• Senior Microsoft 365 Administrator

    Insight Global (Herndon, VA)
    Job Description The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture, ... lead for M365-related projects, working closely with internal IT, Security , and business stakeholders. * Manage tenant-level configurations, including hybrid… more
    Insight Global (10/03/25)
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  • Contract Support Administrator

    KBR (Chantilly, VA)
    Title: Contract Support Administrator - Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...the country's most critical role - protecting our national security . Why Join Us? + Innovative Projects: KBR's work… more
    KBR (07/16/25)
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  • Senior Database Administrator

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career and customer-oriented ** Senior Database Administrator ** to join our Data and AI Practice. This position requires full-time ... databases, + Providing support for database management tasks, and + Ensuring data security and integrity. + Working closely with cloud infrastructure teams to ensure… more
    ManTech (08/21/25)
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  • Senior Network Administrator

    Spectrum Comm Inc (Falls Church, VA)
    The Senior Network Administrator manages and maintains the headquarters' network infrastructure, ensuring high availability, performance, and security . This ... tools. + Coordinate network architecture changes in compliance with security requirements. + Maintain and update network documentation. Requirements Required… more
    Spectrum Comm Inc (08/09/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . ... (ICD) implementation and maintenance of government systems interconnects + Ensure Security compliance requirements + Provide on-site tiered help desk support to… more
    Leidos (07/29/25)
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  • Senior Linux - Windows System…

    ICF (Reston, VA)
    …on a daily basis.** We are seeking a highly skilled, customer-facing Systems Administrator to support Linux and Windows environments for a critical Treasury program. ... operating systems, ensuring optimal system performance and adherence to security compliance standards. + Apply patches, monitor vulnerabilities, and coordinate… more
    ICF (10/02/25)
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  • Senior Subcontract Administrator

    Parsons Corporation (Centreville, VA)
    …you're looking for. **Job Description:** Parsons is looking for an amazingly talented ** Senior Subcontract Administrator ** to join our team! In this role you ... You'll Bring:** + Prior experience with SAP/ARIBA Procurement system is a plus. ** Security Clearance Requirement:** None This position is part of our Corporate team.… more
    Parsons Corporation (09/25/25)
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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 ... candidate will establish and implement solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network… more
    SimIS Inc. (08/07/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …+ Monitor, tune, and harden systems to ensure optimal performance and security posture. + Track system performance metrics, generate utilization reports, and ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies (XenApp, NetScaler… more
    TekSynap (07/26/25)
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  • Senior SAP Basis Administrator

    Amazon (Arlington, VA)
    …DB and other SAP applications on AWS cloud infrastructure Perform basis administrator configuration activities for new enhancement requests from business and support ... progress, issues, and resolutions. A day in the life As an SAP Basis administrator , typical day involves a wide range of activities crucial for maintaining the SAP… more
    Amazon (09/17/25)
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