Full-time Posted June 19, 2026
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Job Description

Drive system development as a Mainframe Developer at Tata Consultancy Services (TCS) in Mississauga, ON. Focus on COBOL and database management in a dynamic team atmosphere.

The ideal candidate for TCS’s Mainframe Developer role has 5 to 18 years of relevant experience. You will utilize languages such as COBOL and PL/I, ensuring high performance through software development and optimization. Collaboration and clear documentation are key elements of the role in maintaining TCS’s commitment to diverse and effective workforce practices.

Key Responsibilities: • Write and enhance applications using COBOL and SQL • Generate comprehensive technical and functional documentation • Optimize system processes for enhanced performance • Troubleshoot and rectify production issues rapidly • Collaborate effectively with various IT teams

Requirements: • 5 - 18 years of experience in mainframe environments • Expertise in COBOL and JCL programming • Experience with DB2 for z/OS...

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