• Mid - Level Classified

    The Boeing Company (Berkeley, MO)
    …Specialized United States (US) Infrastructure Operations Organization is currently seeking a ** Mid - Level Classified Linux System Administrator** to ... remediation, and more. **Position Responsibilities:** + Manages all aspects of a Linux environment, including scripting + Analyzes computing requirements + Leads a… more
    The Boeing Company (01/07/26)
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  • Software Engineer (Junior to Mid

    Leidos (Eagan, MN)
    **Description** Leidos is seeking a junior to mid level Software Developer who will be a member of a dynamic team working on the development/maintenance of ... display software within the object-oriented environment (primarily C++/Java) on a UNIX/ Linux platform. + Performing software development as needed for the TFDM… more
    Leidos (12/25/25)
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  • Mid - Level Cloud DevOps Developer

    The Boeing Company (Hazelwood, MO)
    …growth. Find your future with us. The Boeing Company is currently seeking a ** Mid - Level Cloud DevOps Developer** to join the team in **Hazelwood, MO** . ... This individual will join the Information Digital Technology & Security (IDT&S) Classified Cloud Platform team and play a pivotal role in enabling Classified more
    The Boeing Company (12/25/25)
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  • Mid - Level Systems Administrator

    The Boeing Company (Berkeley, MO)
    …Operations (SUSIO) Organization is currently seeking a highly experienced and detail-oriented ** Mid - Level Systems Administrator** to join the team in **Berkeley, ... systems + Provide comprehensive computing support in closed environments + Protect classified and proprietary information + Support security audits as assigned +… more
    The Boeing Company (01/07/26)
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  • Network Engineer - Mid -Career

    Lockheed Martin (Liverpool, NY)
    …tasks and ensure seamless integration and operation of Linux \-based systems\. **A level 3 employee is mid \-career and typically has 3\+ years of related ... and excellence\. **THE WORK** Designs, plans, engineers, and maintains classified network communications systems\. Provides specifications and detailed schematics… more
    Lockheed Martin (11/27/25)
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  • Mid -Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …management (switch deployment & configuration) and system administration in a classified environment. The ideal candidate will be a self-starter with the ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    Infinity Systems Engineering (01/03/26)
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  • Windows Systems Administrator 3/4 - Secret

    Northrop Grumman (Melbourne, FL)
    …with current version + Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk). + Mid to Advanced level Scripting experience + Experience with the ... **Information Technology Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced **Windows Systems Administrator**… more
    Northrop Grumman (01/07/26)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Hollywood, MD)
    …current version + Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk). + Mid to Advanced level Scripting experience + Experience with ... not only part of history, they're making history. The Northrop Grumman Classified Solutions team is seeking an experienced **Windows Systems Administrator** to join… more
    Northrop Grumman (01/07/26)
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  • Systems Administrator - TS/SCI with Poly

    Leidos (Chantilly, VA)
    …and troubleshooting in a dynamic setting. The ideal candidate will bring mid - level experience to optimize system performance, implement automation solutions, and ... particularly in pipeline automation and/or VMware environments across Windows and/or Linux platforms. You will work in a collaborative, high-security environment,… more
    Leidos (01/01/26)
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  • Specialist, Systems Engineering

    L3Harris (Greenville, TX)
    …Job Code: 30687 Job Location: Greenville, TX Schedule: 9/80 Job Description: Mid - level Systems Engineer possessing engineering experience to follow system ... level engineering guidance and leadership to contribute within a...designs. + Be comfortable handling a large amount of classified material. + Familiarity with working with Unix/ Linux more
    L3Harris (11/08/25)
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