Inclusion without Exception Tata Consultancy Services (TCS) is an equal opportunity 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: 532540, 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 current 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 activities

Document 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 analytical and problem-solving skills

Good communication and stakeholder management skills Nice-to-Have Skills

Banking or Financial Services domain experience

Experience with batch processing and scheduling tools

Exposure to API and interface testing

Knowledge of Agile delivery methodologies

Experience supporting large-scale enterprise mainframe applications 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. Thank you for your interest in TCS.

Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

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