• Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …areas: \* In\-depth systems administration experience with Windows \(including Active Directory \) \* Experience administering OpenStack \* Windows/Linux ... Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to… more
    Lockheed Martin (07/12/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …IT Infrastructure and Operations **Skills:** IT Help Desk,Linux,Microsoft (MS) Active Directory (AD),System Administration,Windows 10 **Certifications:** CompTIA ... and support **Windows workstations and servers** (Windows 10, Server 2012/2016), including ** Active Directory ** , **Group Policy** , **DNS** , **DHCP** ,… more
    General Dynamics Information Technology (07/16/25)
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  • Senior PKI Administrator

    GovCIO (Arlington, VA)
    …IT (Systems Administration, Network Administration, Windows/Linux OS, Network Administration, Active Directory , and/or Virtualization + Familiarity with ... **Overview** GovCIO is currently hiring for a SeniorPKI Administrator with an active Secret clearance to issue and maintain a federal customer's Public Key… more
    GovCIO (09/04/25)
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  • Systems Administrator (Multiple Levels)

    Noblis (Chantilly, VA)
    …+ Proficiency with: + Windows and Linux operating systems + Windows Active Directory + Virtualization technologies (VSphere, VXRail, Proxmox) + Basic ... Responsibilities As a Systems Administrator , you will be responsible for installing, configuring,...critical incidents within designated resolution timelines Required Qualifications + Active Top Secret (TS) clearance with eligibility for Sensitive… more
    Noblis (09/03/25)
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  • Systems Administrator - Tier 3 Support

    GovCIO (Fairfax, VA)
    …+ Use tools and technologies as follows: Office 365 ProPlus, PowerShell, Azure, Active Directory , and vSphere; well versed on infrastructure tools and ... **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program.… more
    GovCIO (09/02/25)
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  • TSSCI Windows System Administrator

    Insight Global (Arlington, VA)
    …applying Local Security Policies Experience with Windows Task Scheduler Experience Managing Active Directory Prior experienced with DISA and DISA's support to ... Job Description An employer is looking for a TSSCI Windows System Administrator to sit in Rosslyn, VA. The person will be responsible to create, maintain, and… more
    Insight Global (09/25/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …a secure IT environment + Strong understanding of Group Policy Management and Active Directory in Windows environments + Writing standard operating procedures ... **MANTECH** seeks a motivated, career and customer-oriented **Systems Administrator ** to join our team onsite in **Norfolk, Virginia.** This is an **onsite**… more
    ManTech (09/10/25)
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  • Senior Linux Administrator -Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …TIA Security + Certified - CompTIA - CompTIA, Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack - Redhat Certified Systems Administration RHEL 9 ... IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services. GECOS uses… more
    General Dynamics Information Technology (08/22/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …Security Policies + Experience with Windows Task Scheduler + Experience Managing Active Directory + Experience with System (hardware) and application (software) ... **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office...may be considered in lieu of degree. + **An active TS/SCI security clearance is required for this position.**… more
    Leidos (07/18/25)
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  • Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …(CE) certification within 6 months of hire. **Required Technical Skills & Experience:** + Active Directory administration + DNS, DHCP, DFS, and LDAP + Windows ... 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 (07/16/25)
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