Overview

• 15+ years hands-on experience with IBM RACF administration in z/OS mainframe environments.
• Proficiency with IBM zSecure suite for RACF auditing and automation tasks.
• Demonstrated knowledge and operational support experience with Mainframe technology in a large scale environment similar as the Government of Ontario and 10+ years demonstrated experience in complex projects related to installation/setup, migrations and upgrades.
• Solid understanding of z/OS system internals, TSO/ISPF, JCL, JES2/3, and general mainframe architecture.
• Excellent communication skills to interface with technical and non-technical stakeholders.

Responsibilities

• Provide expert‑level administration and operational support for IBM RACF within the OPS mainframe environment.
• Analyze and resolve complex RACF security issues, including access violations, improper access denials, and audit findings.
• Implement S...