)
    …inside the data types, delimiters, and decimals. We are looking for a **Associate Systems Administrator ** to join our Solutions Enablement team. This role will ... candidates should have a basic understanding of Windows or Linux systems , follow prescriptive documented processes, and...bring with you:** + At least one year of system administration experience in enterprise level Linux more
    Publicis Groupe (07/11/25)
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