• Cyber Security Analyst - SIEM and Linux

    BAE Systems (Norfolk, VA)
    …The successful candidate will be responsible for designing, implementing, and maintaining Linux systems and a Security Information and Event Management (SIEM) ... **Job Description** We are seeking a highly skilled Linux and Elastic Security SIEM Engineer ...Guides (SRGs). Key Responsibilities: + Design, implement, and maintain Linux systems , including Red Hat Enterprise … more
    BAE Systems (09/20/25)
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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 ... & Management * Design, implement, and maintain enterprise Linux systems running RHEL and Ubuntu distributions...years relevant experience. * Minimum 5 years of progressive Linux administration experience * Minimum 3 years… more
    Huntington Ingalls Industries (11/14/25)
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  • Senior Systems Administrator - Windows/…

    ManTech (Fairmont, WV)
    …pipelines across both Windows and Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture and support the migration of ... + Bachelor's degree and 4+ years of experience in Systems Administration , with demonstrated expertise in both...or equivalent (eg, Azure Administrator). + Red Hat Certified Engineer (RHCE) or equivalent advanced Linux certification.… more
    ManTech (11/05/25)
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  • Senior Systems Administrator - Windows/…

    Mount Sinai Health System (New York, NY)
    …Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in ... team and a research data services team. The **_Senior Systems Administrator/ Engineer ,_** as a member of the...and metrics, etc. The infrastructure includes both Windows and Linux systems with file servers in multiple… more
    Mount Sinai Health System (09/22/25)
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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 Type: ... by CACI, Inc! We have an opening for a ** Linux Systems Administrator** with an active TS/SCI...Level 3. **Requirements:** * TS/SCI with polygraph * Heavy Linux administration experience. * Experience using Ansible… more
    CACI International (10/29/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for Linux operating systems including installing software, ... managing RHEL 7 and RHEL 8 Linux servers + Highly versed in Linux administration and best practices + Familiar with enterprise network architectures +… more
    General Dynamics Information Technology (10/25/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux /Unix System Administrator position available who will be providing Information Technology ... development, testing, and production environments. Specific Duties: + Perform system administration for enterprise Linux /Unix OS solutions. + Install, configure,… more
    S4 Inc. (10/08/25)
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  • Systems Administrator

    Robert Half Technology (Manchester, NH)
    Description Join our team as a Devops Engineer / Linux Systems Administrator, where you'll maintain and optimize a Linux -based infrastructure, ensuring ... process, turning code into deployment magic. Responsibilities: Manage and troubleshoot Linux systems with ninja-like precision. Build, maintain, and optimize… more
    Robert Half Technology (09/25/25)
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  • Linux OS Developer

    CACI International (VA)
    …on and for immutable operating systems . **More About the Role** As a Linux Engineer /Developer, you will work alongside our Linux developers your primary ... responsibility will be to develop and maintain software applications that run on Linux -based operating systems . Your daily tasks will include: + **Developing … more
    CACI International (10/28/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …IT Operations team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national security operations. This ... eligibility strongly preferred). * 5+ years of experience in Linux system administration (RHEL, CentOS, or Ubuntu...of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System… more
    CACI International (11/13/25)
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