• System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... that utilizes complex equipment/systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems, VMware, etc.). + Must have experience… more
    Leidos (11/19/25)
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  • Jr./Mid-Level Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …that utilizes complex equipment/systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems, VMware, etc.). + Must have experience ... in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual...utilities used to create and configure network connections in Linux OS. + Must have experience implementing Windows more
    Belay Technologies (11/07/25)
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  • Principal Linux Systems…

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (11/19/25)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR ... + Five (5) years' or more of hands-on experience working with UNIX/ Linux and Windows . + Experience in DoD Information Assurance/Cyber policy and procedures to… more
    JHNA (08/26/25)
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  • Senior Linux Systems Administrator

    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 & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide...to 15 years. + **Technical Skills** : Experience with LINUX , Windows , AWS and Virtualization + **Security… more
    Leidos (09/26/25)
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  • Secret Linux System Administrator

    Insight Global (Baltimore, MD)
    …A client of Insight Global is looking for a Secret Cleared Linux System Administrator to join their team. As a Windows Systems Administrator for a ... team environment with other IT/technical professionals * Experience managing Linux OS and domain architecture in a classified environment,...that cannot be applied * Top Secret Clearance * Windows AD, LDAP, VMWare, and knowledge of SAN storage… more
    Insight Global (11/06/25)
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  • Senior Linux System Administrator

    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 ... or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP +...DoD 8750 and 8140 compliance requirements Technical Environment: + Windows Server + MCEM + MAC OS + RHEL,… more
    Black Bear Technology Solutions, LLC (11/21/25)
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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 (Intermediate-Level) to join our team at Aberdeen Proving ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator will be responsible for the installation,… more
    Link Solutions Inc (11/06/25)
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  • Senior Linux System Administrator

    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, ... perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved… more
    ManTech (10/14/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …5 additional years' experience might be substituted for a degree. + Heavy Windows and Linux administration experience + Highly proficient with Active Directory ... **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the Fort Meade, MD area.… more
    ManTech (11/22/25)
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