Software Engineer (Mainframe)
Sun Life•Waterloo, ON
•$65,000 - $105,000•Hybrid
About The Position
We're evolving how we attract and engage with our clients, and as a Mainframe Software Engineer on our team, you'll design, develop, support, and analyze large-scale applications and systems. This is a hands-on role focused on building high-quality solutions while growing your technical depth and contributing to meaningful client experiences. This role is ideal for an engineer who thrives in a collaborative environment, values learning and continuous improvement, and can adapt to changing priorities while maintaining delivery quality.
Requirements
- 3 - 5 years of experience in mainframe application development
- Working knowledge of zOS / OS/390 environments
- Experience with TSO/ISPF, DB2, IMS, JCL, and COBOL
- Understanding of MQ and middleware concepts
- Strong problem-solving and communication skills
Nice To Haves
- Familiarity with Git, Bitbucket, Jenkins, and zDevOps pipelines is a plus
- Experience with agile methodologies such as Scrum or Kanban is an asset
- Bilingualism (French, English, both oral and written) is required for Quebec only
Responsibilities
- Break down and analyze application requirements into well-scoped work items
- Design and develop mainframe applications under the guidance of senior engineers
- Identify risks and raise them early to protect delivery timelines
- Make sound technical decisions aligned with team standards and long-term maintainability
- Contribute to maintaining the health, reliability, and evolvability of existing systems
- Contribute to end-to-end application development using modern mainframe tools (IBM IDz, zDevOps, VS Code, Zowe, GitHub Copilot)
- Write production-quality COBOL code with appropriate testing and documentation
- Learn and apply lightweight engineering practices that balance speed and quality
- Stay current with emerging technologies and AI-assisted development tools
- Work with peers, senior engineers, and stakeholders to deliver solutions
- Clearly communicate progress, risks, and trade-offs
- Contribute to improving client and developer experience through collaboration
- Share knowledge with peers and contribute to improving team practices and standards
Benefits
- Ongoing learning through coaching, training, and hands-on experience
- Access to modern development tooling and a supportive team environment
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
