Mainframe QE

Toronto, ON
On-site
Posted Oct 16, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Design and execute test plans, cases, and scripts for mainframe applications, covering functional, integration, regression, system, and end-to-end testing. Validate batch jobs, online transactions, file processing, and DB2 data; manage defects, support UAT and production validation, and maintain test documentation and reports.

Job details

Role : Mainframe Quality Engineer (QE) Experience: 7+ Years Duration : Contract Job Summary We are seeking an experienced Mainframe Quality Engineer with strong expertise in manual and automation testing of mainframe applications. Banking or Financial Services domain experience is preferred. Key Responsibilities Design and execute test plans, test cases, and test scripts. Perform functional, integration, regression, system, and end-to-end testing. Validate batch jobs, online transactions, file processing, and DB2 data. Analyze requirements and develop effective test scenarios. Execute SQL queries for backend data validation. Track and resolve defects using Jira or ALM. Support UAT, production validation, and Agile ceremonies. Maintain test documentation and execution reports. Required Skills 7+ years of Mainframe Testing or Quality Engineering experience. Strong knowledge of COBOL, JCL, CICS, DB2, VSAM, and TSO/ISPF. Experience testing batch and online applications. Hands-on SQL and backend data validation skills. Familiarity with Jira, ALM, and defect management. Strong analytical, troubleshooting, and communication skills.

What you’ll do

Requirements

Requires 7 or more years of mainframe testing or quality engineering experience and strong knowledge of COBOL, JCL, CICS, DB2, VSAM, and TSO/ISPF. Candidates should have experience testing batch and online applications, SQL and backend data validation skills, familiarity with Jira or ALM, and strong analytical, troubleshooting, and communication abilities; banking or financial services experience is preferred.