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Mainframe Developer – DB2, COBOL, CICS, JCL & zOS.


Job Location:

Toronto - Canada

Monthly Salary: Not provided by the employer
Experience Required: 5years
Posted: 21 August 2026 (15 hours ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Mainframe Developer DB2 Application Development

Toronto ON
Hybrid - 3 days at client office

Skills: Mainframe DB2 - Application Development
Experience Required: 6-8 Years

Seeking a Mainframe Developer to support maintain and modernize critical mainframe applications. The role involves developing and enhancing enterprise systems troubleshooting production issues and participating in large-scale modernization initiatives involving cloud migration and legacy transformation.

Key Responsibilities:

Develop maintain and support mainframe applications and batch processes.
Analyze troubleshoot and resolve production issues while ensuring system stability and performance.
Work with business and technical teams to gather requirements and implement enhancements.
Support mainframe modernization initiatives and integration with distributed cloud platforms.
Participate in code reviews testing deployments and release activities.
Create and maintain technical documentation and operational runbooks.