• Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …, manage IT system infrastructure and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily ... Senior Systems Administrator Job Category: Information Technology...manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    CACI International (12/02/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …for business needs + Experience with system administration on both Windows Server and Linux operating systems + Experience troubleshooting and resolving ... Functions:** + Configuring and managing ** Linux ** and **Windows** Operating systems , including: + Implementing operating system enhancements to improve… more
    Northrop Grumman (01/10/26)
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  • Enterprise Infrastructure Systems

    KBR (Sioux Falls, SD)
    …working knowledge of Linux (RHEL, OEL, Rocky) and Windows operating systems . + Experience with server , application, and container provisioning and ... Title: Enterprise Infrastructure Systems Administrator BELONG. CONNECT. GROW. with...This role leads technical operations across both Windows and Unix/ Linux environments (with a primary focus on Linux more
    KBR (12/06/25)
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  • System Administrator

    ManTech (Eglin AFB, FL)
    **MANTECH** seeks a motivated, career and customer-oriented ** System Administrator ** to join our Air Force / Space team at **Eglin AFB** . The System ... in one or more of the following supported platforms: Microsoft Windows Server , Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors,… more
    ManTech (01/01/26)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Active Top Secret/SCI clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT support role. Compliant ... ensuring you receive the utmost employee care. Responsibilities The System Operations/ Administrator will perform the following duties:...with DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security+ or ability… more
    Sciolex Corporation (10/14/25)
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  • Senior Windows Systems Administrator

    ISYS Technologies (Eglin AFB, FL)
    …offices. + General understanding of multiple operating systems to include Windows Server and Linux Server variants. + Maintain weekly data backups ... support an organization's Windows servers and workstations and Internet systems or a segment of a network system...Server , SQL, Patching and STIG'ing + Microsoft Operating Systems Server 2016, 2019, 2022 (100% of… more
    ISYS Technologies (01/06/26)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …environment. + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... and workstation support + Understanding and knowledge of Windows Server internals or Linux fundamentals to include...for a security clearance. + Must have Windows or Linux experience systems administration experience. + Experience… more
    RTX Corporation (12/29/25)
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  • Systems Administrator - Level 5…

    MTA (New York, NY)
    Systems Administrator - Level 5 (TCU)...is to provide technical support to MTA 's computer server hardware, operating system software, and storage ... Department: Server & Storage Ops Date Posted: Nov 21, 2025 Description JOB TITLE: Systems Administrator - Level 5 (TCU) SALARY RANGE: Level 5 - Min: $86,703… more
    MTA (11/22/25)
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  • Senior System Administrator

    The Boeing Company (El Segundo, CA)
    …future with us. **The Boeing Company** is currently seeking a high performing **Senior** ** System Administrator ** to join our team in **El Segundo, CA** . The ... System Administrator will be a part of...+ Experience installing, configuring, troubleshooting, and administering current Windows Server 2022 - 2025 and Desktop Operating Systems more
    The Boeing Company (01/09/26)
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  • Tier II Systems Administrator

    NANA Regional Corporation (Portsmouth, NH)
    LDRM is looking for a Tier II Systems Administrator to work in Portsmouth, NH. To join our team of outstanding professionals, apply today! **Job Summary:** Tier ... candidate would also be able to support an Oracle Linux 8 server . We use an ITIL...on our website at: https://www.onezerollc.com/careers/ **Position Title** : T2 Systems Administrator **Location:** Portsmouth, NH On Site… more
    NANA Regional Corporation (11/27/25)
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