Senior Technology Architect

Our client is seeking a Senior Technology Architect with deep expertise in mainframe infrastructure and modernization initiatives. This is a strategic role focused on sustaining and evolving critical systems within a complex government environment.

Job Title: Senior Technology Architect

Job Location: Toronto, ON/Hybrid

Job Description:

Must Haves:

·         10+ years of experience supporting mainframe infrastructure.

·         Proven oversight of refresh, migration, and transition activities including team coordination.

·         Experience replacing complex enterprise hardware/services at critical sites.

·         Strong knowledge of modern Data Centre service models and current infrastructure methodologies.

Key Responsibilities:

·         Providing operational support for Mainframe software and program products.

·         Planning, configuring, and installing new Mainframe hardware platforms.

·         Supporting software and networking component migrations and decommissions.

·         Managing incidents, changes, and SLA compliance for daily operations.

·         Delivering technical documentation and system diagnostics to identify root causes.

·         Participating in Mainframe disaster recovery (DR) hardware projects and regular KTLO tasks, including OS and maintenance upgrades.

Offering on-call support and maintaining ticket resolution timelines with ongoing client updates