• Senior Technical Administrator

    Compass Group, North America (Dorchester, MA)
    …infrastructures, driving digital transformation, and much more. **Job Summary** The Senior Technology Administrator position is responsible for providing ... represent the user perspective in all technical operations and project activities. The Senior Technology Administrator works as a member of the Technology… more
    Compass Group, North America (09/18/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... environment. + Experience with Windows Server internals or Linux fundamentals to include DNS,...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (11/13/25)
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  • Senior Systems Administrator

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and validation,… more
    SimIS Inc. (09/22/25)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in Computer… more
    General Dynamics Information Technology (12/11/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and workstation support. + Experience with troubleshooting, patching, and support Linux, ESXi and Windows Systems . + Work as a team member in a fast-paced ... candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/ Windows more
    RTX Corporation (09/26/25)
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  • Sr. Systems Administrator (Onsite…

    Community Health Systems (Franklin, TN)
    **Job Summary** NOC Senior System Administrator NOC Senior System Administrator proactively monitors performance and availability of applications, ... Knowledgeable of TCP/IP and the OSI Model + Knowledge of Windows /Linux/Unix operating systems + Expertise with common troubleshooting techniques such as ping,… more
    Community Health Systems (12/05/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... Viewed as an expert in the field. Participates with senior management to establish strategic plans and objectives. **PROBLEM...deployment of new technologies and upgrades + Experience with Windows Server 2016 and later operating systems ,… more
    SAIC (11/19/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …NGA enterprise. * Senior level experience managing and administering Linux/ Windows based systems including patching, updates, and configuration management. * ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...Provide support for implementation, troubleshooting, and maintenance of cloud systems * Isolate and resolve problems involving the applications,… more
    Amentum (11/20/25)
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  • Senior Network Administrator

    HO Penn Machinery Company (Poughkeepsie, NY)
    HO Penn Machinery HIRING IMMEDIATELY Senior Network Administrator Poughkeepsie, NY Pay : $76,000-$98,000/year (dependent on relevant experience) Bonus : 5% bonus ... systems + Experience administering and supporting Microsoft 365, Entra, Intune, Exchange, Windows Server, and IBM i systems preferred + Proficiency with… more
    HO Penn Machinery Company (11/18/25)
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