• Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment. + Lead ... technologies: RedHat Enterprise Linux, Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux … more
    RTX Corporation (09/11/25)
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  • Systems Administrator Intermediate - TS/SCI…

    General Dynamics Information Technology (San Antonio, TX)
    … hardware and software configuration database/library of all supporting documentation. + Perform systems administration of desktop and server systems ... System (OS) installation, and other local area system administration related functions + Provide support...Configure and manage UNIX and Windows operating systems + Install/load operating system and application… more
    General Dynamics Information Technology (09/13/25)
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  • System Administrator

    METECS (Houston, TX)
    …duties as assigned Required Qualifications: + Minimum of 5 years of IT system administration and cybersecurity experience. + Exposure to cybersecurity frameworks ... professional environment. Desired Qualifications: + Certifications such as Microsoft Certified: Windows Server , CompTIA A+, CompTIA Security+, CompTIA Linux+,… more
    METECS (09/18/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …in a related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network ... systems in a variety of hardware to include servers , desktops and laptops * Performing detailed problem analysis...* Proficient with Windows and Linux/Unix operating systems configuration and troubleshooting\. * IT System /Software… more
    Lockheed Martin (07/26/25)
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  • Sr. Principal System Administrator

    RTX Corporation (Plano, TX)
    …problems. **What You Will Do: ** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. ... + Linux Server management to include installation, configuration, and maintenance. + Windows Server management fundamentals to include DNS, DHCP, AD, and … more
    RTX Corporation (09/09/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Mckinney, TX)
    …+ Experience with systems administration of Linux, Networking, and/or Windows (in desktop or server environments) + Experience with user account ... maintaining RedHat Satellite Servers + Troubleshooting ability with all Microsoft Windows and Linux systems + Customer service and training skills, including… more
    RTX Corporation (09/13/25)
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  • Systems Administrator II- Office based…

    ThermoFisher Scientific (Austin, TX)
    …as well as improving systems reliability.** Provide L2/L3 operational support for Windows server infrastructure. Manage and support Windows Server ... role._ **Experience Requirements:** Possess 3-5 years of experience in assisting with Windows operational server administration is required. AWS/Cloud… more
    ThermoFisher Scientific (09/17/25)
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  • Sr. Systems Administrator

    Robert Half Technology (Dallas, TX)
    …of experience in a Senior Systems Administrator role. * Proficiency in operating systems , including Windows Server , Windows 10, and Azure Active ... Description We are looking for an experienced Senior Systems Administrator to join our team in Dallas,...issues. * Build, configure, and troubleshoot desktops, laptops, and servers to ensure optimal performance. * Conduct client site… more
    Robert Half Technology (09/19/25)
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  • Cyber Systems Security Engineer Staff…

    Lockheed Martin (Fort Worth, TX)
    …Experience with Windows Server , Red Hat Enterprise Linux System Administration and virtualized environments\. * Strong and proven effective communication ... troubleshooting tools such as Wireshark/NPcap * Familiarity with Dell/HP storage solutions and servers * Familiarity with embedded systems such as ASIC or FPGA… more
    Lockheed Martin (07/26/25)
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  • Critical Environment Platform Engineer

    Microsoft Corporation (San Antonio, TX)
    …+ Basic understanding Windows Server OS-based operating systems distributions performing automated system installation and configuration, file ... Continuous Integration (CI)/Continuous Delivery/Deployment (CD) DevOps virtualized infrastructure consisting of Windows & Linux Server Operating System ,… more
    Microsoft Corporation (09/27/25)
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