Location:

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

Type:

Contract

Duration:

12+ Months with possible extension

Start Date:

ASAP

Job Description: JD Summary – RHEL Migration Engineer (RHEL 9 Upgrade) 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.

Key Responsibilities:

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

WebLogic, WebSphere, 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.

Required Skills:

Strong hands‑on experience in

RHEL 8/9 administration, migration, and upgrade execution .

Expertise in enterprise middleware administration and compatibility validation.

Proficiency in

Shell Scripting, Python, and Ansible automation .

Experience with enterprise change management, patch management, and production support processes.

Robust troubleshooting, problem-solving, and communication skills.

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