• System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... JWICS, and Special Access Systems. * Support replication of network file share volumes via Distributed File System with...degree in an IT-related field Certifications: DoD8570.01M IAT Level II , VCP, and either the MCSE Core Infrastructure or… more
    System One (12/26/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... and using IT systems + Provide Tier I (Help Desk) and Tier II (Escalation) problem identification, diagnosis and resolution of problems + Provide support to… more
    CACI International (11/20/25)
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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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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Implement IAVA security patches… more
    Synergy ECP (11/30/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: ... compliance patching, software and hardware transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating… more
    FGS, LLC (11/22/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... new standards, policies and procedures. Incumbent in this job works closely with Network and Systems Analysts to help determine and develop the systems that will… more
    SAIC (11/19/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. **Responsibilities ... including day-to-day operations, monitoring, and problem resolution for all the clients/servers/ network devices. + Provide support for the patching systems and… more
    ManTech (11/26/25)
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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 ... seven years of experience may be substituted. + Certification: Current DoD 8570 IAT II certification (eg, Security+, SSCP) or the ability to obtain one within 180… more
    ManTech (11/19/25)
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  • System Administrator

    Mb Solutions, Inc. (Washington, DC)
    …day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Shall provide Tier I (Help ... Desk) and II (advanced troubleshooting) problem identification, diagnosis and resolution of...combination thereof. + Shall troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to… more
    Mb Solutions, Inc. (11/23/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    **Responsibilities & Qualifications** TekSynap is seeking a ** Network Engineer** toadminister and sustain JPO's classified and unclassified systems, applying ... patch, vulnerability, and performance managementexpertise. + DoD 8570: IAT Level II (Security+ CE minimum). + Active Secret clearance. **COMPETENCIES** + System… more
    TekSynap (12/31/25)
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