• Sr. Systems Administrator TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …users and technical staff (developers, testers, engineers, etc.). + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory. + Must have ... Summary:** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with… more
    Leidos (07/23/25)
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  • System Admin Engineer - Level 4

    Lockheed Martin (St. Mary's County, MD)
    …UAV Technology Experience Admin experience with Cisco, Juniper, Linux or RHEL, Windows , Windows Server , ESXi, networking\. Network Administration ... field \(preferably Electrical Engineering\) OR appropriate, equivalent and applicable system admin /IT experience from desired skills below in lieu of degree\.… more
    Lockheed Martin (07/12/25)
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  • ArcGIS Administrator

    Leidos (Baltimore, MD)
    …(PostgreSQL, Microsoft SQL Server , or DB2), Scripting (Python, PowerShell), Windows Server Administration , Incident/Ticketing System (ServiceNow, Jira). ... languages like Python, or PowerShell + Hands-on experience installing/administering/troubleshooting Windows Server 2022 + Excellent communication and written… more
    Leidos (08/02/25)
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  • Systems Engineer - Active Directory

    CACI International (Annapolis Junction, MD)
    …PKI. + Proficiency in Windows Server (2008R2 - 2016) and Windows 10 administration . + Strong PowerShell scripting capabilities. + IAT Level 2 ... complex Active Directory and Azure environments. + Troubleshoot and optimize advanced Windows Server and Active Directory configurations. + Offer expert… more
    CACI International (07/23/25)
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  • System Administrator

    KBR (Lexington Park, MD)
    …network environment for applications, databases, integrations, or infrastructure as assigned. Support Windows Server builds and have the ability to harden ... servers, using ACAS/Nessus vulnerability management to maintain compliance. Support Windows Server performance monitoring, including monitoring disk space,… more
    KBR (07/02/25)
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  • Sr. Principal NetApp Storage Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …- creation, modeling, and maintenance. + DNS Server administration . + DHCP Server administration . + Windows Server Update Servers (WSUS), SCCM, ... operational activities of the entire IT infrastructure including Servers ( Windows & Linux), Workstations ( Windows & Linux),...senior technical resource for the rest of the System Administration team; often taking on the mentorship and guidance… more
    Northrop Grumman (07/18/25)
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  • Senior Electronic Security Services Technician

    AECOM (Baltimore, MD)
    …+ Experience with system commissioning, diagnostics, and troubleshooting + Experience with Windows Server administration , Active Directory, and Microsoft SQL ... DC The selected candidate will work on large-scale video management systems, server administration , and system integration in transit environments. They will… more
    AECOM (07/15/25)
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  • Systems Engineer 4

    M. C. Dean (Annapolis Junction, MD)
    …core platforms and services: + VMware ESXi and vSphere. + Microsoft Windows Server 2016 and 2019 Deployment and Administration . + Microsoft Windows 10 ... Deployment and Administration . + DNS, DFS, and DHCP. + Windows Server Update Services (WSUS), Key Management Service (KMS) + Active Directory and defining,… more
    M. C. Dean (07/15/25)
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  • IT Operations Manager

    Leidos (Bethesda, MD)
    …required. + Skills: Familiarity with DevSecOps pipelines and cloud environments. Experience with Windows administration , including Windows 10, DISA SHB, and ... of tasks and proper documentation of processes, including network diagrams, server configurations, and how-to guides. + Leadership and Coordination: + Provide… more
    Leidos (06/14/25)
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  • Systems Administrator

    ManTech (Hanover, MD)
    …all enterprise users. **Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, ... it + Proficiency in administering Linux operating systems. + Experience with Windows Server 2022 administration , including Active Directory and networking +… more
    ManTech (08/02/25)
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