• Network/ Systems Administrator

    Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... related applications. Design, configure, implement, and maintain the secure operating systems , networks, and applications for the SPF classified NSS. **Position… more
    Argonne National Laboratory (11/22/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... Windows patching in an operational environment + Ensure all Linux and Windows-based systems are running current versions of antivirus software with current virus… more
    General Dynamics Information Technology (12/06/25)
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  • Systems Administrator

    Robert Half Technology (Jamaica, NY)
    Description We are looking for a skilled Systems Administrator to join our team in Jamaica, New York. In this role, you will ensure the seamless operation of our ... IT systems , including servers and networks, while providing Level 2...training to other departments. Your responsibilities will include maintaining system security, optimizing performance, and addressing technical issues to… more
    Robert Half Technology (12/17/25)
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  • Systems Administrator - EcoSys…

    Robert Half Technology (Houston, TX)
    Description We are looking for a highly skilled Systems Administrator to oversee and enhance critical project cost systems for large-scale export ... administration, configuration, and enhancements. * Strong background in software development and system architecture. * Proficiency...* Strong background in software development and system architecture. * Proficiency in REST API, SQL, and… more
    Robert Half Technology (01/11/26)
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  • Cleared Systems Administrator

    Colossal Contracting, LLC (Albany, NY)
    Cleared Systems Administrator Albany, NY (http://maps.google.com/maps?q=US+Hwy+Reservation+Atomic+Proj+Ballston+Spa+NY+USA+12020) * Engineering Description ... will be a full-time employee whose primary responsibility will be providing system administrative coverage for equipment and software . Essential Duties &… more
    Colossal Contracting, LLC (11/12/25)
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  • Unix/Linux Systems Administrator

    Carnegie Mellon University (Pittsburgh, PA)
    …Facilities department within the School of Computer Science seeks a UNIX/Linux System Administrator with experience in DevOps practices to contribute your ... role, you will support desktops, project servers, and high-performance computing systems , ensuring reliability and scalability across diverse environments. This role… more
    Carnegie Mellon University (01/08/26)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in...updates, IAVAs, and configuration changes) + Able to perform system administration on Linux Redhat 8/Rocky 8 (Command Line)… more
    ManTech (12/31/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in Ft. Meade, MD. **Responsibilities ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing… more
    ManTech (12/28/25)
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  • Virtual Platform Administrator

    TekSynap (MA)
    …Cloud Operations + Red Hat Certified Engineer (RHCE) + Red Hat Certified System Administrator (RHCSA) **Experience** + Minimum of seven (7) years of ... on hosts, hypervisors, and virtual infrastructure. + Create and maintain accurate system documentation for assigned systems , including tracking changes to… more
    TekSynap (11/15/25)
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  • Intermediate Classified Systems

    The MITRE Corporation (Bedford, MA)
    …Department Summary: MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful candidate will be delivering timely, ... requests while adhering to established SLAs (Service Level Agreements). + System Administration: Perform routine maintenance tasks, such as user account management,… more
    The MITRE Corporation (11/01/25)
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