• Infrastructure Administrator

    Axxum Technologies (Rancho Cordova, CA)
    …similar role - IT administration, network management. + Strong knowledge of Windows/ Linux operating systems , networking protocols, and IT security principles. + ... Infrastructure Administrator Location: Rancho Cordova, CA Onsite KEY RESPONSIBILITIES...IT team as needed. + Maintain and troubleshoot IT systems , including servers, networks, and end-user devices (PCs, peripherals,… more
    Axxum Technologies (09/19/25)
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  • Senior Database Administrator

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Database Administrator ** to join our team in **Reston, VA** . This is an **onsite** position. ... The **Database Administrator ** will work to determine, implement, and maintain the...travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain systems . **Duties, Tasks & Responsibilities** + Participating in the… more
    ManTech (09/01/25)
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  • System Administrator 2

    Synergy ECP (MD)
    System Administrator 2 MD Description Member of a cross-functional team providing Windows systems administration/engineering expertise and guidance for a ... instantiations. Experience installing and maintaining MS Windows Server (2012/2016), Active Directory, scripting (batch, VBScript, PowerShell, etc), MS Windows… more
    Synergy ECP (10/15/25)
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  • Training Simulator System Administrator

    Lockheed Martin (Orlando, FL)
    …sustainment, maintenance, and operations benefiting the Finnish Air Force\. The Systems Administrator will support the sustainment, maintenance, and operation ... industry\. **THE WORK** At Lockheed Martin Rotary and Mission Systems , we are driven by innovation and integrity\. We...a foreign country as a Training System Simulator System Administrator for the F\-35\. The successful candidate will support… more
    Lockheed Martin (11/09/25)
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  • System Administrator Multi-Disciplined

    RTX Corporation (El Segundo, CA)
    …enterprise suites. **Qualifications We Prefer:** + Red Hat Enterprise Server, Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (09/24/25)
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  • Data Analytics Visualization Administrator

    BigBear.ai (Annapolis Junction, MD)
    …Windows, Linux , and scripting for automation. + Experience configuring Active Directory, SAML, and PKI authentication. + Background in administering operational ... At BigBear.ai we're seeking a highly skilled Visualization Tool Administrator /Integrator to support, optimize, and secure our enterprise analytics...is the role for you. Required to have an Active TS/SCI with poly clearance. What you will do… more
    BigBear.ai (11/20/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior ... System Administrators to ensure the confidentiality, integrity, and availability of IT systems and applications within their assigned area + Develop leadership in… more
    RTX Corporation (10/24/25)
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  • System Administrator

    ProSphere Tek (Tacoma, WA)
    …to substantially improve your skills and experience? PSI is seeking a System Administrator with an active Top Secret/SCI clearance to support our Army ... Word, Excel, Access, PowerPoint and SharePoint. + Working knowledge of operating systems : UNIX (Sun Solaris, SUNOS), LINUX , Microsoft Windows OS (current… more
    ProSphere Tek (10/31/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    …Experience with: o Configuration and Maintenance of Virtual Machines ? VCenter/VMWare o Linux and Windows operating systems ? CentOS, RedHat, Windows 10, Window ... Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled… more
    Synergy ECP (10/15/25)
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  • Senior M365 Administrator

    PSEG Long Island (Bethpage, NY)
    …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 accounts ... and Teams + Implement and manage Microsoft 365 solutions, including migration from on-premises systems to the cloud + Provide Tier 2 support within the Microsoft 365… more
    PSEG Long Island (10/01/25)
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