Senior Mainframe Developer (IMS/DB2/PL1) with experience with legacy applications

S.i. Systems • Toronto, Ontario • Posted March 17, 2026

Position Overview

Our insurance client is looking for a Senior Mainframe Developer (IMS/DB2/PL1) with experience with legacy applications

Duration: 1 year

Location: Winnipeg or London or Regina or Toronto office - on site 3 days a week

On call - Participate in a 24x7 - 6 person On-call team rotation

Responsibilities:

  • Provide Leadership
  • Design, develop and test software to specifications.
  • Support production (includes 24x7 on call support).
  • Provide consultation with the Systems Architect and Business Systems Analyst.
  • Participate in project planning and assessments.
  • Deliver code reviews and provide feedback relative to best practices.
  • Coach and mentor staff.
  • Must Haves:

  • A degree in computer science or an equivalent combination of education and experience, with a minimum of 8+ years of experience in a software developer role.
  • Mainframe development experience
  • IMS/DB2 and Pl1 <...