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IBM Mainframe Senior Architect in Toronto

Russell Tobin | toronto, Canada | Posted June 08, 2026

Position Overview

Join a leading public sector organization as a Senior Technology Architect specializing in IBM Mainframe in Toronto, ON. This role emphasizes capacity management and performance optimization.

As a Senior Technology Architect, you will play a crucial part in sustaining enterprise Mainframe operations through analytical skills and strategic planning. With 10+ years in managing IBM Mainframe environments, including expertise in capacity trends and SMF data analysis, you will enhance software performance and resource utilization. Your role will greatly affect how we optimize infrastructure for essential government operations.

Key Responsibilities:
• Perform capacity analysis and forecasting activities
• Support Mainframe hardware upgrades and migrations
• Generate performance metrics and reports efficiently
• Manage operational ticketing and SLA compliance
• Collaborate with infrastructure and application teams

Requiremen...

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