• Senior Linux System…

    Citigroup (Irving, TX)
    …Overview** **:** We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. ... Linux Programming, Linux Server Administration, Linux System Administration, Linux Systems Programming, Python (Programming Language), Red… more
    Citigroup (09/23/25)
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  • Systems Administrator ( Linux…

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...TX*_** **What YOU will do:** + You will provide System Administration in a heterogeneous Redhat 7 & 8… more
    RTX Corporation (10/21/25)
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  • Public Cloud Linux Engineer

    NTT DATA North America (Austin, TX)
    …strategies for performance, and resource utilization. Security & Compliance + Enforce Linux system security best practices, including access control, encryption, ... Linux Operations & Support + Provide support for Linux -based systems across on-premises and cloud environments...following certifications (or equivalent experience): + Red Hat Certified System Administrator (RHCSA) + Red Hat Certified… more
    NTT DATA North America (10/08/25)
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  • Mainframe System Administrator…

    IBM (Dallas, TX)
    …Mainframe System Administrator at IBM, you'll work with other System Administrators, Systems Programmers, network, and application teams to perform daily ... things you've never thought possible. Are you ready to lead in this new era of technology and solve...your skills to grow your career as a Mainframe System Administrator . What is an Apprenticeship? IBM… more
    IBM (11/01/25)
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  • System Administrator (Windows/Wintel…

    Motion Recruitment Partners (Irving, TX)
    System Administrator (Windows/Wintel or UNIX) Irving, TX **Hybrid** Contract $63/hr - $68/hr Grow your career as a Systems Administrator (Windows/Wintel ... Security tools, Data Protection/Security Technologies, PKI Infrastructure. + Must have solid systems administration experience in Linux , Red Hat, Solaris, AIX,… more
    Motion Recruitment Partners (10/28/25)
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  • Systems Administrator

    GovCIO (Fort Bliss, TX)
    **Overview** GovCIO is currently hiring for a Systems Administrator with an active Secret clearance to provide Windows administration for Windows Server ... a fully remote position. **Responsibilities** + Serve as technical lead for a team of System Administrators....monitor Windows Internet Information Services (IIS) applications. + Administer Linux and/or UNIX Operating Systems . + Apply… more
    GovCIO (10/22/25)
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  • IT Administrator

    Robert Half Technology (San Antonio, TX)
    …& IT Operations: * Deliver level 2/3 technical support for Windows, Mac, and Linux systems , both in-person and remotely. * Manage endpoint protection, patching, ... software deployment, and asset lifecycle across the organization. * Lead the procurement and inventory management of hardware/software assets. * Enforce IT policies… more
    Robert Half Technology (10/28/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu)_** , including ** System Administration Tasks** like ... (CKA), Kubernetes and Cloud Native Security Associate (KCSA) + Red Hat Certified System Administrator or like certification + AWS Certified Developer, AWS… more
    Citigroup (11/14/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …Qualifications:** * Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting ... MPE system anomalies and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a variety of hardware to include… more
    Lockheed Martin (10/31/25)
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  • Lead - Enterprise Compute Devices

    Toyota (Plano, TX)
    …app device refresh cycles and conduct thorough testing of new devices and operating systems . + Lead beta testing initiatives for new devices and OS versions, ... Standards:** + Establish and maintain device standards, including configurations for operating systems (iOS, Windows, Linux , etc.), browsers, and group policies… more
    Toyota (11/13/25)
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