• Systems Administrator

    System One (Tulsa, OK)
    … Maintenance & Support + Install, configure, and maintain servers, operating systems , and applications. + Monitor system performance and troubleshoot issues ... Administrator, Network Administrator, or similar role. + Strong knowledge of Windows/ Linux operating systems , virtualization, and cloud platforms. + Familiarity… more
    System One (12/26/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …only US citizens are eligible for a security clearance. + Must have Windows or Linux experience systems administration experience. + Experience in one of the ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise… more
    RTX Corporation (12/29/25)
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  • System Administrator, High Performance…

    RTX Corporation (Tucson, AZ)
    …to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions ... and/or Linux Server Environments including directory services management, and system hardening. + Experience maintaining a medium sized Microsoft Windows Server… more
    RTX Corporation (10/24/25)
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  • Fleet Support Rep-SA/DBA III-Computer…

    V2X (Yuma, AZ)
    …the US Navy CANES and/or NMCI environment. + Experience with system administration or operations of military planning systems in the aviation field, ... What You'll Do: + Provide helpdesk support for Navy systems administration and installations support. The duties...be substituted in lieu of degree; Department of Defense system administration training and experience will be… more
    V2X (12/16/25)
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  • System Administrator VII

    Chenega Corporation (Albuquerque, NM)
    System Administrator VII will perform system administration for Linux and Windows operating systems and VMware virtual host environments. The ... with proper permissions. + Responsible for the security and administrative controls of service(s) and/or system (s). +... monitoring and upgrade of all required Microsoft and Linux based systems /servers. + Utilize new data… more
    Chenega Corporation (01/06/26)
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  • Sr Systems Engineer, Controls Fleet, Data…

    Amazon (Denver, CO)
    administration , or network administration experience - 5+ years of Linux experience - 5+ years of systems engineering experience - Bachelor's degree ... DevOps, security administration , or network administration - Experience working with Linux - Experience in systems engineering - Experience in any of the… more
    Amazon (12/13/25)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …MS\-, X\-Windows, Linux , CCNA \- Demonstrated ALIS Network / System Administration experience \- Network administrator experience with experience in ... experience \- Data center maintenance and infrastructure management \- Systems administration experience with servers and network installations/integrations… more
    Lockheed Martin (11/27/25)
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  • Principal/Sr. Principal HPC System

    Northrop Grumman (Jessup, MD)
    …with PhD. Will consider 4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience with ... (NGMS) is seeking a **Principal or Sr. Principal HPC System Administrator** . This position is located at **Baltimore,...4 years additional experience in lieu of degree. + Linux systems administration proficiency +… more
    Northrop Grumman (12/05/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …and/or certification. + Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or certification for ... NAS Patuxent River area. Basic Qualifications for a Principal System Admin : + bachelor's degree with 5...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
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  • Senior Systems Engineer

    Saint Francis Health System (Tulsa, OK)
    …Virtual Desktop platforms, Citrix or VMware. In-depth understanding of Windows and Linux operating systems ; Including management and operational tools (AD, GPO, ... **to login and apply.** Full Time Job Summary: The Senior Systems Engineer is responsible for determining requirements, developing project plans, implementation… more
    Saint Francis Health System (11/11/25)
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