• Senior Linux System

    Citigroup (Irving, TX)
    …Overview** **:** We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. ... Programming, Linux Server Administration, Linux System Administration, Linux Systems Programming, Python (Programming Language), Red Hat Ansible,… more
    Citigroup (09/23/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in unclassified ... domains in the interest of national security. Job Title: Linux System Administrator Job Code:...Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network… more
    L3Harris (10/17/25)
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  • Senior Hadoop Administrator

    Publicis Groupe (Irving, TX)
    …in Hadoop administration, with at least 3 years focused on Cloudera. + Strong Linux system administration and shell scripting skills. + Hands-on experience with ... **Overview** For this role, we are seeking a ** Senior Big Data Administrator ** with a...+ Bachelor's or Master's degree in Computer Science, Information Systems , or related field. + 5+ years of experience… more
    Publicis Groupe (11/08/25)
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  • Senior Cloud Database Administrator

    Publicis Groupe (Irving, TX)
    **Overview** For this role, we are seeking a Senior Cloud Database Administrator with a balance of skills in database design, physical implementation, and ... Do** + Develop, configure, and manage Data Warehouse database systems and cloud platform work. + Supervise and report...platform work. + Supervise and report on performance metrics, system health, and logging compliance for database services and… more
    Publicis Groupe (11/08/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/ Linux Operating Systems . + Good scripting knowledge using PowerShell, Python, ... help customers to manage risk. Join us as a Senior Endpoint Security Engineer to play your part in...excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that… more
    AIG (08/27/25)
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  • Senior Privileged Access Management…

    RTX Corporation (Richardson, TX)
    …RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It ... comprises three industry-leading businesses - Collins Aerospace Systems , Pratt & Whitney, and Raytheon. Its 185,000 employees...to join our RTX Enterprise Services team: As a Senior PAM Engineer supporting the Identity Access Management team,… more
    RTX Corporation (10/26/25)
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  • Cloud Security Threat Modeler Senior

    Citigroup (Irving, TX)
    …vulnerabilities using **CWE** or **OWASP** frameworks. + Working knowledge of **Operating Systems ** (eg, **Windows** , ** Linux ** ) and their hardening best ... role. + Proven experience with **Jira** or other similar ticketing systems . + Strong understanding of security best practices related to **Authentication**… more
    Citigroup (11/16/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu)_** , including ** System Administration Tasks** like ... maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated...Cloud Native Security Associate (KCSA) + Red Hat Certified System Administrator or like certification + AWS… more
    Citigroup (11/14/25)
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  • Lead - Enterprise Compute Devices

    Toyota (Plano, TX)
    …Standards:** + Establish and maintain device standards, including configurations for operating systems (iOS, Windows, Linux , etc.), browsers, and group policies ... performance, and security of all enterprise compute devices. Reporting to the Senior Manager - Compute Device Engineering, Compliance & Global Collaboration, the… more
    Toyota (11/13/25)
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