Cloud Technologies
Release Engineer – RHEL Migration / Platform Modernization
Calgary, ABContract · On-site 1 month ago
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.
