• IT Infrastructure and Engineering Support…

    CACI International (Sterling, VA)
    IT Infrastructure and Engineering Support Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret ... Opportunity:** CACI has an immediate opening for an Infrastructure/Systems Administrator , supporting a development and test environment, utilizing various operating… more
    CACI International (11/29/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …to obtain DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 2 + years MacOS and iOS experience. - Must be able to ... assist with the restoration of services. Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to… more
    Nightwing (11/26/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA Eligibility: ... open and maintain tickets, drive updates, coordinate with Tier 2 and Tier 3 technicians, and ensure clean hand...least 3 years of relevant IT experience in operations, network operations center, systems administration, or similar support role.… more
    Arena Technical Resources, LLC (01/01/26)
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  • Systems Administrator

    CACI International (Hampton, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... Continental US * * * **The Opportunity:** CACI is seeking a cleared Systems Administrator in Hampton, VA. This is an immediate need to support the Distributed Ground… more
    CACI International (12/18/25)
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  • Test Administrator - Newport News, VA…

    Pearson (Newport News, VA)
    …to data management and delivers exams through the world's most comprehensive and secure network of test centers in more than 180 countries, where we validate the ... we are now hiring for a **temporary part-time Test Administrator ** to join our team in **Newport News, VA..., between **7:00 AM and 10:00 PM** , including ** 2 -4 Saturdays per month** . Availability for **morning shifts… more
    Pearson (12/11/25)
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  • Unix Systems Administrator

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    Title: UNIX SYSTEMS ADMINISTRATOR Location: United States-Virginia-Virginia Beach Job Number: 250000Q4 Job Summary: Responsible for installation configuration and ... - Provides server hardware capacity recommendations. - Interfaces with Network Engineers, Storage Engineers, Database Administrators and Application Teams to… more
    Navy Exchange Services (NEX) (12/22/25)
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  • Systems Administrator - Junior to Senior

    Amentum (Dahlgren, VA)
    …following: system backup/recovery; basic software management; security management; network management; operating computer systems; sizing, performance, tuning, ... operation systems and Commercial Off The Shelf (COTS) software; hardware/software/ network design, troubleshooting, and resource allocation. + As per Department… more
    Amentum (12/16/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... and system baselines. + Provide Tier 1 and Tier 2 system support for PKI-related service disruptions, certificate issues,...Viewer, eMASS, and HBSS is a plus. Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran… more
    ENS Solutions (12/27/25)
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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 and… more
    ManTech (12/13/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …**US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for ... and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. + Provide general...+ Three (3) days onsite with up to two ( 2 ) days telework. Onboarding/transition in period requires on-site support… more
    General Dynamics Information Technology (10/25/25)
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