RHEL Migration Engineer (RHEL 9 Upgrade

Location: Toronto, ON - Hybrid Role (2-4 days a week)

Type: Contract

Duration: 12+ Months with possible extension

Start Date: ASAP

We are seeking an experienced RHEL Migration Engineer to support large-scale Red Hat Enterprise Linux (RHEL) 9 upgrade and migration initiatives across enterprise environments. The ideal candidate will have strong expertise in Linux administration, OS upgrade planning and execution, middleware compatibility validation, and automation-driven migration activities.

• Plan, coordinate, and execute RHEL 8 to RHEL 9 upgrade and migration activities, including system assessment, compatibility analysis, patching, testing, and production cutover.
• Perform pre- and post-upgrade validation to ensure application stability, performance, and compliance with enterprise standards.
• Validate and troubleshoot middleware platforms such as Web Logic, Web Sphere, Tomcat, JBoss, and Apache HTTP Server for OS upgrade compatibility, configuration changes, and issue remediation.
• Develop and utilize automation solutions using Shell Scripting, Python, and Ansible to streamline upgrade, validation, rollback, and reporting processes.
• Work closely with infrastructure, application, middleware, and security teams to resolve migration-related issues and ensure successful deployment.
• Document migration procedures, upgrade runbooks, rollback plans, and operational handover artifacts.
• Support troubleshooting, performance tuning, and risk mitigation throughout the migration lifecycle.

• Strong hands‑on experience in RHEL 8/9 administration, migration, and upgrade execution
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• Expertise in enterprise middleware administration and compatibility validation.
• Proficiency in Shell Scripting, Python, and Ansible automation
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• Experience with enterprise change management, patch management, and production support processes.
• Strong troubleshooting, problem-solving, and communication skills.