• Senior Security Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …- None - None **Experience:** 5 + years of related experience **Job Description:** **Senior Security Administrator ** Own your career as a Senior Security ... cyber defense using cutting-edge technologies. Your work in cyber security at GDIT will have an impact on securing...with statistics and functions. + Harden application and operating systems ( Linux /Windows Servers). + Conduct root cause… more
    General Dynamics Information Technology (09/29/25)
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  • Network/ System Administrator III

    P 11 Security, Inc. (Bedford, MA)
    Network/ System Administrator III Bedford, MA (http://maps.google.com/maps?q=N/A+Bedford+MA+USA+01731) Job Type Full-time Description The primary function will be ... COTS & GOTS products to collect, display and remediate a variety of automated system security and system operations/performance functions and metrics. +… more
    P 11 Security, Inc. (09/20/25)
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  • Senior HPC Administrator (High Performance…

    Mount Sinai Health System (New York, NY)
    …of regression tests), usage reporting, system performance (file systems , scheduler, interconnect, high availability, etc.), security , networking and ... HPC system administration and operations (preferably in a Redhat/CentOS Linux administration, Batch HPC cluster environment) + Must be an expert troubleshooter;… more
    Mount Sinai Health System (08/16/25)
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  • Network/ System Administrator…

    General Dynamics Information Technology (Bedford, MA)
    …COTS & GOTS products to collect, display and remediate a variety of automated system security and system operations/performance functions and metrics. + ... and integration. + Working knowledge of Risk Management Framework, Common Criteria, and System Security Policy as they relate to assessments and authorization. +… more
    General Dynamics Information Technology (09/02/25)
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  • System Administrator

    DCCA (Denver, CO)
    System Administrator Location Denver, CO Job...System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management ... compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active...possess 8570 IAT-II certifications (or higher) - baseline (ex. Security +) and CE (ex. Linux +) + … more
    DCCA (09/22/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 37805 **Summary** ** Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... interest of our nation. SecuriGence is seeking a talented ** Systems Administrator ** to help contribute to our...best practices. + Apply system and operating system patches to maintain security and ensure… more
    Chenega Corporation (09/26/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …management, implementation, and sustainment of compliance with applicable system security controls. + Provide support to IT systems including day-to-day ... System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description...and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    Synergy ECP (07/23/25)
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  • System Administrator

    Leidos (Arlington, VA)
    …role they play in secure operations. **Preferred Qualifications** + RedHat Certified System Administrator (RHCSA) certification. + Cisco Certified Network ... a combination of duties to protect information, and maintain security controls, for an entire system , site,...implement STIGs and SCAP benchmarks, and help keep our security posture audit ready. + **Maintain Secure Systems… more
    Leidos (09/12/25)
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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 ... will be located in Huntsville, AL. **Position Overview:** The selected Staff Systems Administrator will provide support for the Modeling and Simulation -… more
    Northrop Grumman (09/17/25)
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  • Systems Administrator 1

    Amentum (Annapolis Junction, MD)
    …impact on the Nation's security and intelligence mission. **Responsibilities:** Skilled Linux based System Administrator to support DevOps team. This ... If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of...operate customer applications and services + Collaborate with Information System Security Engineer and Officers (ISSE/O) to… more
    Amentum (07/19/25)
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