• Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    …infrastructure + Knowledge of Cyber Security Methods and Techniques + Knowledge of DoD IT systems, to include Windows , RHEL, and comprehensive infrastructure ... in support of US Navy operations within a Department of Defense ( DoD ) environment. This role requires deep technical expertise in Linux systems, leadership… more
    Amentum (12/24/25)
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  • Device Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …management + Experience with the Mobile Operating System STIGs released by the DoD + Experience with Windows and Linux server infrastructure + Possession ... Experience with Samsung endpoints, the Android operating system, or Windows -based endpoints and operating systems + Experience with Unified...skills to present to senior-level clients + Top Secret clearance + Completion of DoD Public Key… more
    BOOZ, ALLEN & HAMILTON, INC. (12/12/25)
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  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …infrastructure. + Knowledge in Cyber Security Methods and Techniques. + Knowledge of DoD IT systems, to include Windows , RHEL, and comprehensive infrastructure ... of US Navy operations within a Department of Defense ( DoD ) environment. This role requires deep technical expertise in...AND EXPERIENCE: + Advanced knowledge and certification in both Windows Server and RHEL is considered highly desired. +… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Cybersecurity Test Engineer, Penetration Tester

    COLSA Corporation (Shalimar, FL)
    …equivalent with a minimum of 9-12 years + US Citizenship required. Active DoD SECRET security clearance + Demonstrated experience with penetration testing tools ... 8140 Compliance certifications within 6 months Preferred Skills and Qualifications + Active DoD Top Secret clearance highly desired + DoD 8140 Compliance:… more
    COLSA Corporation (12/24/25)
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  • Systems Administrator Level 2/3 (Top Secret)

    Northrop Grumman (Oak Harbor, WA)
    …may be considered in lieu of a completed degree. + Must have an active DoD Top Secret clearance or higher (with a background investigation completed within the ... of a completed degree. + Must have an active DoD Top Secret clearance or higher (with...environment. - Experience with Certification & Accreditation process. + DoD 8570 Certification in a primary OS ( Windows more
    Northrop Grumman (12/17/25)
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  • Linux / AWS Systems Administrator 3/4 - Polygraph

    Northrop Grumman (Morrisville, NC)
    …JAFAN, or JSIG information system environments. + Candidates must have a current DoD **Top Secret/SCI** level security clearance to include a recent ... information system environments. + Candidates must have a current DoD **Top Secret/SCI** level security clearance to...all organizational levels, both verbally and in writing. + DoD 8570 Certification in a primary OS ( Windows more
    Northrop Grumman (11/15/25)
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  • System Administrator, High Performance Computing…

    RTX Corporation (Tucson, AZ)
    …and basic to advance scripting experience. + An active DoD Top-Secret Clearance . + Advanced hands-on experience with Windows and Unix security hardening, ... as only US citizens are eligible for a security clearance . + Experience in Windows and/or Linux... Information: This position requires current and active US DOD Secret security clearance . **DCSA Consolidated Adjudication… more
    RTX Corporation (10/24/25)
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  • Computer Systems Architect 3

    PDS Defense (Roy, UT)
    …with a demonstrated track record in enterprise migrations and system maintenance. Active DoD Secret Clearance is required. Proven experience meeting DOD ... to 40 pounds and commit to working evenings/weekends when necessary. **Preferred Requirements** DoD TS Clearance is preferred. Advanced degrees (Master's or PhD)… more
    PDS Defense (12/19/25)
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  • Mission Operations Spec (Missions Operations…

    The Boeing Company (Hazelwood, MO)
    …and/or knowledge in product security or cybersecurity concepts + **Must have an active DOD Secret Clearance ( clearance held within the last 24 months ... position involves implementing appropriate security controls and requirements per JSIG, DoD RMF, NISPOM, or other related governing security policies and governances… more
    The Boeing Company (12/25/25)
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  • Engineer / Principal Engineer Systems Modeling…

    Northrop Grumman (Melbourne, FL)
    …OR a Master of Science degree in a STEM discipline. + Must have an active DoD Secret clearance or higher clearance (with a background investigation completed ... the company. + Must have advanced level knowledge of Windows and Linux Operating Systems. + Must have experience...of related professional/military experience. + Must have an active DoD Secret clearance or higher clearance more
    Northrop Grumman (12/19/25)
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