• Principal Linux Administrator (Onsite…

    RTX Corporation (Mckinney, TX)
    …**Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure with a ... in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity . The company, formed in 2020 through the combination of Raytheon… more
    RTX Corporation (11/19/25)
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  • System Administrator 1

    M. C. Dean (San Jose, CA)
    …for the nation's most mission-critical facilities, secure environments, complex infrastructure , and global enterprises. With over 7,000 employees, our capabilities ... the next generation of technical leaders in electrical, engineering, and cybersecurity industries. Responsibilities **What you'll do:** In this role you will… more
    M. C. Dean (11/15/25)
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  • Project Administrator , Associate

    M. C. Dean (Rock Hill, SC)
    …the next generation of technical leaders in electrical, engineering, and cybersecurity industries. The Project Administrator provides administrative assistance ... for the nation's most mission-critical facilities, secure environments, complex infrastructure , and global enterprises. With over 7,000 employees, our capabilities… more
    M. C. Dean (11/12/25)
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  • Network Administrator

    Huntington Ingalls Industries (Camp Lejeune, NC)
    …and warfighter readiness. You'll manage servers, workstations, and network infrastructure , apply cybersecurity compliance measures, and troubleshoot technical ... video: https://vimeo.com/732533072 Summary Mission Technologies is seeking a Network Administrator to support the Navy Enterprise Tactical Training Network (NETTN),… more
    Huntington Ingalls Industries (11/12/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance of complex DoD systems ... + Ensure system reliability, security, and compliance with DoD cybersecurity protocols and federal regulations. + Allocate resources efficiently, ensuring… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Intermediate Classified Systems…

    The MITRE Corporation (Bedford, MA)
    …- and make a difference with us. Department Summary: MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful ... the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference… more
    The MITRE Corporation (11/01/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …systems and support IT infrastructures around the world. **Senior System Administrator ** , internally known as Senior Analyst, Information Workplace Services ... define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration… more
    RTX Corporation (10/29/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …Plan, execute, and implement new hardware and software across enterprise infrastructure . + Create, update, and enforce team technical instructions, operating ... **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation using PowerShell. +… more
    TekSynap (10/25/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... ECP is a leading provider of cybersecurity , software and systems engineering and IT services to...maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides… more
    Synergy ECP (10/22/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    …and maintenance of systems hardware and software related to a Windows infrastructure for classified programs. Duties include, but are not limited to, server ... backup and restoration; software, and license configuration. + Work with Cybersecurity professionals to maintain security requirements and provide documentation on… more
    RTX Corporation (10/15/25)
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