• RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …do:** The Administrator is responsible for the local DoD Mission network servers and workstations in accordance with the authoritative USG requirements documents ... are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do is rooted in… more
    RTX Corporation (08/20/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (08/28/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the Server ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network … more
    SimIS Inc. (08/07/25)
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  • Unix/Linux Administrator

    Leader Communications Inc. (Portsmouth, VA)
    Position Summary The Unix/Linux Administrator will play a key role in administering and securing enterprise Unix/Linux systems , ensuring compliance with DoD ... a high-tempo environment. Duties & Responsibilities + Administer and maintain Unix/Linux systems (Red Hat, CentOS, SUSE, Ubuntu, Solaris, AIX). + Perform system… more
    Leader Communications Inc. (09/23/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …OpenShift). * Knowledge of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat ... Linux Administrator Job Category: Information Technology Time Type: Full...The successful candidate will manage and support enterprise Linux systems that are mission-critical to national security operations. This… more
    CACI International (09/03/25)
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  • Senior Linux System Administrator

    Leidos (Alexandria, VA)
    …lieu of a degree. + 8+ years of experience providing System Administration to DoD IT systems + IAT Level I: A+, CCNA-Security, Network +, SSCP, Security+ CE + US ... Leidos is looking to add a **Senior Linux System Administrator ** . Our mission is to develop tools for...to our enclaves, as well as ensuring the existing systems are secure and performing as intended. This position… more
    Leidos (09/26/25)
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  • Principal/Sr Principal Contract…

    Northrop Grumman (Charlottesville, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared… more
    Northrop Grumman (08/30/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    …a focus on classified networks. + Active Secret clearance. + Strong understanding of network devices and operating systems . + Proficiency in DISA STIGS and other ... SIPRNet Administrator Job Category: Information Technology Time Type: Full...innovation. **Responsibilities:** + Administer routers, firewalls, switches, and other network devices in accordance with authoritative USG requirements documents… more
    CACI International (08/08/25)
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  • Storage Administrator

    GovCIO (Richmond, VA)
    …data storage systems . + 3+ years' experience maintain storage and network policies and standards. + 3+ years' experience refreshing data from one environment ... **Overview** GovCIO is currently hiring for a Storage Administrator , tomanage, maintain, deploy, troubleshoot, and support servers and storage systems . This… more
    GovCIO (09/24/25)
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  • Linux Administrator

    Huntington Ingalls Industries (Virginia Beach, VA)
    …(STIGs). What you will do + Maintain smooth operation of multi-user computer systems + Set up administrator and service accounts; manage system documentation ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    Huntington Ingalls Industries (09/05/25)
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