• Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …clinical data warehouse team and a research data services team. The **_Senior Systems Administrator / Engineer ,_** as a member of the Scientific Computing ... is the principal technology expert for Windows and Linux systems , and help support high-performance computing...System is one of the largest academic medical systems in the New York metro area, with more… more
    Mount Sinai Health System (09/22/25)
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  • Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …in enterprise patch management and system administration across multiple operating systems , including Red Hat Enterprise Linux (RHEL), Ubuntu, and macOS. The ... macOS systems in an enterprise environment, including integration with Linux infrastructure * Perform system installations, configurations, upgrades, and… more
    Huntington Ingalls Industries (11/14/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, ... Diagnostics and Mitigation (CDM) practices. **Preferred Qualifications:** + Microsoft Certified Systems Administrator / Engineer (MCSA/MCSE) or equivalent (eg,… more
    ManTech (11/05/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented ** Linux ** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a ... but are not limited to:** + Configure and manage Linux operating systems . Installs/loads operating system...or university with 12+ years of experience as a System Engineer supporting programs and contracts of… more
    ManTech (11/21/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... by CACI, Inc! We have an opening for a ** Linux Systems Administrator ** with an...* IAVA Patching * STE/STN **_Desired:_** * Redhat Certified Engineer (RedHat Enterprise Linux installation (RHEL): expert… more
    CACI International (10/29/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (10/16/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …(IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification. * ... Linux Administrator Job Category: Information Technology...team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national… more
    CACI International (11/13/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide ... Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat **Experience:**...system administration support for Linux operating systems including installing software, applying… more
    General Dynamics Information Technology (10/25/25)
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  • Linux System Administrator

    CACI International (Wright Patterson AFB, OH)
    Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... * * * **The Opportunity:** CACI is seeking a ** System Administrator ** to support operations and maintenance...systems **Qualifications:** _Required_ + Security+ Red Hat Certified System Admin (RHCSA) or ability to earn within 6… more
    CACI International (10/25/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the Fort Meade, MD area. ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (11/22/25)
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