• Senior Systems Administrator

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and validation,… more
    SimIS Inc. (06/23/25)
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  • Senior Enterprise Administrator

    Dominion Energy (Richmond, VA)
    Senior Enterprise Administrator Dominion Energy is committed to providing reliable, affordable, and increasingly clean energy that powers our customers every ... **Nearest Major Market:** Richmond **Job Segment:** Computer Science, System Administrator , Environmental Engineering, Information Systems , Linux, Technology,… more
    Dominion Energy (08/26/25)
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  • Senior Trellix/Microsoft Defender…

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a skilled ** Senior Trellix/Microsoft Defender Administrator in Fort Belvoir, VA** to join the I3TS team supporting DTRA. The ... candidate will be responsible for ensuring the security and integrity of IT systems by running their Endpoint Security with experience in Trellix and Microsoft… more
    Leidos (08/30/25)
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  • Senior Database Administrator

    GovCIO (Richmond, VA)
    **Overview** GovCIO is currently hiring for MULTIPLE ** Senior Database Administrator (s)** to support our customer, USPS' Network and Compute Technology (NCT) ... also have a strong working knowledge, experience and ability with UNIX and/or Microsoft Windows operating systems as well as other database technologies such as… more
    GovCIO (08/02/25)
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  • Classified Systems Administrator

    The MITRE Corporation (Mclean, VA)
    …and make a difference with us. Department Summary: The team seeks a full-time Senior Systems Administrator to support the deployment, operation, and ... who has prior experience working as a classified IT Systems Administrator . This is an on-premises position...Va campus. Roles & Responsibilities: + Building and hardening Windows , Linux, Hypervisor systems , such as VMware… more
    The MITRE Corporation (09/04/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …sharing. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in ... + Manage, maintain, deploy, and support Citrix solutions within a mixed Windows Server 2019/2022 enterprise environment. + Design, install, and maintain Citrix… more
    TekSynap (07/26/25)
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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 ,… more
    SimIS Inc. (08/07/25)
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  • Senior PKI Administrator

    GovCIO (Arlington, VA)
    …a related field such as Public Key Infrastructure, Infrastructure IT ( Systems Administration, Network Administration, Windows /Linux OS, Network Administration, ... USD $115,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6546/ senior -pki- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Arlington_ **ID** _2025-6546_ **Category** _IT… more
    GovCIO (09/04/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …**RESPONSIBILITIES** + Manage, maintain, deploy, troubleshoot, and support enterprise storage systems and associated server environments. + Collaborate with OS and ... Ensure the security, stability, and high availability of enterprise data storage systems . + Maintain storage and network policies and standards aligned with… more
    TekSynap (07/26/25)
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  • HBSS Systems Administrator - TS/SCI…

    TEKsystems (Fort Belvoir, VA)
    …test events throughout DTRA test ranges. ABOUT THE ROLE: TEKsystems is seeking a skilled Senior HBSS/MDE Administrator in Fort Belvoir, VA to join the I3TS team ... candidate will be responsible for ensuring the security and integrity of IT systems by running their Endpoint Security with experience in Trellix and Microsoft… more
    TEKsystems (09/03/25)
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