• Sr . Linux Systems

    RTX Corporation (Richardson, TX)
    …will be supporting a Raytheon program in a classified environment as a ** Sr . Linux System Administrator ** . Responsibilities include building, maintaining, ... and securing Information Technology systems and directly supporting customer mission-critical capabilities. + You will work closely with program developers and… more
    RTX Corporation (11/19/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks… more
    RTX Corporation (11/21/25)
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  • Sr . Engineer - OneTech

    Toyota (Plano, TX)
    …team** to build and maintain secure, scalable, and resilient cloud infrastructure and systems . The Senior Engineer will manage the Information Technology (IT) ... technology and interested in joining a collaborative and highly motivated team as a Senior Engineer focused on DevOps. Reporting to the Senior Manager - Compute… more
    Toyota (11/21/25)
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  • Senior Hadoop Administrator

    Publicis Groupe (Irving, TX)
    **Overview** For this role, we are seeking a ** Senior Big Data Administrator ** with a balance of skills in database design, physical implementation, and ... + Bachelor's or Master's degree in Computer Science, Information Systems , or related field. + 5+ years of experience...at least 3 years focused on Cloudera. + Strong Linux system administration and shell scripting skills. + Hands-on… 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 ... clients. **What You'll Do** + Develop, configure, and manage Data Warehouse database systems and cloud platform work. + Supervise and report on performance metrics,… more
    Publicis Groupe (11/08/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Senior for the F\-35 Mission Planning Environment \(MPE\) Hardware and Software Integration Team \(HSI\) in ... anomaly corrections\. **What You Will Be Doing** As the Systems Engineer Senior your responsibilities will include:...and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a… more
    Lockheed Martin (10/31/25)
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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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  • 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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  • Principal Engineer - Endpoints

    Toyota (Plano, TX)
    …engineering, or a related IT role + Proven experience managing multiple operating systems (Windows, macOS, Linux /Unix, iOS, Android) and diverse environments at ... role is to configure, install, maintain and upgrade computer systems hardware and software, administer and maintain security of...servers, desktops, printers and storage devices. Reporting to the Sr . Manager - OneTech, the person in this role… more
    Toyota (11/22/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …or a large, complex, and/or global environment. + Experience managing and troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux ... support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled… 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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  • Principal Engineer - Cybersecurity Data Protection

    Toyota (Plano, TX)
    …is to provide expert-level security architecture guidance on securing our Unix/ Linux infrastructure hosted in North American facilities and Cloud environments. ... Reporting to the Senior Manager of Cyber Tools Operations and Strategy (CTOS),...data storage technologies (NAS, SAN, cloud storage) and database systems . **Added Bonus If You Have:** + Excellent problem-solving… more
    Toyota (11/22/25)
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