• Flight Simulation Technician / J-Neeo / Nellis AFB

    Lockheed Martin (Nellis Air Force Base, NV)
    …and adapt to changing priorities in a fast\-paced environment\. * Experience with Linux system administration\. * Strong troubleshooting skills in both hardware ... Security\+\. * Experience in Joint Simulation Environment \(JSE\), preferably as a Systems Administrator \. * Previous experience with operating and maintaining… more
    Lockheed Martin (11/09/25)
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  • Information Systems Senior Manager

    General Dynamics Information Technology (Washington, DC)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... **Skills:** Information Systems ,Information Technology (IT) Systems ,Information Technology Security,Leadership,People Management **Experience:** 10 + years of… more
    General Dynamics Information Technology (11/25/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …is looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... Perform large-scale configuration management and deployment across Windows, macOS, Linux /Unix, and other operating systems and virtual...+ 2+ years of directly relevant experience as a Linux System Administrator . + 2+… more
    ARSIEM (11/12/25)
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  • Field Service Engineer I

    Scientific Research Corporation (Charleston, SC)
    …(MRTS) experience + Any of the following NECs: + 736A: Global and Command Control System Maritime 4.X (GCCS-M.4X) System Administrator + 737A: Naval Tactical ... and Control System Maritime 4.0.3 (GCCS-M 4.0.3) System Administrator + 741A: Information System...745A: Information Systems Technician + 746A: Information Systems Administrator Clearance Information SRC IS A… more
    Scientific Research Corporation (11/12/25)
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  • Cyber Infrastructure Support

    Leidos (Omaha, NE)
    …Security team, within the Digital Modernization sector, currently has an opening for a ** Systems Administrator ** in our Omaha NE office. This position is an ... a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly...opportunity! **Clearance Requirement:** You must currently hold an active Secret clearance with eligibility to be cleared for Top… more
    Leidos (11/09/25)
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  • Application Support Engineer (Onsite)

    BAE Systems (Arnold, MO)
    …Polygraph security clearance + Have previous experience with LINUX based operating systems + Previous System Administrator experience + Willing to work ... **Job Description** BAE Systems is currently seeking an Application Support Engineer...role is responsible for working with on-site database and system administration support personnel to convey and investigate … more
    BAE Systems (11/15/25)
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  • Principal OR Senior Principal Payloads Field…

    Northrop Grumman (Jacksonville, FL)
    …test equipment: network analyzers, spectrum analyzers, signal generators + MPO/TC operator system knowledge + System Administrator experience + Operations ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (10/29/25)
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  • Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …ability to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise ... with DCSA/DAAPM and related DoD standards. + Deep technical proficiency with Linux (Ubuntu/Red Hat) and Windows Server operating systems , including hardening,… more
    L3Harris (09/25/25)
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  • Infrastructure Engineer T3

    CACI International (Sterling, VA)
    …in mission environments + Apply expert knowledge of UNIX, Linux , and Windows systems and networking + Coordinate system changes with ISSO and ISO, and ... SA experience may substitute for degree) + 10 years of experience as a System Administrator supporting complex programs and environments + 6 years of experience… more
    CACI International (11/25/25)
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  • Senior Versatile Technologist

    The Boeing Company (Mesa, AZ)
    …, and Oracle Enterprise Linux + 5+ years of experience performing complex systems engineering or system integration work + 5+ years of experience in working ... Plan and prepare software and hardware releases across the system + Ensure systems align with architectural...Technology, or equivalent experience + Active government clearance (eg, Secret , Top Secret ) + CompTIA Security+ Certification… more
    The Boeing Company (11/21/25)
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