• Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/13/25)
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  • Linux Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …and keep you performing at your best. We are in search of a Linux Systems Administrator to: + Install, configure, and network UNIX and/or NT based platforms. + ... UNIX and NT based systems. \#LI-PB2 **Required Education, Experience, & Skills** + TS/SCI clearance with appropriate poly + Ability to work 100% onsite + The ideal… more
    BAE Systems (08/19/25)
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  • ACAS Systems Administrator

    Leidos (Adelphi, MD)
    …appropriate scan zones and repositories. + Provide Multi-Tiered ACAS administrator support. + Troubleshoot application errors, operating system(s), server hardware, ... network communications and storage allocation issues within the ACAS...(1) professional certification identified in DISA IASE IAT Level II DoD 8570.01 Approved Baseline and one (1) Cyber… more
    Leidos (08/09/25)
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  • Principal Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (07/31/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program networks in a ... troubleshooting, system hardening, vulnerability assessment, OS patching and general network administration across various computing systems. Coordinating IT operations… more
    Nightwing (06/24/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... a Deputy Program Manager for a contract located in Columbia, MD Clearance Required: TS/SCI w/ Polygraph + Provides support for implementation, troubleshooting and… more
    Synergy ECP (07/23/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities ... maintenance, configuration, and reliable operation of critical computer systems, network servers, and virtualization environments, upholding system stability and… more
    ManTech (06/07/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI)Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance ... compliance patching, software and hardware transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating… more
    FGS, LLC (08/23/25)
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  • Linux System Administrator

    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 ... Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to… more
    ManTech (07/23/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated and career-oriented **Linux** **Systems Administrator ** to join our team in **Laurel, MD** . You will be part of a dedicated team ... system software, troubleshoot system issues, maintain system integrity, configure network components, and implement OS enhancements to improve reliability and… more
    ManTech (08/22/25)
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