ES
Release Engineer – RHEL Migration
Epsilon Solutions LTD
🇨🇦 Canada
On-site
3 months ago
- RHEL
- Linux
- CI/CD
- Docker
- Podman
- Kubernetes
- Jenkins
- Groovy
- Python
- CMake
- Ansible
3 months ago
Location: Calgary- Hybrid
Hire Type: Contract
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:
Strong 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 · Epsilon Solutions LTD