• Sr. Systems Administrator/Task Lead/Manager

    General Dynamics Information Technology (Macdill AFB, FL)
    …requires Task Lead/Management experience. + Strong experience with Linux /Unix and Windows -based systems administration . + Requires prior and proven Task ... to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Information Technology (IT) Systems more
    General Dynamics Information Technology (05/13/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …minimum of twenty (20) years of related experience in systems administration or IT operations. + Experience with Linux , including installation, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance… more
    ManTech (07/15/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …system uptime. Required Qualifications: * Experience: Minimum of 10 years in systems administration roles * Education: Master's degree or Bachelor's degree ... Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Systems Administrator ( Windows )…

    Tyto Athene (Doral, FL)
    …of experience in system administration , configuration, and support + Proficient with Windows Server and Linux environments + Hands-on with VMware or Hyper-V ... System Administrator is responsible for configuring, installing and maintaining enterprise-level Windows systems in accordance with DoD security policies for… more
    Tyto Athene (07/28/25)
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  • Sr. Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …Security, GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation ... primarily Bash and Python **Qualifications We Prefer:** + Deployment and administration of systems , storage, and networking in virtualized environments… more
    RTX Corporation (07/19/25)
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  • Senior Linux Administrator - TS/SCI w/Poly

    Amentum (Linthicum, MD)
    …+ Four years of experience in one or a combination of the following areas: + Systems Administration + Systems Integration + Network Administration + ... + Working knowledge of several of the following technologies: + Microsoft Windows , Linux , Solaris, Cisco IOS, Active Directory, DNS, VMWare, Disk… more
    Amentum (06/28/25)
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  • 271 - Senior Network Engineer

    ARSIEM (Annapolis Junction, MD)
    …of virtualized infrastructure, including multi-node and multi-site networks + Recent experience with Linux and Windows operating systems (command line a ... you work with. ARSIEM is looking for a Network Systems Engineer . This position will support one of...+ Use Network Engineering, System Administrator, and command line Linux skills to maintain a full and robust multi-server… more
    ARSIEM (05/15/25)
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  • Data Center Engineer (Infrastructure/Cloud)

    KBR (Fulton, MD)
    …and integration for both physical and virtual infrastructure hosting one or more Operating Systems : Windows , Linux , Solaris, UNIX, and/or AIX systems . ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.… more
    KBR (07/16/25)
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  • Sr. Unix/ Linux Engineer - TS/SCI with FS…

    Optiv (Columbia, MD)
    …degrees and/or equivalent experience and 8 years of work experience with UNIX/ LINUX administration . + Experience with Privileged Access Management (PAM) ... system. + Support Delinea (Centrify) requests utilizing existing ticketing systems and queues. + Ensure compliance with all customer...Identity Software solutions. + Experience and working knowledge of Linux , Windows , and Windows Active… more
    Optiv (06/07/25)
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  • Systems Administrator 3

    Huntington Ingalls Industries (Langley AFB, VA)
    …Diploma or equivalent and 10 years relevant experience. + Experience configuring and managing Linux , Unix, and Windows operating systems + Experience with ... and ensure service/application delivery for operations Enable and execute systems /data backup & recovery Essential Job Responsibilities Maintains smooth operation… more
    Huntington Ingalls Industries (07/30/25)
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