• Systems Administrator 4 (25-351)

    Northrop Grumman (Colorado Springs, CO)
    …Missile Defense Systems offers an excellent opportunity for a Sr Principal Systems Administrator - Integration/CDS Engineer (25-351) to join our team of ... a current, active DoD 8140 certification at IAT Level II or higher (such as Security+, GSEC, SCNP, SSCP,...to travel up to 10% for business purposes + Network Management and Monitoring Systems + Understanding… more
    Northrop Grumman (11/04/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …**Job Description** Overview SOSi is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our ... handling Tier 2 service desk tickets, providing in-depth technical support, and maintaining systems across a secure network environment. The ideal candidate is… more
    SOS International LLC (11/21/25)
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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Tampa, FL)
    …work of your career. We are looking for you to join our team as a **Cyber Systems Administrator ** based out of **Tampa, FL** . _Please Note:_ + _Due to the ... upon start date, installs/loads operating system software, patches, and configures network components along with implementing operating systems enhancements to… more
    Northrop Grumman (10/14/25)
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  • Intermediate Classified Systems

    The MITRE Corporation (Bedford, MA)
    …Department Summary: MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful candidate will be delivering timely, ... dynamic environment. + Experience working in cross-functional teams, including security, network , and systems administrators, to ensure seamless operations in… more
    The MITRE Corporation (11/01/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network , software, and system engineers, PC… more
    Northrop Grumman (12/12/25)
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  • Multifunctional System Administrator (Level…

    Lockheed Martin (Greenville, SC)
    …Squadron based in Iwakuni, Japan\. We are seeking an experienced Systems Administrator who has some knowledge of Network and Database administration to work ... *The candidate must hold a current DoD IAT Level II certification \(Security\+, CySA\+, or CCNA\) *The Candidate must...environment\. *Prior experience working as an F\-35 ALIS Database, Systems , Security OR Network Administrator more
    Lockheed Martin (12/11/25)
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  • Oracle Identity Management (OIM) & Governance…

    CUNY (New York, NY)
    …(OIG) Administrator will lead collaborations between Integrated Management Systems (IMS), database (DB), security administrators, network , and PeopleSoft ... Oracle Identity Management (OIM) & Governance (OIG) Administrator (IT Security Specialist 3) - Provisional **GENERAL DUTIES** This position encompasses professional… more
    CUNY (12/03/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Washington, DC)
    …Framework. + Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in ... degree and 3+ years of experience as a system administrator + Active DoD 8570 IAT Level II...Knowledge of different layers of the technology stack, including network , application frameworks, database systems , and vendor… more
    ENS Solutions (12/12/25)
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  • Systems Administrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …and achieving maximum success for our customers, our partners and ourselves. The Systems Administrator will be responsible for ensuring the smooth operation of ... an organization's computer systems . Will handle the installation, maintenance, and troubleshooting of...on Microsoft software + Must maintain DoD 8570/8130 IAT II or DoD 8570/8140 equivalent Desired Skills and Experience… more
    Kratos Defense & Security Solutions, Inc. (12/07/25)
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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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