Mainframe Developer

Toronto, ON
Hybrid
Posted Oct 7, 2026
1 position

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Employment type: Contract
Experience level: Senior · 8+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop, enhance, and support enterprise banking applications on IBM z/OS, including COBOL, JCL, DB2, CICS, and VSAM applications and batch processes. Analyze requirements, test and debug code, troubleshoot production issues, collaborate across delivery teams, and participate in deployments, code reviews, and SDLC/Agile activities.

Job details

Role : Mainframe Developer Location: Toronto, ON | Hybrid | 8+ Years Job Description: Seeking a Mainframe Developer to develop, enhance, and support enterprise banking applications on IBM z/OS. Key Roles & Responsibilities: Develop and maintain COBOL, JCL, DB2, CICS, and VSAM applications. Analyze requirements and translate them into technical solutions. Perform coding, unit testing, debugging, and production support. Troubleshoot application and batch-processing issues. Develop and maintain JCL jobs and batch processes. Collaborate with BA, QA, development, and production support teams. Participate in deployments, code reviews, and SDLC/Agile activities. Ensure applications meet RBC security, quality, and compliance standards. Must-Have: COBOL, JCL, DB2, CICS, VSAM, z/OS, Batch Processing, Production Support. Nice to Have: MQ, CA7/Control-M, REXX, Endevor/Changeman, Banking/Financial Services.

What you’ll do

Requirements

The role requires 8+ years of experience and hands-on knowledge of COBOL, JCL, DB2, CICS, VSAM, z/OS, batch processing, and production support. Banking or financial services experience and familiarity with MQ, CA7/Control-M, REXX, and Endevor/Changeman are desirable.