• Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... financial auditability and transportation logistics? We're seeking a successful, experienced Senior Systems Administrators to join our team in implementing a… more
    CACI International (11/08/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    **Req ID:** RQ209314 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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  • Senior SAP Basis Administrator…

    Amazon (Bellevue, WA)
    Description Amazon Leo is Amazon's low Earth orbit satellite broadband network . Its mission is to deliver fast, reliable internet to customers and communities around ... DB and other SAP applications on AWS cloud infrastructure Perform basis administrator configuration activities for new enhancement requests from business and support… more
    Amazon (12/05/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Linux Systems Administrator ** to join the team in ... on delivering technical leadership and project support for strategic, enterprise- level hosting environments, primarily catering to initiatives within the Boeing… more
    The Boeing Company (12/25/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and… more
    ManTech (12/13/25)
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  • Senior Linux System Administrator

    GovCIO (Madison, WI)
    …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & ... GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an...administration duties will be included in this role. + Senior - level RedHat Linux server administration experience, experience… more
    GovCIO (11/07/25)
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  • Mid System/ Network Administrator

    Belay Technologies (Laurel, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/ Network Administrator . The Systems Administrator (SA) provides ... be substituted for a bachelor's degree + TS/SCI with poly The Level 2 System/ Network Administrator shall possess the following capabilities: + Experience… more
    Belay Technologies (12/08/25)
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  • Senior Linux Systems Administrator

    SAIC (Princeton, NJ)
    **Description** SAIC is recruiting for a ** Senior Linux Systems Administrator ** to join our program as a general technologist to support our NOAA GFDL program in ... may divide their time between (1) managing junior Admins to support lower level issues; (2) identifying, evaluating and prioritizing customer problems to ensure that… more
    SAIC (01/08/26)
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  • Senior Executive Administrator…

    Cushman & Wakefield (Chicago, IL)
    **Job Title** Senior Executive Administrator / Operations Specialist **Job Description Summary** The Executive Assistant provides organized and dependable ... revenue-related priorities. The individual balances multiple requests, maintains a high level of accuracy, and supports consistent communication across the broader… more
    Cushman & Wakefield (01/07/26)
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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems, and ... network engineering services to support Integrated Discovery Operations (IDO)....logging, patching, IAVMs, McAfee, and UAM. + Responsible for user- level support, including interacting with system-savvy developers and analysts,… more
    ARSIEM (10/30/25)
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