Senior Mainframe Tester — COBOL, CICS, DB2 & API

Pacer Group

Toronto

On-site

CAD 90,000 - 120,000

Full time

11 days ago

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Job summary

Pacer Group is seeking an experienced Mainframe Testing professional in Canada to lead comprehensive testing across functional, integration, system, and regression domains. You will validate COBOL, JCL, DB2, CICS, and REST API integrations, and perform backend data checks using SQL in a fast-paced environment.

Strong knowledge of Endevor, File‑AID, and CA‑7 is required, with hands-on experience in SDLC and Agile practices.

Qualifications

4+ years of experience in Mainframe Testing, including functional, integration, system, and regression testing.
Strong hands‑on experience with IBM Mainframe technologies including COBOL, JCL, DB2, CICS, VSAM, and SQL.
Experience validating REST API integrations with Mainframe applications.
Proficiency in writing and executing SQL queries for backend data validation and DB2 database testing.
Hands‑on experience with Endevor for source code/version control and release management.
Experience using File-AID/File Manager for test data creation, validation, and analysis.
Strong knowledge of CA-7 for batch job scheduling, execution, and validation of batch processes.
Experience in test case design, defect tracking, test execution, and root cause analysis.
Familiarity with Agile/Scrum, SDLC, and defect management tools such as Jira or ALM.