• Sr . Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr . Linux/Unix System Administrator ... Administrator ; or Red Hat Certified Engineer; or Oracle Certified Professional Solaris System Administrator ; or Red Hat Certified Specialist in Ansible… more
    S4 Inc. (07/09/25)
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  • Sr Systems Administrator

    Arena Technical Resources, LLC (Redstone Arsenal, AL)
    Sr Systems Administrator Location:... System . - Ability to manage UNIX, Linux, Solaris , Windows, VMware, and other virtualized operating systems ... US Job ID: ATR 17550 Job Description Job Title: Sr Systems Administrator Job Location:...site as necessary. - Documentation and Reporting: - Draft system administrator manuals and maintenance service plans.… more
    Arena Technical Resources, LLC (08/08/25)
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  • Sr . Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Sr . Principal Linux Systems Administrator - El Segundo, CA ... meaningful problems that create a safer, more secure world. ** Sr Principal System Administrator ** in...systems and support IT infrastructures around the world. ** Sr Principal System Administrators** collaborate with a… more
    RTX Corporation (08/01/25)
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  • Systems Administrator

    General Dynamics Information Technology (Mclean, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterprise ... operate. At GDIT, people are our differentiator. As a Sr Systems Administrator you will...modify scripts in multiple disciplines on Windows, Linux, and Solaris systems * Knowledge of the Customer's… more
    General Dynamics Information Technology (07/19/25)
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  • Senior Systems Engineer

    SOS International LLC (Pearl Harbor, HI)
    …CCNA, CND, CySA+, GICSP, GSEC, or SSCP) or higher Oracle Certified Professional, Oracle Solaris 10 System Administrator or higher certification BEFORE hire. ... Certified: Windows Server Hybrid Administrator or Red Hat Certified Systems Administrator (RHCSA) certification. Additional IT certifications in relevant… more
    SOS International LLC (07/04/25)
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  • Senior System Administrator

    TISTA Science and Technology (Austin, TX)
    Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle critical problems. You'll provide patching support, ... work with ServiceNow, and oversee provisioning, configuration management, and system monitoring on Linux systems and servers....and performs proper incident handoff to the next shifts Senior Linux SA team lead, and facilitates discussion with… more
    TISTA Science and Technology (05/29/25)
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  • High Performance Computing (HPC) System

    RTX Corporation (Tucson, AZ)
    …a security clearance​ **Security Clearance:** DoD Clearance: Secret ** System Administrator , High Performance Computing (HPC) - P2** ** Senior Analyst Level** ... to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions… more
    RTX Corporation (07/13/25)
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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 ... to the development of local operating procedures and policies. + Monitor system operations and generate utilization reports to identify issues and recommend… more
    TekSynap (07/26/25)
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  • Sr Solutions Engineer

    Fairview Health Services (Minneapolis, MN)
    …hardware and software systems that are critical to daily pharmacy operations. The System Administrator will need to be able to support and maintain a variety ... **Job Overview** **Overview** Perform a variety of senior -level engineering tasks around system design, implementation, integration and optimization within a… more
    Fairview Health Services (07/11/25)
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  • Senior Systems Engineer

    SAIC (Washington, DC)
    **Description** SAIC is seeking a ** Senior Systems Engineer** to support a critical US government agency in the National Capital Region. This SME-level role is ... ideal for an experienced systems engineer with broad technical depth across Microsoft enterprise...+ Windows Server and IIS-based application hosting. + Unix/Linux system administration and troubleshooting (eg RedHat, Solaris ).… more
    SAIC (08/07/25)
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