• Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    …LogRhythm, and MDE + Experience with DoD systems and infrastructure + Knowledge of Cyber Security Methods and Techniques + Knowledge of DoD IT systems , ... of Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong working… more
    Amentum (12/24/25)
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  • Specialist, Systems Administration (Linux)

    L3Harris (Melbourne, FL)
    …air, land, sea and cyber domains in the interest of national security . Job Title: Specialist, Systems Administration Job Code: 32348 Job Location: Melbourne, ... join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin). Responsibilities for this position include support to software… more
    L3Harris (12/21/25)
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  • Systems Test Engineer (Engineer…

    Huntington Ingalls Industries (Albuquerque, NM)
    …environments + EOD, or CBRN experience + Experience working with multi-level classified information systems in a secure office environment + National Guard or ... with established organizational standards + Perform technical analysis of complete systems and prepares comprehensive system level evaluations + Prepare… more
    Huntington Ingalls Industries (11/20/25)
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  • Senior RF Test, Radar Systems Engineer

    Huntington Ingalls Industries (Dayton, OH)
    … Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR ... systems . HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our… more
    Huntington Ingalls Industries (11/17/25)
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  • Director- Cybersecurity Operations

    Orlando Utilities Commission (Orlando, FL)
    …strategy, software development, operations, engineering, development services, quality engineering, information security , and compliance; + Collaborate with ... experience in digital and technology leadership. + Proven experience leading cyber operations and implementing enterprise-scale security strategies. + Strong… more
    Orlando Utilities Commission (12/06/25)
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  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …and MDE. + Experience with DoD systems and infrastructure. + Knowledge in Cyber Security Methods and Techniques. + Knowledge of DoD IT systems , ... of Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong working… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Scientist, TS/SCI Chief Systems Engineer…

    L3Harris (Palm Bay, FL)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Chief Systems Engineer (RF Space Payloads) Job Code: 30600 Job ... reviews including pursuit, SDR, PDR, CDR, TRR, PSR, and system operation. The Space Systems Sector has...years of prior related experience. + Active Top Secret security clearance and ability to obtain SCI + 10… more
    L3Harris (10/30/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …for Research & Test (R&T) activities. Required Experience + BS degree in Information Systems , Information Technology, Computer Science, Computer Engineering, ... Paragon Cyber Solutions has an immediate opening for those...ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated… more
    Paragon Cyber Solutions (01/09/26)
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  • Security Support D

    L3Harris (Colorado Springs, CO)
    …experience. + Active Secret US Security Clearance Preferred Additional Skills: + Security Information Management System (SIMS) + Defense Information ... our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: … more
    L3Harris (01/15/26)
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  • Security Control Assessor/Technical…

    Guidehouse (Arlington, VA)
    …an experienced professional with experience assessing and advising on controls of information systems for federal organizations. Personnel assigned to this role ... with a critical and high-profile mission across over 200 information systems . Your duties will span common/core...duties will span common/core control tasks including assessments of security controls for assigned systems to ensure… more
    Guidehouse (01/09/26)
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