• Systems Administrator /Integrator

    General Dynamics Information Technology (Springfield, VA)
    …lead, innovate, and drive strategic change. We are seeking a Mid-Level Systems Administrator / Integrator with proven experience delivering mission-critical ... shaping architectural solutions, and mentoring technical teams. As a Mid-Level Systems Administrator / Integrator, you will be part of a team responsible… more
    General Dynamics Information Technology (09/17/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the Sponsor's Linux environment… more
    ManTech (08/30/25)
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  • Systems Administrator

    Guidehouse (Springfield, VA)
    …clearance with a COUNTERINTELLIGENCE (CI) polygraph + Bachelor's Degree + Microsoft Systems Administrator Certification + Microsoft Active Directory, DNS, and ... Top Secret SCI (TS/SCI) **What You Will Do** **:** The System Administrator will provide technical support, systems administration, application administration,… more
    Guidehouse (08/08/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Systems Administrator (Tier 2…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... any other characteristic protected by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to join our team to support our… more
    William C Brown Inc (08/14/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …Required:** Yes **Job Description:** Transform technology into opportunity as a **Senior Systems Administrator ** with GDIT. A career in enterprise IT means ... terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** + Administer, manage, and maintain… more
    General Dynamics Information Technology (08/09/25)
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  • Systems Administrator

    Leidos (Reston, VA)
    …energetic, cleared professional seeking a rewarding and challenging opportunity as a Systems Administrator dedicated to full time support of a Leidos ... to change and will thrive in a fast-paced, dynamic program environment. The administrator will be expected to perform advanced systems support to include… more
    Leidos (09/26/25)
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  • Systems Administrator SME

    Amentum (Chantilly, VA)
    Amentum is seeking a ** Systems Administrator SME** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + Manages ... and maintains enterprise-level systems , supporting application development, testing, and execution within DoD and external hosting environments. + Oversees the… more
    Amentum (09/23/25)
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  • Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Systems Administrator ** to join our team in **Chantilly, VA** . This is an **on-site** position. ... The System Administrator (SA) is an instrumental part of a small,...part of a small, highly technical team providing WAN/LAN systems integration and support of a virtualized Windows client-server… more
    ManTech (09/13/25)
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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 ... protected by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation, troubleshooting and maintenance. This… more
    William C Brown Inc (07/24/25)
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