Querentia®Talent · Trust · Thrive
Cloud Technologies

Release Engineer – RHEL Migration / Platform Modernization

Calgary, ABContract · On-site 1 month ago

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About the role

Job Description

We are seeking a Release Engineer to support an enterprise RHEL7 to RHEL9 modernization initiative. The ideal candidate will have strong hands-on experience in Linux platform engineering, CI/CD, containerization, package engineering, and security remediation .

Key Responsibilities

  • Lead migration of applications and services from RHEL7 to RHEL9 , resolving package and dependency issues.
  • Build, compile, and manage RPM packages and troubleshoot binary compatibility challenges.
  • Modernize container platforms by migrating from Docker to Podman and supporting Rancher-managed Kubernetes environments.
  • Develop and maintain Jenkins CI/CD pipelines using Groovy , and build automation tools using Python .
  • Perform vulnerability remediation , CVE resolution, and implement RHEL9 security hardening.
  • Automate large-scale OS configuration using Ansible and support secure software supply chain practices.

Required Skills & Experience

  • 5-7 years of Linux/Platform Engineering experience with 5+ years of hands-on Red Hat Enterprise Linux (RHEL) administration, including RHEL9 .
  • Strong expertise in Linux administration, Python, Groovy, Jenkins, Ansible, Docker, Podman, Kubernetes, and Rancher .
  • Experience with Make, CMake, GCC , package engineering, and CI/CD automation.
  • Strong background in platform modernization, containerization, and OS migration .
  • Experience with security hardening, vulnerability remediation, and enterprise infrastructure modernization .
  • Excellent communication skills with the ability to work in client-facing environments.

Ideal Candidate

A hands-on Platform/Release Engineer with deep Linux engineering expertise who has successfully delivered RHEL modernization, CI/CD automation, and container platform transformations . Pure support or system administration profiles are not suitable.

This engagement is managed end-to-end by Querentia. Our recruiters give you honest feedback at every stage, prepare you for the interview, and support a smooth onboarding once you land the offer.