• Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... key Operations and Maintenance (O&M) activities while leveraging strong technical expertise and collaborative problem-solving to maintain optimal system… more
    ManTech (12/13/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description Insight Global's SaaS Client is seeking a highly skilled Senior Systems Cloud Administrator with strong experience in Microsoft Azure, Windows ... standards. * Provide training or knowledge-sharing to IT operations and other technical teams. Systems Lifecycle & Backup * Perform builds, upgrades, and lifecycle… more
    Insight Global (12/04/25)
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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 ... network usage. Special Skills/Knowledge/Training Required: + BS Degree in a business, technical or engineering field. + Certification in LINUX operating systems +… more
    SimIS Inc. (11/06/25)
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  • Senior Citrix Administrator w/Secret…

    TekSynap (Radford, VA)
    …Director. + Execute system hardware and software implementations; maintain detailed technical instructions, SOPs, and policies. + Monitor, tune, and harden systems ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies (XenApp, NetScaler… more
    TekSynap (10/25/25)
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  • Senior Database Administrator

    Highmark Health (Richmond, VA)
    …Citizen (due to contractual/access requirements) We are seeking a Database Administrator with experience in PostgreSQL databases within Google Cloud Platform (GCP), ... + Take a lead role and participates in establishing and maintaining technical standards, departmental procedures, and other technical documentation as required.… more
    Highmark Health (10/28/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …software across enterprise infrastructure. + Create, update, and enforce team technical instructions, operating procedures, and policies. + Monitor and tune system ... **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation using PowerShell. +… more
    TekSynap (10/25/25)
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  • Senior ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a ** Senior ** **ArcGIS Administrato** **r** **in Fort Belvoir, VA** to support the DTRA Program. As a member of our high-performing ... Esri Portal and ArcGIS Server. + Design and implement solutions for complex technical challenges that affect multiple areas or disciplines. + Support the currently… more
    Leidos (01/09/26)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …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 ... Command. This position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification… more
    SimIS Inc. (12/22/25)
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  • Senior Cybersecurity Incident Response…

    TekSynap (Radford, VA)
    …years of experience in Cybersecurity, Incident Response, or closely related technical areas. + Extensive knowledge with **Army enterprise cybersecurity tools** , ... + Bachelor's degree in computer science, Information Security, or a related technical field-or equivalent years of experience. **Overview** We are seeking a … more
    TekSynap (10/25/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …in accordance with DISA ACAS Best Practices Guide. + Perform Security Technical Implementation Guide (STIG) compliance scans and generate reports to ensure systems ... Ports, Protocols, & Services Management (PPSM) support.. + Experience reviewing technical changes for security implications. + Proficient in account lifecycle… more
    TekSynap (10/25/25)
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