Our financial services client is seeking a Senior Mainframe Developer (10+ years of experience) to design, develop, test, and implement enterprise mainframe applications using COBOL, JCL, CICS, VSAM, and SAS Join a banking technology team supporting mission-critical mainframe applications within a high-volume enterprise setting.

This role focuses on end-to-end application development, batch processing, testing, implementation, and production support across mainframe platforms and online transaction processing systems.

The position offers exposure to large-scale enterprise systems and opportunities to deepen expertise in mainframe engineering and operational support.

The team operates in a collaborative workplace supporting both BAU and project-based initiatives.

Contract, Toronto, Hybrid, 2 days in office Monday and Wednesday 12 months Must Haves 10+ years in application development across enterprise applications , mainframe solutions , batch processing systems , and online transaction processing Hands-on COBOL , JCL , CICS , VSAM , SAS , and batch processing frameworks SAS , CA-7 , IBM OS/ , Z/OS , TSO ,



ISPF , File-aid , TIBCO , NDM , FTP , Endevor , Test Sets , Service Now Application design , development , testing , implementation , and production support within enterprise mainframe settings Undergraduate degree in Computer Science, Engineering, or equivalent experience Nice to Have Experience in financial services or Card Payment Network industries Technical Certificate Responsibilities Translate business requirements into technical design documents Design, code, integrate, test, debug, and implement mainframe solutions Support enhancements, maintenance, and break/fix implementations across source code, JCL, and batch cycles Perform unit testing, system testing, integration testing, and production implementation activities Analyze production incidents and support recovery and incident resolution activities Support seed testing and production deployments Provide day-to-day project status, delivery progress, and risk updates to stakeholders

📌 Senior Mainframe Developer 10+ Years Of Experience To Design, Develop, Test, And Implement Enterprise Mainframe Applications Using Cobol, Jcl, Cics, Vsam, And Sas 58288 Toronto
🏢 S.i. Systems
📍 Toronto