• Senior System Administrator

    RTX Corporation (Springfield, VA)
    …are eligible for a security clearance. + Minimum Security+ DoD 8570 certification. + System administration across Linux systems . + Experience in the ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (09/26/25)
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  • Senior HPC Administrator (High Performance…

    Mount Sinai Health System (New York, NY)
    …HPC system administration and operations (preferably in a Redhat/CentOS Linux administration, Batch HPC cluster environment) + Must be an expert troubleshooter; ... application, system , hardware, software, and network). Actively monitors the systems . + Maintains, tunes and manages computational, data, cloud technologies and… more
    Mount Sinai Health System (08/16/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Silver Spring, MD)
    Systems Administrator Location: Silver Spring, US Job ID: ATR 17335 Job Description Job Title: Systems Administrator Location: Silver Spring, MD - Hybrid ... servers - Assess the stability, security, and scalability of Linux and Windows systems - Troubleshoot firewall...firewall and network policies (LAN, WAN, VPN) - Review system error logs and user-reported errors - Manage user… more
    Arena Technical Resources, LLC (07/22/25)
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  • Systems Administrator (Windows)

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Bowhead seeks a Systems Administrator (Windows) to provide customer support and technical assistance ... at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). **Responsibilities** The Systems Administrator will be responsible for: + Answering questions… more
    UIC Government Services and the Bowhead Family of Companies (09/28/25)
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  • Low-Code Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Charleston, SC)
    Low-Code Systems Administrator , Mid The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, ... technology supporting Department of Navy? We're looking for a system administrator to spe cia lize in...administrator to spe cia lize in RedHat Enterprise Linux , who can leverage expertise in Appian and Pega… more
    BOOZ, ALLEN & HAMILTON, INC. (09/20/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    Systems Administrator Location: Langley, VA, US Job ID: ATR 17352 Job Description Job Title: Systems Administrator Location: Langley, VA Eligibility: ... for the upkeep, configuration and reliable operation of computer systems , As a Systems Administrator ,...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    Arena Technical Resources, LLC (10/07/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    William C Brown Inc (07/16/25)
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  • Principal Storage & Data Protection System…

    RTX Corporation (Tucson, AZ)
    …Experience working with Storage and Data Protection systems . + Experience with Linux Operating System . (RHEL preferred) + Experience with Windows operating ... complex DT infrastructure problems. As a **Senior Principal level System Administrator ,** this role will require a...your technical competence in multiple areas (such as Windows, Linux , virtualization, User Authentication, DNS, NFS, system … more
    RTX Corporation (09/24/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description... Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    Synergy ECP (07/23/25)
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  • Staff Cloud Systems Administrator…

    Northrop Grumman (Huntsville, AL)
    …Defense Systems has an exciting career opportunity for a Staff Cloud Systems Administrator to join our team of qualified, diverse individuals. This position ... located in Huntsville, AL. **Position Overview:** The selected Staff Systems Administrator will provide support for the...HP or Dell servers + 3+ Years' experience with Linux Operating System Administration (ie, RHEL8, etc.)… more
    Northrop Grumman (09/17/25)
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