• System Administrator - Active Secret…

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... such as STIG Viewer, eMASS, and HBSS is a plus. Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT… more
    ENS Solutions (12/27/25)
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  • Systems Administrator

    Robert Half Technology (San Antonio, TX)
    Description We are looking for an experienced Systems Administrator to join our team in San Antonio, Texas. This contract position offers an excellent opportunity to ... * Manage and support Windows Active Directory environments, including storage, network infrastructure, and backup systems. * Operate and maintain monitoring and… more
    Robert Half Technology (12/27/25)
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  • Secret Server Administrator - Active TS/SCI…

    ENS Solutions (Colorado Springs, CO)
    The Secret Server Administrator will perform a variety of functions supporting multiple Secret Server Deployments. Responsibilities include: tools deployment and ... Server Administration and experience with Windows Active Directory. Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned,… more
    ENS Solutions (12/27/25)
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  • System Administrator

    System One (Quantico, VA)
    System Administrator Quantico, VA - ONSITE Compensation: $125,000 annually Security Clearance: Active TS/SCI is required Major Duties & Responsibilities: * Plan, ... computer systems, including physical and virtual servers, storage area networks and network attached storage on five enclaves. * Install, maintain, and troubleshoot… more
    System One (12/26/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... NIPRNET, SIPRNET, JWICS, and Special Access Systems. * Support replication of network file share volumes via Distributed File System with Replication (DFS-R) between… more
    System One (12/26/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …United States Infrastructure organization is currently seeking a **Senior Linux Systems Administrator ** to join the team in **Hazelwood, MO** . This role is ... with JSIG/RMF security requirements, including hardware and software installation, network configuration, and troubleshooting + Administer RedHat 7 and higher… more
    The Boeing Company (12/25/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... of IT systems. + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile devices. + Perform Tier 1 (Help Desk) and… more
    ManTech (12/24/25)
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  • Systems Administrator

    Robert Half Technology (Grand Island, NE)
    Description We are looking for a Systems Administrator (Junior - Mid) to join a growing and collaborative team, must be a self starter who can take a task and ... * Configure and maintain Cisco infrastructure technologies to support seamless network operations. * Implement and monitor firewall solutions to safeguard the… more
    Robert Half Technology (12/23/25)
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  • Systems Administrator

    Robert Half Technology (West Hollywood, CA)
    Description We are looking for a dedicated Systems Administrator to join our team in West Hollywood, California. This role requires a versatile individual with ... to ensure optimal performance and reliability. * Configure and manage network infrastructure, including LANs, Cisco routers, and firewalls. * Provide advanced… more
    Robert Half Technology (12/21/25)
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  • Infrastructure Engineer III -Data Science…

    Electric Power Research Institute (Charlotte, NC)
    **Job Title:** Infrastructure Engineer III -Data Science Administrator **Location:** Charlotte, NC **Job Summary and Description:** **Key Responsibilities** : + ... plans. + **Collaboration** : Partner with software development, DevOps, and network teams to support application deployments and troubleshoot issues. +… more
    Electric Power Research Institute (12/21/25)
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