• Senior Linux Systems…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (09/26/25)
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  • Senior Linux System…

    GovCIO (Annapolis, MD)
    …standard Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other ... USD $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_… more
    GovCIO (08/08/25)
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  • Senior Linux System…

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... * Certifications (Required): + CompTIA Security+ CE or CompTIA Server + CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... day-to-day operations and monitoring, and resolve issues related to client/ server /storage/network devices and mobile systems. + Escalate and communicate status… more
    ManTech (09/20/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... of IT systems. + Manage IT system infrastructure and processes related to client/ server /storage/network devices and mobile devices. + Perform Tier 1 (Help Desk) and… more
    ManTech (07/15/25)
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  • Field Engineer/ Linux Systems…

    Huntington Ingalls Industries (Columbia, MD)
    …the interview process. Job Description Enlighten is looking for a Field Engineer/ Linux Systems Administrator to support operational systems at multiple military ... of the time locally out of our Columbia, MD headquarters. #LI-DS1 #Mid- Senior Level Essential Job Responsibilities + Troubleshoot moderately complex problems which… more
    Huntington Ingalls Industries (08/08/25)
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  • Senior System Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Mid/Sr System Administrator ** **Leidos** has a new and exciting opportunity for a **System Administrator ** in our **National Security Sector's ... a timely manner. She/he will be responsible for ensuring server and desktop configurations are optimized and running continuously...a degree. + Must have ​experience as a systems administrator providing direct support to end users and technical… more
    Leidos (09/27/25)
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  • (Mid. or Senior ) System…

    Belay Technologies (Annapolis Junction, MD)
    …in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our team. The selected individual will be responsible for maintaining ... resolved in a timely manner. She/he will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently. The… more
    Belay Technologies (10/01/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide… more
    CACI International (08/01/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …60 days from program start to obtain it + Proficiency in administering Linux operating systems. + Experience with Windows Server 2022 administration, including ... ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise… more
    ManTech (09/10/25)
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