• Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    … upgrades. * Manages and troubleshoots multiple VMware environments. * Provides Windows Server and Linux administration , maintenance, and troubleshooting. * ... Sr. System Administrator Location: Reston, VA, US Job ID: ATR...Creates STIG compliant images for Windows Desktop, Windows Server, and Linux OS. *… more
    Arena Technical Resources, LLC (01/01/26)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …or interest in developing skills in the following technical areas: \* In\-depth systems administration experience with Windows \(including Active Directory\) ... active Top Secret clearance to start\. \#lmatl **Basic Qualifications:** \* In\-depth systems administration experience with Linux \* Demonstrated track record… more
    Lockheed Martin (10/22/25)
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  • System Administrator 2

    DCCA (Fort Meade, MD)
    …process. + Configure and manage Linux, UNIX and Windows operating systems and install/load operating system software, troubleshooting, maintain integrity and ... System Administrator 2 Location Fort Meade, MD Job...Key Tasks: DCCA is looking for TS/SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience!… more
    DCCA (11/21/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory and networking + ... enterprise users. **Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, including… more
    ManTech (12/24/25)
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  • Systems Administrator

    Robert Half Technology (Waukesha, WI)
    …performance and reliability. The ideal candidate will have a strong background in systems administration and a proven ability to troubleshoot and resolve ... security. * Oversee the configuration, maintenance, and optimization of Windows Server systems . * Provide support for...in managing Active Directory environments. * Strong expertise in Windows Server administration . * Familiarity with … more
    Robert Half Technology (12/18/25)
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  • Systems Engineer

    Robert Half Technology (Albuquerque, NM)
    …we modernize our technology platforms, this role helps bridge traditional systems administration with cloud-native operations, contributing to infrastructure ... Engineer will have: *Minimum of five years of experience in systems administration , infrastructure engineering, or cloud operations. *Hands-on experience with:… more
    Robert Half Technology (12/09/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    …the design and deployment of new technologies and upgrades + Experience with Windows Server 2016 and later operating systems , Microsoft Active Directory, DNS, ... **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across… more
    SAIC (11/19/25)
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  • Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    …of Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration , and a strong ... Security Methods and Techniques + Knowledge of DoD IT systems , to include Windows , RHEL, and comprehensive...concepts Education: + Bachelor's degree and 7+ years of System Administration /IT experience OR + HS Diploma… more
    Amentum (12/24/25)
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  • Enterprise Systems Administrator I

    Trace Systems Inc (Shaw AFB, SC)
    …configure, operate, manage, troubleshoot, repair, upgrade, inspect and maintain server systems (physical and virtual), including administration of core and ... and management of COTS licenses, warranties, service level agreements renewals for systems equipment and software; + Coordinate with system program offices… more
    Trace Systems Inc (11/14/25)
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  • Azure System Administrator

    Space Dynamics Laboratory (North Logan, UT)
    …access, policies, and compliance standards + Hardens and maintains Azure and Windows systems through patching, configuration baselines, identity controls, and ... environments (Azure AD, AVD, VMs, networking, storage, policies, RBAC) + Strong Windows administration skills, including Server 2016-2025, group policy, security… more
    Space Dynamics Laboratory (12/24/25)
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