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Senior Technology Architect for Mainframe

Hospitality Full Benefits Career Growth
Company

A.T. Consulting & Recruiting Inc.

Location

toronto, Canada

Posted

June 05, 2026

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About This Opportunity

Elevate your career as a Senior Technology Architect, focusing on Mainframe Performance and Capacity Management. Bring your expertise to the Government of Ontario, engaging in impactful capacity analyses and reporting.

This role requires a seasoned professional with a minimum of 10 years overseeing mainframe infrastructures. You will assess capacity requirements for CPU upgrades, reconcile mainframe billing, and perform complex workload calculations in a multi-partitioned environment. Experience with tools like MICS and RMF is essential to enable effective decision-making in a government setting.

Key Responsibilities:
• Perform capacity requirement assessments for CPU upgrades
• Reconcile mainframe billing for ISV workloads
• Conduct ‘what-if’ impact modeling for services
• Identify and implement CPU cost-saving opportunities
• Drive reporting and data visualization with MICS and RMF

Requirements:
• Minimum of 1...