Full Time

Quality Engineering Specialist – Mainframe & ATM Systems

Posted by CGI • Toronto, Ontario, Canada

📍 Toronto, Ontario 🕒 March 02, 2026

About the Role

Position Description:

This role is hybrid and requires you to be at our Client office at a minimum 4 days per week - subject to change at any time. 

As a Quality Engineering Specialist, you will work in a testing and quality assurance capacity on our core mainframe cards and transactions system, ensuring stability, reliability, and quality across critical banking services.

The core application is a large, sophisticated mainframe-based system that connects clients to their banking products and services. This 24/7 application supports critical delivery channels such as Online Banking, POS, ATM, and other high-volume transaction platforms.

Your future duties and responsibilities:

. Design, develop, execute, and maintain test strategies, test plans, and test cases for mainframe applications
. Perform functional, integration, regression, and system testing across online and batch environments
. Validate end-to-...

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