• 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 ... system availability, performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks using Ansible and Bash shell scripting + Troubleshoot hardware and software… more
    RTX Corporation (11/21/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Linux System Administrator Job Code: 29921 Job Location: Greenville, TX Schedule: ... 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System...writing of work instructions and build manuals + Support senior staff on documenting operational processes, configurations, and diagrams… more
    L3Harris (10/17/25)
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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 ... administration, with at least 3 years focused on Cloudera. + Strong Linux system administration and shell scripting skills. + Hands-on experience with Cloudera… 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 ... + Adhering to SDLC, Change Management, and troubleshooting procedures. + Solid Unix/ Linux and shell scripting skills. + Excellent written and verbal communication.… more
    Publicis Groupe (11/08/25)
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  • Cloud Security Threat Modeler Senior

    Citigroup (Irving, TX)
    …frameworks. + Working knowledge of **Operating Systems** (eg, **Windows** , ** Linux ** ) and their hardening best practices. + Familiarity with **Development ... Certified: Azure Solutions Architect Expert + Microsoft Certified: Azure Administrator Associate + CompTIA Cloud **Cybersecurity Certifications (Foundational Level):**… more
    Citigroup (11/16/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled ... escalating and reporting control issues with transparency. + Present technical work to senior stakeholders, the team, and other technical teams. + Mentor and train… more
    Citigroup (11/14/25)
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  • Lead - Enterprise Compute Devices

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

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

    Toyota (Plano, TX)
    …provide expert-level security architecture guidance on securing our Windows and Unix/ Linux infrastructure hosted in North American facilities and Cloud environments. ... Reporting to the Senior Manager of Cyber Tools Operations and Strategy (CTOS),...audiences. + Certifications: Varonis Core Technical Engineer, Varonis Certified Administrator , DatAdvantage, Varonis Certified Remediation Engineer, or other relevant… more
    Toyota (11/22/25)
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