• Mid/Sr System Administrator

    Leidos (Annapolis Junction, MD)
    …and security architectures. + Must have experience or familiarity with the following systems : Windows / Linux operating systems , VMware, and Networking: ... Summary:** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with… more
    Leidos (09/27/25)
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  • Systems Engineer (IT@JH Enterprise )…

    Johns Hopkins University (Baltimore, MD)
    …(Cisco IronPorts), Listserv (Sympa), and Microsoft Exchange, which are hosted on Windows and Linux -based systems . **Job Scope/Complexity** Develop solutions ... and Medicine for all affiliations, including faculty, staff, students, and administrative departments. The role requires in-depth knowledge of various email… more
    Johns Hopkins University (09/27/25)
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  • Systems Engineer - #Staff

    Johns Hopkins University (Baltimore, MD)
    …(Cisco IronPorts), Listserv (Sympa), and Microsoft Exchange, which are hosted on Windows and Linux -based systems . Responsibilities include leading and ... and Medicine across all affiliations, including faculty, staff, students, and administrative departments. The role requires in-depth knowledge of various email… more
    Johns Hopkins University (07/31/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (California, MD)
    …can't wait. You Have: + 5+ years of experience configuring and managing Unix, Linux , or Windows operating systems , including installing or loading operating ... Systems Administrator The Opportunity: Your combination of people...Have: + Secret clearance + Bachelor's degree in System Administration , Network Administration , or a related technical… more
    BOOZ, ALLEN & HAMILTON, INC. (09/20/25)
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  • Fidelis Administrator - Active TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design ... resolve complex issues utilizing your knowledge of industry. Performs systems administration of cyber tools sets and...with operating and maintaining Microsoft Windows and Linux servers to include operating systems . +… more
    ENS Solutions (09/27/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …problems and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system ... + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and...+ Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture… more
    General Dynamics Information Technology (07/23/25)
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  • Systems Administrator IV - Pipeline (TS/SCI…

    COMSO, Inc (Fort Meade, MD)
    …and remains involved in the resolution process. + Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system ... + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and...+ Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture… more
    COMSO, Inc (09/02/25)
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  • Platform Engineer II - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …and maintenance on systems architecture related to the Citrix environment in Windows , UNIX, Linux systems + Collaborate with back-end application ... with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning solutions for workforce… more
    COMSO, Inc (09/02/25)
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  • Subject Matter Expert Satellite 3

    ARSIEM (Annapolis Junction, MD)
    …and improve threat software performance + Build and deploy software enhancements using Windows Operating Systems , Linux , and TCP/IP network + Coordinate ... support or related customer-interfacing technical lead. + Five (5) years of experience with Windows and Linux Operating System experience. + Two (2) years of… more
    ARSIEM (07/16/25)
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  • FLEX Cloud Infrastructure Security Automation…

    Marriott (Bethesda, MD)
    …education, certifications, and experience . 5+ years' experience with Linux and Windows systems administration and implementation of CIS or related ... temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER . Experience in securing Windows and Linux through hardening components according to CIS… more
    Marriott (07/16/25)
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