Mainframe Quality Engineer II — Test Strategy & Automation

TD Bank; Toronto; On-site; CAD 82,000 - 115,000; Full time

Job summary

TD Bank in Toronto, Ontario is seeking a Quality Engineer II - Mainframe to lead end-to-end quality engineering for medium-to-high complexity initiatives. You will design test strategies, validate mainframe processing, and drive automation within CI/CD pipelines.

Responsibilities include reviewing requirements, test planning, risk assessment, data validation with SQL and file comparisons, and leading defect triage to ensure release readiness while protecting data integrity and regulatory

Qualifications

• Own the quality engineering approach, detailed planning, estimates, coverage, execution oversight and quality outcomes for assigned mainframe initiatives of medium-to-high complexity.
• Review business requirements, solution designs, technical specifications and data mappings; identify testability gaps, dependencies and risks early in delivery.
• Design and execute end-to-end functional, system, integration, regression, negative, batch, online and implementation-readiness testing across mainframe and connected distributed or API channels.
• Validate COBOL processing, JCL and procedures, IMS transactions, DB2 and IMS data, VSAM and sequential files, reports, interfaces and downstream outputs.

Responsibilities

• Submit and monitor batch jobs, review return codes, spool output and system logs, and investigate common abends or processing failures using TSO/ISPF and SDSF or equivalent tools.
• Develop, maintain and execute resilient automated regression tests; integrate suitable tests into CI/CD/continuous testing pipelines and promote reusable test assets.
• Apply risk-based, shift-left, BDD/TDD and defect-prevention practices; validate user stories, acceptance criteria, Definition of Ready and Definition of Done with delivery partners.
• Lead defect triage for assigned scope, provide clear evidence and diagnostic details, coordinate retesting, and drive priority defects to timely closure.
• Assess test evidence, residual risks and entry/exit criteria; provide clear quality status and an evidence-based release-readiness recommendation to stakeholders.
• Coordinate test environments, dependencies and data needs across development, business analysis, operations, release, vendor and partner teams.

Job description

TD Bank in Toronto, Ontario is seeking a Quality Engineer II - Mainframe to lead end-to-end quality engineering for medium-to-high complexity initiatives. You will design test strategies, validate mainframe processing, and drive automation within CI/CD pipelines.

Responsibilities include reviewing requirements, test planning, risk assessment, data validation with SQL and file comparisons, and leading defect triage to ensure release readiness while protecting data integrity and regulatory