• 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, ... systems , and network engineering services to support...UAM. + Responsible for user-level support, including interacting with system -savvy developers and analysts, resolving network , computer,… more
    ARSIEM (10/30/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented **Linux System Administrator ** to join our team located in the Fort Meade, MD area. ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (10/16/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the **Fort Meade, MD** area. ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (11/19/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    system hardening, vulnerability assessment, OS patching and general network administration across various computing systems . Coordinating IT operations ... defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program… more
    Nightwing (09/22/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Windows** ** Systems Administrator ** to join our team in **College Park, Maryland** . The position ... internal customers + Manages and maintains Windows VMs and operating systems , including installation, configuration, integrity checks, network configuration, and… more
    ManTech (10/14/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the **Ft. Meade, MD** area. ... in computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a… more
    ManTech (11/03/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... management and internal customers for escalated tickets + Loads operating system software, troubleshoots, maintains integrity and configures network components… more
    Assertive Professionals (09/25/25)
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  • Information Technology Customer Support Specialist

    KBR (Bethesda, MD)
    …or related field. + Must have at least 2 years of experience as a local area network (LAN) Systems administrator . + Requires at least 2 years of experience ... users for account administration, distribution of software and documentation, system / network status, and problem entry, via problem...in the use of the internet and computer operating systems at an administrator level. + Must… more
    KBR (11/19/25)
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  • Principal Contract Administrator (Security…

    Northrop Grumman (Baltimore, MD)
    …Grumman Mission Systems Sector is seeking a **Principal** **Co** **ntract Administrator ** to join our growing team in **Linthicum, MD** . **What You Will ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...information. + Ability to obtain and maintain a DoD Top - Secret clearance + Experience using SAP +… more
    Northrop Grumman (09/24/25)
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  • System Administrator ( All Levels)

    Lentech, Inc (Fort Meade, MD)
    …manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manages IT system infrastructure and any processes related… more
    Lentech, Inc (10/07/25)
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