• Senior Linux System

    Citigroup (Irving, TX)
    Linux Programming, Linux Server Administration , Linux System Administration , Linux Systems Programming, Python (Programming Language), ... are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance...will serve as a subject matter expert (SME) on Linux systems , providing deep operational insight, advanced… more
    Citigroup (09/23/25)
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  • Senior Manager, Systems

    Publicis Groupe (Irving, TX)
    …platforms that serve billions of data-driven interactions every day. We're looking for a Senior Manager, System Administration , to lead the modernization of ... we deliver. **What You'll Achieve** + Lead a global Windows and Linux operations team responsible for high-volume, mission-critical infrastructure. + Champion an… more
    Publicis Groupe (10/15/25)
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  • Infrastructure Senior Technology Analyst…

    Citigroup (Irving, TX)
    …come join us. We'll enable growth and progress together. The Infrastructure Senior Technology Analyst is an intermediate level role responsible for assisting with ... LAN / WAN and help desk administration activities, including network maintenance, technical guidance, and security in coordination with the Technology Infrastructure… more
    Citigroup (09/02/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …US citizens are eligible for this role. Preferred Skills: Experience with System Administration of Windows and Linux Systems is highly desired. This is ... cost and technical volumes. + Assist in Cost Account Management. + High level system administrator skills under Windows or Linux (prefer both). + Experience with… more
    CAE USA INC (10/24/25)
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  • Cyber Systems Security Engineer - Skunk…

    Lockheed Martin (Fort Worth, TX)
    …experience\. Tactical Data Systems experience\. **Desired Skills:** Experience with Linux system administration and troubleshooting, specifically with ... Be More Than You Can** _Imagine_ **\.** The Cyber Systems Security Engineer Senior candidate is responsible...Hat Enterprise Linux \(RHEL\)\. Experience with Windows system administration and troubleshooting Strong communication and… more
    Lockheed Martin (10/18/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu)_** , including ** System Administration Tasks** like **_User Management, Service Restarts,_** and **_File ... environment. + Experience managing and troubleshooting ** Linux Operating Systems ** **_(eg,...with **Configuration Management Tools** **_(eg, Ansible, Puppet, Chef)_** for system administration and infrastructure automation - **_Must… more
    Citigroup (10/18/25)
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  • Big Data Support Engineer- Assistant Vice…

    Citigroup (Irving, TX)
    …in on-call rotations including weekend coverages to provide 24/7 support for critical systems , system changes and respond to production incidents. + Experience ... by the performance of the individual. **Responsibilities:** + The Application Support Senior Analyst provides technical and business support for users of Citi… more
    Citigroup (09/30/25)
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  • IT Services- Penetration Testing Manager (US…

    PwC IT Services Co. (Fort Worth, TX)
    …security engineering, architecture, and application security; and, Demonstrating prior system administration , incident response, Security Operations Center (SOC) ... (ISMS), Information Security Risk Assessments, Intellectual Curiosity, Intrusion Detection System (IDS), IT Infrastructure, Kali Linux , Learning Agility {+… more
    PwC IT Services Co. (10/10/25)
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  • Digital Solution Area Specialist - Azure Sales

    Microsoft Corporation (Irving, TX)
    …by leading with Migration opportunities with Windows Server, SQL Server and Linux Estate. We enable customers' cloud modernization at scale driving innovation with ... customer satisfaction, through digital sales excellence, empowered by world-class data, marketing systems and platforms. + Be the key trusted advisor and influencer… more
    Microsoft Corporation (10/10/25)
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