• Senior Systems Administrator

    ChenMed (Miami, FL)
    …expanding and we need great people to join our team. The Senior Systems Administrator is responsible for the administration , management and health of all ... when available. The incumbent in this role, as a senior position within the IT Operations team, is accountable...with golden image creation, patching, and updated Microsoft & Linux operating systems in AWS + Maintains,… more
    ChenMed (09/18/25)
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  • Systems Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …considerable direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design and evaluation, ... Systems Administrator, Senior The Opportunity: Are...solution engineering, sof tware development, or system administration . You'll use your passion to… more
    BOOZ, ALLEN & HAMILTON, INC. (09/09/25)
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  • Principal/ Senior Principal Computer…

    Northrop Grumman (Roy, UT)
    …STIG, JAFAN, or JSIG information system environments. * Red hat System Administration certification(s). * Experience with NAS storage device ... + Evaluate proposed changes or additions to the information system , and advises the Information Systems Security...This role may be hired at the Principal or Senior Principal level, depending on how many years of… more
    Northrop Grumman (09/18/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …& Project Support_ + Serve as the operational backup for the senior systems engineer. + Participate in infrastructure and system upgrade projects. + Be ... You'll Do:** Step into a hybrid role where classic system administration meets cutting-edge infrastructure engineering. You'll...lieu of degree. + 3-5 years of experience in systems administration or infrastructure engineering roles. +… more
    Leidos (08/15/25)
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  • Senior Level-Cloud System…

    Leidos (Huntsville, AL)
    …Masters with 10-13 years of prior relevant experience + 3+ Years' experience with Linux Operating System Administration (ie, RHEL8, etc.) Experience in the ... work is ahead!** Leidos' Defense Systems Land Systems is seeking a **Cloud System Administrator**...with us today!** **Primary Responsibilities** + Manage and maintain Linux -based system and cloud infrastructure across development,… more
    Leidos (09/18/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Andover, MA)
    …or Mathematics (STEM) + Minimum five (5) years of prior relevant experience with systems administration of Windows or Linux Server Operating Systems ... the world. As part of the Test Environment Support Administration ( **TESA** ) team, you be working with...Azure + Troubleshooting ability with all Microsoft Windows and Linux systems to quickly return system… more
    RTX Corporation (09/13/25)
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  • Senior Information Systems…

    Concurrent Technologies Corporation (Huntsville, AL)
    …assessment, risk analysis, risk management, certification, security awareness, system administration , networking, maintenance, and continuous monitoring ... Senior Information Systems Administrator Concurrent Technologies...your technical skills, and expand into cloud technologies and administration . Key Responsibilities: + Maintain current systems … more
    Concurrent Technologies Corporation (09/07/25)
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  • Senior HPC Administrator (High Performance…

    Mount Sinai Health System (New York, NY)
    …PhD preferred + 8+ years (higher preferred) of progressive HPC system administration and operations (preferably in a Redhat/CentOS Linux administration , ... system advantages/disadvantages and tradeoffs. + Designs, develops, implements system administration tasks, including hardware and software configuration,… more
    Mount Sinai Health System (08/16/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …start to obtain it + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory ... and contracts of similar scope and complexity + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, Engineering… more
    ManTech (09/10/25)
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  • Senior Information Security System…

    Citigroup (Irving, TX)
    …**Qualifications:** + 6+ years of relevant experience + BS/CS - or equivalent experience + Administration of Linux and Splunk + Strong understanding of Linux ... growth and progress together. The Info Sec Tech Lead Analyst is a senior level professional position responsible for driving efforts to prevent, monitor and respond… more
    Citigroup (08/23/25)
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