• 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 ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required:...or CompTIA Server + CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, 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 (11/21/25)
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  • (Mid. or Senior ) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual will be ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...have experience installing, updating, and upgrading Windows Desktop and Server Operating Systems (OS). + Must have… more
    Belay Technologies (12/31/25)
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  • Senior Unix System

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced ... security of mission-critical systems across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched… more
    SMX (12/04/25)
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  • Senior Linux Systems

    Leidos (Camp Springs, MD)
    …and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, ... (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems ...: RHEL8 and RHEL 9. + Red Hat Satellite Server and Red Hat PCS Clustering. + Experience with… more
    Leidos (12/20/25)
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  • Senior Cloud System

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs...Active Directory and networking + Proven experience as a System Administrator or Cloud Engineer with practical… more
    ManTech (12/10/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job...system infrastructure and any processes related to these systems . The Senior Systems ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide...Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (12/02/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. ... active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (10/08/25)
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  • Mid/ Senior System

    Belay Technologies (Annapolis Junction, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support for ... The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots,...+ VPC, EC2, S3 + Linux and Windows operating systems + CentOS, RedHat, Windows 10, Window Server more
    Belay Technologies (11/19/25)
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  • Senior Linux System

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... be substituted for a Bachelor's degree. + 15+ years of experience as a System Administrator or related experience in programs and contracts of similar scope,… more
    ManTech (12/25/25)
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