• System Administrator Lead

    System One (Mclean, VA)
    …DOD security standards. * Provide systems recovery and repair operations employing industry best practices for systems troubleshooting and fault isolation. ... Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To...Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI eligibility Duties and… more
    System One (12/26/25)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    …infrastructure as part of a collaborative systems team. Your focus will span operations , security , and integration of hardware and software. + Research and ... **MANTECH** seeks a skilled and motivated **Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in **Chantilly,… more
    ManTech (12/03/25)
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  • 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 ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations … more
    ManTech (12/13/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    **Your Impact:** Are you interested in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further. Amentum is seeking a **Senior ... System Administrator ** to join our team of passionate individuals in...projects that make a direct impact on the Nation's security and intelligence mission. **Responsibilities:** * Provide support for… more
    Amentum (11/20/25)
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  • Project Administrator

    TekSynap (Arlington, VA)
    … Operations teams as specified (servers, applications, storage area network , backup and recovery, facilities, messaging). + Conduct corrective and preventative ... **RESPONSIBILITIES** + Serve as the central coordinator for JNOSC operations , overseeing both Tier III service response/help desk and...maintenance activities for the JSP Transport Network . + Develop and maintain project plans, schedules, and… more
    TekSynap (01/06/26)
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  • Senior Linux System Administrator

    GovCIO (Richmond, VA)
    …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & ... GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an... with an active Secret clearance to join an Operations team. This position will be located in Arlington,… more
    GovCIO (11/07/25)
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  • Associate Systems Administrator - IT Asset…

    Ferguson Enterprises, LLC. (Newport News, VA)
    …you can believe in. We are seeking a proactive and tech-savvy Associate System Administrator to join our IT team. This role focuses on supporting and managing ... five days a week. **Key Responsibilities:** + Manage Asset Room operations , including inventory control, device check-in/check-out, and coordination with procurement… more
    Ferguson Enterprises, LLC. (12/18/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... center equipment and other IT assets. + Performing general operations & maintenance for COTS/GOTS hardware and software. **Minimum...+ Certification: Current DoD 8570 IAT II certification (eg, Security +, SSCP) or the ability to obtain one within… more
    ManTech (11/19/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …the development of local operating procedures and policies. + Monitor system operations and generate utilization reports to identify issues and recommend corrective ... new technologies to optimize and expand existing infrastructure. + Ensure the security , stability, and high availability of enterprise data storage systems. +… more
    TekSynap (10/25/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …analysis in accordance with DISA ACAS Best Practices Guide. + Perform Security Technical Implementation Guide (STIG) compliance scans and generate reports to ensure ... systems meet DoD cybersecurity standards. + Manage Army Endpoint Security Solution (AESS) Site Reviewer activities to ensure endpoint protection compliance. +… more
    TekSynap (10/25/25)
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