• Senior Systems Administrator

    Leidos (Vienna, VA)
    …Apache Webserver, PostGres SQL/PostGIS, OMAR, OSSIM, RedHat LINUS, FreeIPA, Microsoft Windows Server , Microsoft Office, Microsoft Internet Information Service, ... **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This… more
    Leidos (07/29/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Operations **Skills:** Computer Backups,Information Technology (IT) Systems,Microsoft Windows Server ,System Administration **Certifications:** CompTIA Security+ ... At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today...**Essential Duties and Responsibilities:** + Plan, build, and upgrade Windows server systems across the organization. +… more
    General Dynamics Information Technology (09/30/25)
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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 (07/26/25)
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  • Sr . Directory Services Engineer

    Lincoln Financial (Richmond, VA)
    …and automation using PowerShell and MS Graph + Strong troubleshooting in Windows Server , Active Directory and authentication-related issues. + In-depth ... expertise and direction on complex projects/initiatives. Responsibilities of this Engineer/ Administrator role include designing, managing, maintaining and securing LFG's… more
    Lincoln Financial (09/03/25)
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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 (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 ... obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems. + End-User Support: Experience providing help-desk support… more
    ManTech (08/20/25)
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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. (08/07/25)
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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 (07/24/25)
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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:** 37805 **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 (09/26/25)
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