• Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …- Baseline DoD IA certification for system administrators. + RHCSA - Core Linux system administration certification. + Experienced with frequent use and ... disk usage, and response times to maintain operating efficiency. + Performs systems security administration functions, including creating user profiles and… more
    Parsons Corporation (11/15/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Forest, MS)
    …or Mathematics (STEM) + **Minimum** five (5) years of relevant experience with systems administration of Linux , Networking, and/or Windows (in desktop ... include Special Access Programs + Troubleshooting ability with all Microsoft Windows and Linux systems + Customer service and training skills, including oral and… more
    RTX Corporation (11/10/25)
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  • Systems Administrator

    Schrodinger (NY)
    …experience in a professional setting) + At least two years of experience in systems administration , IT operations, or a senior desktop support role + Proven ... We're seeking a ** Systems Administrator** to join us in our mission...diverse fleet of endpoints and servers (macOS, Windows, and Linux ), including provisioning, patching, and configuration management + Oversee… more
    Schrodinger (12/03/25)
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  • Systems Administrator

    Leidos (Piketon, OH)
    Systems Administrator to work independently with minimal supervision providing systems administration for the Infrastructure and Deactivation & Remediation ... troubleshooting of the IT infrastructure. **Primary Responsibilities** + Perform daily system administration , operation and maintenance support activities in… more
    Leidos (12/12/25)
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  • Senior Information System Security Engineer

    General Dynamics Information Technology (Reston, VA)
    … Security** **Engineer** Deliver security related solutions for enterprise information systems and network architectures as an Information System Security ... + Required Experience: 8+ years of related experience + Advanced Windows administration capabilities and Linux proficiency + Practical experience deploying,… more
    General Dynamics Information Technology (11/21/25)
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  • Systems Network Administrator

    Noblis (Atlantic City, NJ)
    …will plan, design, install, configure, and maintain laboratory IP networks and Linux systems , including virtual machine management and equipment monitoring using ... protocols + Experience planning, designing, implementing, and maintaining laboratory Linux systems , including virtual machine management and equipment… more
    Noblis (01/02/26)
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  • Systems Engineer

    Robert Half Technology (Jersey City, NJ)
    …and Druva. * Administer Windows Server environments, including failover clustering, and manage Linux systems such as Ubuntu and Debian. * Manage cloud ... City, New Jersey. The ideal candidate will oversee the administration and optimization of enterprise IT systems ,...endpoint security tools. * Expertise in administering Windows and Linux systems , as well as cloud platforms… more
    Robert Half Technology (01/07/26)
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  • Senior Systems Integration Engineer

    Leidos (Fort Meade, MD)
    …with RF and FORNSAT systems and various Systems Administration (SA) components, ensuring seamless virtualization, Linux environments, GOTS product ... and deploy GOTS (Government Off-The-Shelf) products, integrating them within complex system architectures. + Oversee Windows Server administration , including… more
    Leidos (01/06/26)
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  • Information System Security Manager

    Kratos Defense & Security Solutions, Inc. (Orlando, FL)
    …complex training simulation systems and mission-critical infrastructure + Proficiency in Linux system administration + Hands-on experience with Agile ... with CMMC and Risk Management Framework policies and procedures such as System Security Plans, Risk Assessment Reports, Plans of Actions and Milestones, Assessment… more
    Kratos Defense & Security Solutions, Inc. (12/27/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …and general troubleshooting and monitoring + Minimum of 10 years' experience in systems administration of hardware and software in support of developing and ... virtual environments (VMWare ESX, VCenter Administration ) + Experience in administration of Linux /Windows + Experience configuring and maintaining storage… more
    ManTech (11/03/25)
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