Release Engineer – RHEL Migration / Platform Modernization Calgary, Canada (Hybrid) F2F Interview Contract : Role: Release Engineer – RHEL Migration / Platform Modernization Work Model: 3 day onsite required Experience: 5 to 7 years overall experience in Linux / Platform Engineering environments, with 5+ years of strong hands-on experience in Red Hat Enterprise Linux (RHEL) administration, engineering, and modernization initiatives including RHEL9 exposure.

Role Overview: Looking for a strong Release Engineer / Platform Engineer to support an enterprise infrastructure modernization initiative focused on migrating environments from RHEL7 to RHEL9. The role involves platform modernization, containerization, CI/CD automation, package engineering, and security/vulnerability remediation.

Key Responsibilities: 1. OS Migration & Package Engineering Execute migration of applications/services from RHEL7 to RHEL9

Resolve binary compatibility and library dependency issues

Build and compile open-source packages from source code

Troubleshoot package and dependency-related issues

Manage lifecycle of RPM packages 2. Containerization & Orchestration Refactor legacy container workflows from Docker to Podman

Architect and maintain Rancher-managed Kubernetes environments





Support migration to RHEL9 Universal Base Images (UBI) 3. Automation & CI/CD Develop and maintain Jenkins pipelines using Groovy shared libraries

Build automation tools and API integrations using Python

Support scalable code-based CI/CD pipelines 4. Vulnerability & Security Management Review vulnerability scan reports and remediate identified CVEs

Ensure compliance with RHEL9 security standards and benchmarks

Maintain secure software supply chain practices Required Technical Skills: Robust hands-on experience with Red Hat Enterprise Linux (RHEL), especially RHEL9

Linux administration and troubleshooting expertise

Python development/scripting experience

Groovy scripting for Jenkins DSL

Experience with Docker, Podman, Kubernetes, Rancher

Strong Jenkins CI/CD experience

Experience with Make, CMake, GCC build systems

Vulnerability remediation and security hardening experience

Experience with Ansible for large-scale OS configuration Important Notes: Strong hands-on engineering depth is critical

Please avoid purely support/admin profiles

Candidates should have real experience in platform engineering, CI/CD, containerization, and OS modernization

Good communication skills required due to client-facing interviews

📌 Release Engineer (RHEL Migration) (Calgary)
🏢 Ardent Softsol
📍 Calgary