• 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 & ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission… more
    Leidos (06/03/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Silver Spring, MD)
    …servers - Assess the stability, security , and scalability of Linux and Windows systems - Troubleshoot firewall and network policies (LAN, WAN, VPN) - Review ... Systems Administrator Location: Silver Spring, US... Systems Administrator Location: Silver Spring, US Job ID: ATR...errors - Manage user access and maintain server architecture security - Support staff and back-end system more
    Arena Technical Resources, LLC (07/22/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …troubleshooting, and maintenance of IT systems . + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile ... ManTech seeks a ** System Administrator ** to join our team...provide support for implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system more
    ManTech (07/15/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes.… more
    ManTech (07/26/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability and ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our...with patching and configuring systems , ensuring up-to-date security and optimal system performance. + Practical… more
    ManTech (06/07/25)
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  • Mid Level Linux Administrator

    Amentum (Hanover, MD)
    …providing feedback to security for vulnerabilities as well as non traditional system administrator function. This candidate will have the opportunity to work ... and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components… more
    Amentum (05/23/25)
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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 (06/24/25)
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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. ... adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems...IPA replacing human error and manual process + Analyze system and security logs while responding to… more
    ManTech (06/06/25)
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  • Field Engineer/Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    …the interview process. Job Description Enlighten is looking for a Field Engineer/Linux Systems Administrator to support operational systems at multiple ... to development teams and project managers. + Have a broad understanding of software systems , along with backup and monitoring software, network storage and file… more
    Huntington Ingalls Industries (08/08/25)
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  • System Administrator Level 3

    General Dynamics Information Technology (Annapolis Junction, MD)
    …management, implementation, and sustainment of compliance with applicable system security controls. + Provide support to IT systems including day-to-day ... UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components… more
    General Dynamics Information Technology (07/23/25)
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