• Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • Senior Windows Server Systems

    Leidos (Bethesda, MD)
    …the kind of environment where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media ... maintenance, patch management, and troubleshooting of operational IA and CND systems + Operates with appreciable latitude in developing methodology and presenting… more
    Leidos (07/24/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (08/13/25)
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  • Senior Linux System Administrator

    Lockheed Martin (Fort Meade, MD)
    …SA experience may be substituted\. * Ten \(15\) years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and ... **Description:** **What We're Doing:** Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting… more
    Lockheed Martin (07/12/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (08/15/25)
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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: ... join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead… more
    CACI International (08/01/25)
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  • Linux System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use ... Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross...Join us. The world can't wait. You Have: + 3 + years of experience with Red Hat Enterprise Linux… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Senior Microsoft Architect…

    EchoStar (Germantown, MD)
    …has an exciting opportunity for a ** Senior Microsoft Architect and Administrator ** in our **Hughes Network Systems ** division. This position will be ... objectives. + Evaluate, recommend/present, and gain consensus on forward-looking systems based on in-house infrastructure while incorporating scalable and efficient… more
    EchoStar (08/04/25)
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  • Senior Database Administrator

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for MULTIPLE ** Senior Database Administrator (s)** to support our customer, USPS' Network and Compute Technology (NCT) ... $151,286.99 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6413/ senior -database- administrator mon-tue-off-days/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6413_… more
    GovCIO (08/02/25)
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