Tata Consultancy Services (TCS) is an equal prospect employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

Tata Consultancy Services (BSE: , NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Mainframe Tester

Job Summary

The Mainframe Tester is responsible for planning, managing, and executing quality assurance activities for mainframe applications. This role involves analyzing business and system requirements, designing and executing test cases, managing defects, and ensuring the quality and reliability of mainframe-based solutions. The position works closely with development, business, and support teams to identify issues and drive resolutions.

Key Responsibilities





- Analyze business and system requirements to define testing scope and approach
- Design, develop, and execute test cases for mainframe applications
- Plan and manage testing activities across the project lifecycle
- Validate application functionality, data integrity, and system performance
- Identify, track, and manage defects through resolution
- Perform functional, integration, system, and regression testing
- Collaborate with development teams to troubleshoot and resolve technical issues
- Provide feedback on system quality, operational risks, and production readiness
- Support UAT and production validation activitiesDocument test results, defect reports, and testing metrics

Must-Have Skills

- Strong experience in Mainframe Testing
- Knowledge of mainframe technologies such as COBOL, JCL, CICS, DB2, and VSAM
- Experience in test planning, test case design, execution, and defect management
- Ability to analyze business and system requirements
- Experience with functional, integration, system, and regression testing
- Strong troubleshooting and root cause analysis skills
- Understanding of SDLC, STLC, and QA best practices
- Experience working with test management and defect tracking tools
- Strong ana lytical and problem-solving skills
- Good communication and stakeholder management skills

Nice-to-Have Skills

- Experience with batch processing and scheduling tools
- Exposure to API and interface testing
- Knowledge of Agile delivery methodologies

Salary Range - CA$ 90,000 - CA$ 110,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

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📌 Mainframe Tester (Toronto)
🏢 Tata Consultancy Services
📍 Toronto