• Systems Administrator - Senior

    CACI International (Scott Air Force Base, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... investigation upon hire + Expert knowledge of various operating systems (eg, Windows Server , Linux , Unix) + Advanced expertise in network protocols, services,… more
    CACI International (09/15/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • Senior M365 Administrator

    PSEG Long Island (Bethpage, NY)
    …and overall health of a variety of cyber security tools within a Microsoft Windows, Linux and UNIX server environments. This role will manage and support M365 ... techniques. * Working knowledge and experience in supporting Microsoft Windows Server Operating Systems, Directory Services (AD), MS PKI (Certificates), DFS, and… more
    PSEG Long Island (10/01/25)
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  • Senior Database Administrator

    GovCIO (Carson City, NV)
    …to this job (https://careers-govcio.icims.com/jobs/6411/ senior -database- administrator sat-sun-off-days/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for MULTIPLE **Database Administrator (s)** to support our customer, USPS' Network and Compute Technology (NCT) group. The NCT… more
    GovCIO (09/07/25)
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  • Senior Systems Administrator

    Greene Tweed (Lansdale, PA)
    …of related experience successfully installing, maintaining, upgrading and migrating Windows and Linux server environments, preferably global. + Proficiency in: + ... and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise...and roles of VMWare, Hyper-V, DNS, DHCP, SQL, Terminal Server , FTP, etc. + Administration and security management of… more
    Greene Tweed (08/21/25)
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  • Sr Windows Server Technician

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    …and Responsibilities: - Acts as senior administrator for legacy Linux , Windows, and ESX server operations. Responsible for building, installation, and ... of this position must be US Citizens. Job Summary: Senior administrator , responsible for installation, configuration, and...systems during conversion to Active Directory. - Troubleshoots legacy Linux , Windows and ESX server and OS… more
    Navy Exchange Services (NEX) (09/26/25)
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  • Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …operationalization and deployment of new and emerging technologies.We're seeking a ** Senior Level System Administrator with specialized experience with VMWare** ... + Deep knowledge and experience with VMware vCenter, Cisco switches, VPNs, VLANs, Server Deployment. + Experience with enclaves and firewalls (eg, NSX, Cisco ASA). +… more
    Intrepid Solutions and Services (08/28/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support for common desktop… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... within 180 days. + System Experience: Experience with both Windows and Linux operating systems. + End-User Support: Experience providing help-desk support for common… more
    ManTech (08/20/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... Configuration and Maintenance of Virtual Machines ? VCenter/VMWare o Linux and Windows operating systems ? CentOS, RedHat, Windows...Windows operating systems ? CentOS, RedHat, Windows 10, Window Server o DNS Experience o Active Directory (AD) o… more
    Synergy ECP (07/16/25)
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