• Cyber Systems Administrator / Principal Cyber…

    Northrop Grumman (San Antonio, TX)
    …get to Do:** + Provide Tier 1 and Tier 2 technical support (Domain Administration , System Administration , and Network Administration ). + Monitor and maintain ... management and end users. + Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system software,… more
    Northrop Grumman (10/10/25)
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  • Operational Technology (OT) Engineer

    CGI Technologies and Solutions, Inc. (Houston, TX)
    …in OT engineering, industrial automation or energy systems. . Advanced proficiency in Linux OS administration and scripting. . Strong development experience in ... Operational Technology systems. This role requires advanced technical capabilities in Linux OS, software development (Python & Java), and industrial communication… more
    CGI Technologies and Solutions, Inc. (10/09/25)
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  • Windows/VMware Systems Administrator

    GovCIO (San Antonio, TX)
    …testing, and troubleshooting + Project Management (project planning, documentation, RFCs) + Linux System Administration Skills (preferred: Red Hat Enterprise ... such as planning/deploying/maintaining/supporting servers such as Red Hat Enterprise Linux or Windows, database system. backup system, and the...Linux ) + DB Administration Experience (desired: Microsoft SQL, MySQL, or Informix) +… more
    GovCIO (09/23/25)
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  • Senior Network Systems Administrator - PDA

    General Dynamics Information Technology (Fort Bliss, TX)
    …+ Must have administrative knowledge of Microsoft Server 2019, Red hat Linux , Windows 11, SQLEXPRESS, ESS, ACAS, and Microsoft Hyper Visor. + Must hold or ... network. + Provides cross training for other technicians. Performs network administration duties and provides technical support to users. + Configure communication… more
    General Dynamics Information Technology (09/27/25)
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  • System Administrator

    METECS (Houston, TX)
    …and cybersecurity posture. If you have a strong background in Windows, Linux , Cloud Technologies, and information security practices (ISO 27001), we would love ... to hear from you. Key Responsibilities: + Provide support for Linux -based systems and servers, including installation, maintenance, and troubleshooting. + Contribute… more
    METECS (09/18/25)
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  • Systems Engineer

    Robert Half Technology (Spring, TX)
    …Engineer will play a key role in the planning, deployment, administration , and optimization of servers, virtualization platforms, cloud services, and enterprise ... Key Responsibilities + Design, configure, and maintain Windows and/or Linux server environments + Administer virtualization platforms (VMware, Hyper-V, etc.)… more
    Robert Half Technology (10/02/25)
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  • Windchill Application Administrator, Principal…

    RTX Corporation (Plano, TX)
    …in a related field and minimum 3 years' experience. + Experience with Linux /Unix commands, operations, and administration + Experience working individually and ... patching, or major upgrades of multiple applications, Apache web server, Red Hat Linux operating system, Oracle database, etc. + Deploying the PDM tool-suite (for… more
    RTX Corporation (09/19/25)
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  • Sr. Principal System Administrator

    RTX Corporation (Plano, TX)
    …IT infrastructure problems. **What You Will Do: ** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... are eligible for a security clearance. + Experience with Linux and Windows environments. + Experience with data RAID,...NetBackup + High Performance Computing (HPC) experience in a Linux environment **What We Offer:** + Our values drive… more
    RTX Corporation (09/09/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …the following functions: + Perform Security related tasks, including day-to-day administration , fine tuning to reduce false positives and improve effectiveness and ... and expertise with Infrastructure hardening and Security settings for Windows and Linux . + Intermediate to Expert level knowledge on Windows & Active Directory,… more
    AIG (08/27/25)
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  • Cybersecurity Engineer

    AIG (Dallas, TX)
    …business security requirements. Perform Security related tasks, including day-to-day administration , capacity (sizing according to the amount of storage) planning, ... and expertise with Infrastructure hardening and Security settings for Windows and Linux . + Intermediate to Expert level knowledge on Windows & Active Directory,… more
    AIG (08/27/25)
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