• Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Critical Systems,Enterprise Systems,Software Updates,System Administration,Technical Issues **Certifications:** CompTIA Security + CE | CompTIA - CompTIA, Red Hat ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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  • Principal Systems Administrator

    ManTech (Chantilly, VA)
    …related authentication technologies. + Maintain system documentation, configuration management, and security baselines in tools such as GitLab and Confluence. ... MANTECH is seeking a talented Principal Systems Administrator to join our sustainment team in Chantilly,...+ Monitor system performance, health, and availability using enterprise tools such as ServiceNow and JIRA. + Collaborate with… more
    ManTech (11/21/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    …and audit readiness skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security + CE). + Familiarity with tools such as STIG Viewer, eMASS, and HBSS ... This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an… more
    ENS Solutions (09/27/25)
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  • NMLRC System Integrator/ Tester and NMO Fleet…

    CACI International (Norfolk, VA)
    NMLRC System Integrator/ Tester and NMO Fleet Support System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to ... peripherals) * Maintaining installation procedures for NMRLC Applications * Applying security updates and patches to test systems * Scheduling on-base visits… more
    CACI International (11/15/25)
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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …and Operations **Skills:** Linux,System Administration,Windows Applications **Certifications:** CompTIA Security + - CERTIFICATION - CERTIFICATION **Experience:** 3 + ... Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to support a critical… more
    General Dynamics Information Technology (10/14/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information System Security ... cutting edge cybersecurity and system integration services to the US National Security market. We are seeking a motivated self-starter with experience in secure… more
    Tau Six (10/22/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    **Your Impact:** Are you interested in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further. Amentum is seeking a **Senior ... System Administrator ** to join our team of passionate individuals in...projects that make a direct impact on the Nation's security and intelligence mission. **Responsibilities:** * Provide support for… more
    Amentum (11/20/25)
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  • Senior Network Administrator

    Spectrum Comm Inc (Falls Church, VA)
    The Senior Network Administrator manages and maintains the headquarters' network infrastructure, ensuring high availability, performance, and security . This ... appliances. + Monitor and optimize network performance using approved monitoring tools . + Coordinate network architecture changes in compliance with security more
    Spectrum Comm Inc (11/07/25)
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  • Database Administrator - Active TS/SCI…

    ENS Solutions (Mclean, VA)
    As a highly skilled Database Administrator (DBA), you'll bring your expertise in Microsoft SQL Server and a solid understanding of Identity, Credential, and Access ... our database environments supporting ICAM implementations, ensuring data integrity, security , availability, and performance. You will expand your expertise, as… more
    ENS Solutions (10/24/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …Operation within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the ... and all configurations. + Plan, coordinate, and implement network security measures in order to protect data, software, and...degree. + IAT Level II Baseline Certification (eg CCNA Security , CySA+, GICSP, GSEC, Security + CE, CND,… more
    Leidos (10/03/25)
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