Advance your career as a Senior Mainframe Developer with a hybrid role based in Toronto, focusing on large-scale mainframe systems. This contract position starts September 25, 2026.

We seek a seasoned Senior Mainframe Developer with over 10 years of hands-on experience in COBOL, CICS, JCL, and DB2 to take charge of application design and maintain legacy systems. Collaborate with business analysts and quality assurance throughout project delivery.

Key Responsibilities:
• Design and develop mainframe applications with COBOL and CICS
• Handle IMS DB/DC and VSAM data structures
• Write and debug mainframe programs effectively
• Resolve production issues and enhance system performance
• Create XML interfaces and support Tibco integrations

Requirements:
• 10+ years experience in mainframe development
• Proficient in COBOL, CICS, JCL, DB2, and TSO
• Skilled in SAS development for mainframe
• Experience in automation testing on mainframe
• Robust debugging abilities in a large codebase

Leverage your mainframe development expertise to revolutionize systems in Toronto.
#J-18808-Ljbffr

📌 Toronto Senior Mainframe Developer Position (Ontario)
🏢 Agility IT
📍 Ontario