• Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation ... the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator ...of multi-user computer systems , including coordination with network, software, and … more
    Northrop Grumman (11/13/25)
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  • Training Simulator System

    Lockheed Martin (Orlando, FL)
    …position will offer a long\-term deployment to a foreign country as a Training System Simulator System Administrator for the F\-35\. The successful candidate ... and maintain a Secret level security clearance and Special Access Program \( SAP \) access\. Additional duties and related responsibilities will be assigned as… more
    Lockheed Martin (10/29/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …risk levels, security posture, and policy changes. + Previous experience operating as a SCI/ SAP ISSO, ISSE, System Administrator , or ISSM. + Strong ... + Lead the design and implementation of cybersecurity measures for classified systems , ensuring security is embedded throughout the system lifecycle. +… more
    The MITRE Corporation (10/25/25)
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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Systems Administrator (TS Clearance)…

    EchoStar (Germantown, MD)
    …**Department Summary** **EchoStar** has an exciting opportunity for a **Contract -** ** System Administrator ** with **TOP SECRET** clearance in our Defense and ... Government Systems Division Information Assurance Team of Hughes Network ...response procedures as necessary + Provide Configuration Management: document system details regarding OS, configurations, connections, software and hardware… more
    EchoStar (11/11/25)
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  • Principal Contract Administrator /Senior…

    Northrop Grumman (Baltimore, MD)
    …Advanced Radar Systems Operating Unit is seeking a Principal Contract Administrator to support the Vesuvius program. The selected candidate will be responsible ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...you to join our team as a **Principal Contract Administrator / Senior Principal Contract Administrator ** based out… more
    Northrop Grumman (11/04/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …You!** The Northrop Grumman Classified Solutions team is seeking an senior **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/25/25)
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  • Systems Administrator - Help Desk

    CACI International (Fort Meade, MD)
    Systems Administrator - Help Desk Job Category: Engineering and Technical Support Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Travel: Local * * * CACI is seeking a ** Systems Administrator (MI Systems Maintainer...architectures including NIPRNet, SIPRNet, JWICS, TDN2, Special Access Programs ( SAP ) networks and coalition networks + Assist with configuration… more
    CACI International (11/15/25)
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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …You!** The Northrop Grumman Classified Solutions team is seeking a senior **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/04/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... expert-level assistance to users in accessing and utilizing business systems + Design and implement robust system ...with federal IT regulations and compliance requirements + Prior SAP experience/expertise - ** ** **What You Can Expect:**… more
    CACI International (11/08/25)
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