• Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information...of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead and ... of service and reliability. We're looking for a skilled System Administrator to join our team and...complex enterprise IT environments, with a focus on high-assurance systems . This senior -level position involves architecture support,… more
    CACI International (08/01/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job...system infrastructure and any processes related to these systems . The Senior Systems ... * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to...Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (07/10/25)
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  • Senior System Administrator

    DCCA (Columbia, MD)
    …and benefits package. Visit our website at: www.dcca.com Senior System Administrator Candidate must have an active TS /SCI w/Poly For over 40 years, DCCA ... Senior System Administrator Location...management requests for information. Provides technical guidance to lesser-experienced systems administrators. An equivalent of a bachelors degree in… more
    DCCA (05/17/25)
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  • 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 Systems Administrator…

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/09/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …challenging, exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, ... and maintenance of complex DoD systems and networks. This role requires expertise in high-volume,...of continuous learning and improvement. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: +… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service ... or any other protected class. Job Description: This position is for System Administration support for development and production environments for a mission critical… more
    Synergy ECP (07/16/25)
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  • 306 - Senior Systems…

    ARSIEM (Laurel, MD)
    …to have an impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for ... Support the Cyber Range and Lab environments by providing systems administration and automation in support of operator training,...Date: 2025-06-05 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US… more
    ARSIEM (06/06/25)
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  • Linux System Administrator…

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at Aberdeen Proving ... a US Citizen + Must have an active DoD Top Secret Clearance. + Non-remote (relocation incentive... Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be… more
    Link Solutions Inc (08/01/25)
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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 Linux System Administrator is...standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for… more
    Black Bear Technology Solutions, LLC (05/24/25)
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