CN | Specialist – MRS – Mainframe Developer

Specialist – MRS – Mainframe Developer

Locations: Toronto, ON | Montreal, QC | Ottawa, ON



  • Analyze system issues or business requirements to design effective solutions
  • Coordinate the delivery of a complete solution
  • Provide work estimates
  • Write new, or modify existing program code based on physical design and/or programming specifications. This includes documenting the program code
  • Conduct unit testing and integration testing when required. Develop, document and execute test scripts/data.
  • Ensure optimal re-use and leveraging of existing program components versus the need for the development of new and/or customized functions.
  • Diagnose and resolve code defects. Determine whether redesign is required for proper resolution.
  • Contribute to, and if required prepare, implementation plan details, including deployment, cutover and fall-back. Execute the implementation plan. This may include making request to update and/or set up of batch job schedules. Ensure that all functions have been promoted successfully to the production environment.
  • Analyze, design and produce application enhancements.
  • Report progress status and issues.
  • Apply, and ensure compliance with, all appropriate CN IT standards (e.g. Code Standards, Security, Architecture, SOX, etc.)
  • Ensure off hours support


  • 5+ years experience with programming language Natural or Cobol, preferably on a mainframe platform
  • Previous experience in a support role of critical applications
  • Bilingualism with high proficiency in English (spoken and written)
  • Strong analytical skills
  • Understanding of batch processing concepts, knowledge of Job Control Language (JCL) an asset
  • Efficient time management skills and multi-tasking capabilities
  • Ability to work independently and as a member of a team