• Systems Administrator III

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... workstations and servers + Perform software installations and upgrades to operating systems and layered software packages + Schedule installations and upgrades in… more
    Noblis (12/30/25)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... and Break-Fix support after hours. ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and Lead to… more
    General Dynamics Information Technology (12/11/25)
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  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Yes **Job Description:** **GDIT is seeking a Mid-Level Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... and Break-Fix support after hours. ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and Lead to… more
    General Dynamics Information Technology (12/11/25)
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  • Cyber Security Administrator III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Administrator III * Arlington, VA (http://maps.google.com/maps?q=Arlington+VA+USA) Description Are you looking to take the next steps in your ... career as a Cyber Security Administrator III ? Let's chat and see if...TS/SCI clearance to lead implementation and management of operating systems and cyber policies, resolving system outages and managing… more
    Virtual Service Operations (12/11/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... experience + Maintain DoD 8570/8140 IAT Level II or III certification + Must be able to support on-call,...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (12/09/25)
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  • G2 SharePoint Systems Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …Yes **Job Description:** Transform technology into opportunity as a **SharePoint / Systems Administrator ** at GDIT. Shape what's next for mission-critical ... our differentiator. Our work depends on a **SharePoint / Systems Administrator ** joining our CNIC Applications Support...via IssueTrak tickets + Monitor logs + Troubleshoot Tier II/ III tickets impacting platform availability + Support for G2… more
    General Dynamics Information Technology (01/05/26)
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  • G2 Directory Services Engineer / Senior…

    General Dynamics Information Technology (Fairfax, VA)
    …Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for mission-critical ... differentiators. Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our CNIC Applications Support team which provides… more
    General Dynamics Information Technology (01/05/26)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Warrenton, VA** ... transformative change. **Responsibilities:** The duties and responsibilities of the ** Systems Administrator ** include, but are not limited...one of the following 8140 IAT Level II or III baseline certifications: o Level II certs include -… more
    Amentum (12/10/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . - Perform large scale configuration management and deployment...years of directly relevant experience as a Linux System Administrator . - 3+ years of experience with Splunk Enterprise… more
    BCMC (10/16/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our...headquartered in Leesburg, VA, provides mission-critical services in Cybersecurity, Systems Engineering and Integration, IT Operations Support, Software Development,… more
    Chenega Corporation (11/12/25)
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  • Maximo Administrator - Staff

    Amentum (Warrenton, VA)
    …transformative change. **Responsibilities:** The duties and responsibilities of the Maximo Administrator include, but are not limited to, the following: + Oversee ... representation and insightful analysis + Integrate Maximo with other systems , particularly ServiceNow, to facilitate seamless data flow and...one of the following 8140 IAT Level II or III baseline certifications: + Level II certs include -… more
    Amentum (12/16/25)
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  • Sharepoint Administrator

    BCMC (Arlington, VA)
    …assist with the restoration of services. We are seeking a Sharepoint Administrator to support the design, development, and deployment of advanced cybersecurity ... SharePoint workflows and application development - Providing ongoing SharePoint systems administration, technical support, upgrades, patching and troubleshooting services.… more
    BCMC (12/23/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... NGA mission. In this role, we're seeking a **Linux Administrator - ACAS** who could potentially be located in...Information - Software Tools list. + Utilize agency-approved ticketing systems to document, track, assign, update, and coordinate all… more
    CACI International (11/10/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... from ACA]. + Remediate CAT I/ CAT II/ CAT III findings associated with scans of network devices. +...network operations and/or attacks/compromises. + Work with program management, systems engineers, and systems administrators to provide… more
    CACI International (11/07/25)
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  • C2 Technician Level III

    General Dynamics Information Technology (Sterling, VA)
    …and coordination is highly desired. + Graduate of a DoW Command-and-Control systems administrator course is preferred. **Skills and Competencies:** + ... **Job Family:** Field Service and Support **Skills:** Communication Network,Network Programming, Systems Networking **Experience:** 4 + years of related experience… more
    General Dynamics Information Technology (11/04/25)
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  • Service Desk Technician III

    AeroVironment (Herndon, VA)
    **Worker Type** Regular **Job Description** **Summary** The Service Desk Technician III is a member of the IT Service Desk team and serves as the highest technical ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… more
    AeroVironment (01/05/26)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . + Perform large-scale configuration management and deployment across...years of directly relevant experience as a Linux System Administrator . + 3+ years of experience with Splunk Enterprise… more
    ARSIEM (11/12/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administration to support the design, development, and deployment of advanced ... management and deployment across Windows, macOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. + Supporting… more
    ARSIEM (12/23/25)
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  • Cyber operations Readiness Assessment…

    TekSynap (Fort Belvoir, VA)
    …in IT/Cybersecurity or equivalent experience. + Experience: 8-10 years in Windows systems engineering or cybersecurity. + Required Certifications: DoD 8140/8570 IAT ... III (CASP+, CISSP, CCNP Security, or equivalent). + Desired...equivalent). + Desired Certifications: Microsoft Certified: Windows Server Hybrid Administrator Associate, VMware VCP, Nutanix NCP. **Overview** We are… more
    TekSynap (12/24/25)
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