• Sr. Principal AIX or Linux System…

    RTX Corporation (Tewksbury, MA)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **S** **r.** **Principal ... complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous AIX, Redhat Enterprise Linux, and Microsoft Windows… more
    RTX Corporation (10/31/25)
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  • F-35 Property Administrator 4

    Huntington Ingalls Industries (Arlington, VA)
    …Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare ... Systems comprises cyber and mission IT; electronic warfare; and...in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity , network architecture, reverse engineering, software and hardware development… more
    Huntington Ingalls Industries (09/09/25)
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  • System Administrator Multi-Disciplined

    RTX Corporation (El Segundo, CA)
    …a safer, more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + ... to high scope and complexity to include the integration of hardware and operating systems . + Provide mentorship and guide prioritization of tasks to junior admins. +… more
    RTX Corporation (09/24/25)
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  • Principal Windows System Administrator

    RTX Corporation (El Segundo, CA)
    …a safer, more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + ... high scope and complexity to include the integration of hardware and operating systems (OS). + Experience with data RAID, data backup uses and technologies. Install… more
    RTX Corporation (10/21/25)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, protect the integrity of our systems and support Raytheon IT infrastructure around the world. Senior System ... complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux… more
    RTX Corporation (10/15/25)
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  • Senior ServiceNow Platform Administrator

    BCMC (Falls Church, VA)
    …of Experience: 8 + Education/Certification Requirements: BS, Engineering, Management Information Systems of Related Technical Degree or 10+ years of Experience. ... + Knowledge of the principles, methods, and techniques used in ServiceNow systems administration and support + Demonstrated experience with upgrading systems ,… more
    BCMC (10/02/25)
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  • Credentialing Administrator (Project…

    M. C. Dean (Sunnyvale, CA)
    …telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure, ... innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?** Our people are passionate about engineering… more
    M. C. Dean (10/28/25)
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  • Senior Network Administrator

    TekSynap (Radford, VA)
    …and secure network operations. + Monitor and tune network performance, ensuring systems are hardened and compliant with security requirements. + Analyze network ... and external stakeholders to ensure optimal operation and scalability of network systems . + Assist in the lifecycle management of network equipment and services,… more
    TekSynap (10/25/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …**RESPONSIBILITIES** + Manage, maintain, deploy, troubleshoot, and support enterprise storage systems and associated server environments. + Collaborate with OS and ... security, stability, and high availability of enterprise data storage systems . + Maintain storage and network policies and standards...Linux 7 and higher. + Three (3) years supporting cybersecurity practices such as STIGs, SRGs, RMF, SCA-V, and… more
    TekSynap (10/25/25)
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  • System Administrator

    Leidos (Indianapolis, IN)
    …on innovation and solving complex technical problems spanning infrastructure operations, cybersecurity analytics, and application modernizations. We rely on a team ... owning key software applications **Required Qualifications** + Bachelor's degree in information systems or relevant field + Ability to obtain public trust clearance… more
    Leidos (10/16/25)
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