Senior z/OS Mainframe System Programmer

Stafflink

📍 Toronto, Ontario, Canada 💼 Full-time 🕒 Posted June 26, 2026

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Job Description

Job Description
We are seeking a Senior Mainframe System Programmer with deep technical expertise and hands-on experience to join our clients high-performing IT infrastructure team. This is a critical role supporting enterprise-grade mainframe systems, tools, and application environments across distributed and host systems.Key Responsibilities:Lead the installation, upgrade, and customization of z/OS ISV software in a multi-system mainframe environment.
Act as the primary SME for installing and maintaining:
CA Suite of Products
IBM Program Products
IBM WebSphere MQ for z/OS
SAS MXG
Omegamon Suite & Boxscore
Automation tools (SA/390, CA OPSMVS)
Provide comprehensive support to Application Development, IT Infrastructure, Operations, and Production Support teams.
Manage system performance, capacity planning, and hardware configuration to ensure high availability.
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Job Details

Location Toronto, Ontario
Job Type Full-time
Category Computer Occupations
Posted Date June 26, 2026
Application Deadline August 05, 2026