ETL & Data Warehouse Validation Engineer (SQL/Unix)

Astra-North Infoteck Inc. is looking for an ETL Data Tester to join our data engineering team in Toronto. You will test end-to-end ETL processes, validate data mappings and business rules, and design test scripts for data integrity across data warehouses.

You will write advanced SQL queries, work with UNIX/Linux environments for validation, and collaborate with developers and analysts to resolve defects. Prior Informatica knowledge and Python automation are strong advantages.