Quality Engineer – Mainframe
Astra North Infoteck Inc.
- Toronto, ON
- Permanent
- Temps-plein
Work Model: Hybrid (4 days/week in office)Role OverviewWe are seeking a Senior Quality Engineer (QE) with strong mainframe expertise to support testing of critical banking systems. This role focuses on ensuring the quality and reliability of a large-scale, high-availability mainframe application that powers core banking services.The system operates 24/7 and supports essential channels such as online banking, POS, and ATM transactions. The ideal candidate will bring deep experience in mainframe testing, strong analytical skills, and the ability to work in a fast-paced, mission-critical environment.Key Responsibilities1. Test Strategy & Planning
- Design, develop, and maintain comprehensive test strategies and test plans
- Define testing scope, timelines, and deliverables based on business and technical requirements
- Manage testing priorities and ensure timely execution
- Perform:
- Functional testing
- Integration testing
- Regression testing
- Performance testing on mainframe applications
- Execute test cases and validate system behavior against requirements
- Ensure high-quality delivery for banking services and transaction systems
- Lead QA activities for:
- Conversion projects
- Attestation processes
- Audit initiatives
- Contribute to quality governance and compliance requirements
- Identify, document, and track defects through resolution
- Collaborate closely with development and IT teams
- Communicate test results, risks, and quality metrics to stakeholders
- Create and maintain:
- Test cases
- Test plans
- Test artifacts and documentation
- Ensure traceability between requirements and testing outcomes
- Provide occasional after-hours support for production testing (as needed)
- Strong experience in mainframe testing and quality engineering
- Hands-on expertise in:
- COBOL
- JCL
- IMS (DB / Online / Batch)
- DB2
- MQSeries (for testing purposes)
- Experience with:
- Test case design and execution
- Defect tracking and management
- Testing methodologies and QA best practices
- Familiarity with Git and Endevor for version and artifact management
- Excellent communication and stakeholder interaction skills
- Experience with:
- z/OS Connect
- IBM Developer for z Systems (IDz)
- zUnit and test automation frameworks
- Knowledge of CI/CD pipelines for mainframe testing
- Exposure to performance testing tools and techniques
- Understanding of Java/Cloud integration for hybrid systems
- Experience in API testing and service virtualization
- Banking / Financial Services
- Experience with high-volume, transaction-based systems is preferred