• Senior Network Administrator

    TekSynap (Radford, VA)
    …with internal teams and external stakeholders to ensure optimal operation and scalability of network systems . + Assist in the lifecycle management of network ... secure network operations. + Monitor and tune network performance, ensuring systems are hardened and...configuring, maintaining, and migrating Palo Alto Firewalls. + Three ( 3 ) years of experience using network monitoring… more
    TekSynap (10/25/25)
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  • Linux Systems Administrator

    Leidos (Springfield, VA)
    **Description** Leidos is seeking an experienced, customer-facing Linux Systems Administrator to join our dynamic team supporting mission-critical infrastructure ... for repetitive tasks. + Maintain and support Enterprise Storage systems (eg, IBM ESS or similar vendor arrays). +...Server administration in hybrid environments. + Red Hat Certified System Administrator (RHCSA) or equivalent certification. +… more
    Leidos (01/16/26)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...systems or adding significant new functionality to existing systems \* Network Administration \- Ethernet switching,… more
    Lockheed Martin (10/22/25)
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  • NCIS Systems Administrator | Shift…

    General Dynamics Information Technology (Quantico, VA)
    …years of experience with systems administration. + Well-rounded general computer system , network administration, and user support experience is necessary + ... Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (01/16/26)
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  • NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …be TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration, general computer system , network administration, and ... Required:** Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** at GDIT. Shape what's next for mission-critical… more
    General Dynamics Information Technology (01/05/26)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    … administration. Requirements + 3 + years of experience as a system administrator + Experience with installing or configuring devices, applications, and ... 5+ years of experience as a system administrator , or Bachelor's degree and 3 + years...automating deployments and configuration management. + Experience as a network administrator or systems engineer.… more
    ENS Solutions (12/27/25)
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  • Systems Administrator / Information…

    Guidehouse (Arlington, VA)
    …**Clearance Required** **:** Active Secret **What You Will Do** **:** We are seeking a Systems Administrator / Information Systems Engineer in support of the ... DoD security clearance. + Highschool Diploma/ GED. + THREE ( 3 ) or more years of systems administration...abilities for resolving technical issues related to MCFMIS, POS systems , and network infrastructure in a timely… more
    Guidehouse (01/08/26)
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  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation,...+ Windows patching and management experience using Microsoft WSUS 3 .0 + Familiar with shell scripting using Powershell and… more
    William C Brown Inc (10/23/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced ** Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal ... for a professional with solid systems administration expertise, particularly in pipeline automation and/or VMware environments across Windows and/or Linux platforms.… more
    Leidos (01/13/26)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    …- At least 3 years of relevant IT experience in operations, network operations center, systems administration, or similar support role. - Working knowledge ... Systems Administrator Location: Springfield, VA, US... Systems Administrator Location: Springfield, VA, US Job ID: ATR...tickets, drive updates, coordinate with Tier 2 and Tier 3 technicians, and ensure clean hand offs between shifts.… more
    Arena Technical Resources, LLC (01/16/26)
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