• Sr. Systems Administrator - Secret…

    Lockheed Martin (King Of Prussia, PA)
    …Technology \(IT\) systems , including networking equipment \- Manage IT systems including day\-to\-day operations , monitoring and problem resolution for all ... of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security personnel to protect against… more
    Lockheed Martin (10/29/25)
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  • Sr. Systems Administrator (Linux)

    Themis Insight (Fort Meade, MD)
    …any processes related to these systems . Provides support to IT systems including day-to-day operations , monitoring and problem resolution for all of the ... in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system...of problems + Provide support to IT systems including day-to-day operations , monitoring and problem… more
    Themis Insight (12/19/25)
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  • Systems Engineer - Mid

    Amentum (Washington, DC)
    …premises and cloud-based applications. The Systems Engineer (Mid) will provide direct support in the day-to-day operations on network hardware and operating ... software. Provide direct support in the day-to-day operations on network hardware and operating systems ...o Attribute and role-based access control paradigms (ABAC/RBAC) o Windows Service Fabric o Splunk administration o Windows… more
    Amentum (11/26/25)
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  • Computer Systems Architect 3

    TEKsystems (Huntsville, AL)
    …RATE MAX: 166 Northrop Grumman Enterprise Services is seeking a well-qualified Staff Systems Administrator to join its dynamic team of technical professionals in the ... Roy Utah or the Huntsville Alabama area in support of the Sentinel Program. Responsibilities will include but...not be limited to the following: Perform as Staff Systems Administrator for a medium-to-large-sized government contract. Lead Team… more
    TEKsystems (01/07/26)
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  • Classified Systems Administrator

    KBR (Huntsville, AL)
    …a full-time, on-site position. Key Responsibilities + Administer, maintain, and support classified computer systems hardware, network gear, software, information ... and virtualization infrastructure + Install, configure, upgrade, and maintain data systems and operating environments including Windows , Linux, VMware, and… more
    KBR (12/16/25)
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  • Security Systems Tech Specialist 2

    M. C. Dean (District Of Columbia, DC)
    … Operations & Maintenance (O&M) teams to install, configure, test, and maintain systems , provide technical support , and ensure compliance with ICD 705 and ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (11/01/25)
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  • IT HelpDesk/ Systems Administrator

    Robert Half Technology (Travelers Rest, SC)
    … for hardware, software, and network-related issues. * Install, configure, and manage Windows Servers and associated systems to ensure optimal performance. * ... card functionality. * Remove outdated servers and ensure smooth transitions to updated systems . * Provide on-call support during weekends as needed to address… more
    Robert Half Technology (12/31/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …collaborative, high-security environment, ensuring the reliability, security, and efficiency of systems that support national security objectives. This position ... + Participate in on-call rotations, system upgrades, and capacity planning to support 24/7 operations . + Document procedures, configurations, and best practices… more
    Leidos (01/13/26)
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  • Systems Engineer - IT - Secret Clearance…

    Lockheed Martin (King Of Prussia, PA)
    …Technology \(IT\) systems , including networking equipment \- Manage IT systems including day\-to\-day operations , monitoring and problem resolution for all ... of the client/server/storage/network devices \- Patch, harden and design Windows and Linux \(Red Hat\) and networking systems with Security personnel to protect… more
    Lockheed Martin (12/20/25)
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  • Systems Administrator

    TEKsystems (Windsor Mill, MD)
    …desktops, Lan/Wan equipment that support their control room apps. + Infrastructure + Desktop Support + Windows 10, 11 + Server Hardware support + NetApp ... + Strong Communication Skills + Leadership Primary Skills: Desktop Support , Windows 10 & 11, Server Hardware...our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions.… more
    TEKsystems (01/08/26)
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