• Senior ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    …Relational Databases (Oracle and/or PostgreSQL, Scripting (Python, PowerShell), Windows Server Administration, Incident/Ticketing System (ServiceNow, Jira). ... **Description** Leidos is seeking a ** Senior ** **ArcGIS Administrato** **r** **in Fort Belvoir, VA**...analysis, maps, services, and applications. + 2-3+ years of Windows Server experience. + 2-3 years of… more
    Leidos (10/01/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …configuration, and maintenance in a secure IT environment including one or more of Windows 7, Windows I 0, Windows Server 2008 R2, Windows Server ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...2012, Windows Server 2012 R2, Windows Server 2016 + Designing and operating… more
    Assertive Professionals (10/09/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …+ Manage, maintain, deploy, and support Citrix solutions within a mixed Windows Server 2019/2022 enterprise environment. + Design, install, and maintain ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific...CompTIA Security+. + Computing Environment (CE) Certification (ie, MCSE, Server +, CCNA, RedHat, Palo, etc.) - can be waived… more
    TekSynap (10/25/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …IP-based network communication. + Installation and configuration experience of backup SW with Windows Server 2019, Solaris 11, RedHat Enterprise Linux 7 and ... Manage, maintain, deploy, troubleshoot, and support enterprise storage systems and associated server environments. + Collaborate with OS and Storage teams to support… more
    TekSynap (10/25/25)
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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 ... equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support for… more
    ManTech (11/19/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... computer system network administration activities. + Experience in Microsoft Windows computer operating systems, LINUX operating systems, CISCO Systems, computer… more
    SimIS Inc. (11/06/25)
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  • Senior Sharepoint Administrator

    Deloitte (Richmond, VA)
    …support. Qualifications + 5+ years of experience in Information Technology supporting Windows environments + 3-5 years of experience as a SharePoint Administrator ... Designer, Power Automate, and InfoPath. + Understanding of Active Directory, IIS, and SQL Server as they relate to SharePoint. + Exposure to Entra ID (Azure AD)… more
    Deloitte (10/28/25)
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  • Systems Administrator 2 (Bluemont, VA)

    William C Brown Inc (Springfield, VA)
    …+ Experience with installation and configuration of various operating systems including: Microsoft Windows Server 2008R2/2012R2, Windows 7, VMWare ESXi, Red ... protected by law. Description WCBinc is looking for a Sr . Systems Administrator to provide support for...Powershell and Linux shell + Experience supporting multiple Microsoft Windows Server 2003/2008/2012 active directory domains. +… more
    William C Brown Inc (10/23/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …operations with distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network ... position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy Training… more
    SimIS Inc. (09/22/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    …leveraging expertise in high-level problem-solving. + Install, configure, and manage Windows Server operating systems, adhering to organizational requirements ... **Req ID:** 38346 **Summary** **Systems Administrator ** **Arlington, VA** Are you ready to enhance...versatility in managing diverse environments. + Advanced proficiency in Windows Server , infrastructure management, PowerShell scripting, and… more
    Chenega Corporation (11/20/25)
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