Mainframe Developer
Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Oct 22, 2026.
Role: Developer. Skills: JCL, SQL. Experience: 5 - 18 Years
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.
TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming 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 and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.
TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.
Role Description
Design, develop, test, and maintain mainframe applications using COBOL, CICS, JCL, and DB2.Analyze business requirements and translate them into technical specifications. Develop and modify online and batch applications. Create and optimize DB2 SQL queries, stored procedures, and database structures. Perform impact analysis for application enhancements and production issues. Troubleshoot and resolve application defects and performance bottlenecks. Support production systems, incident management, and root cause analysis. Participate in application modernization and migration initiatives. Develop and execute unit, integration, and system testing. Prepare technical documentation, program specifications, and operational procedures. Collaborate with cross-functional teams during project implementation and release cycles. Ensure compliance with organizational standards, security policies, and regulatory requirements.
Salary Range - CA$ 100,000 - CA$ 120,000 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.