Senior EDW Quality Engineer
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Location
Hybrid (Toronto, Canada)
Seniority
Senior
Employment
Contractor
First seen by Alion on Sep 25, 2026.
Overview
Company
Impact
Profile match
S.i. Systems is one of Canada's largest IT staffing and talent recruitment agencies, specializing in contract staffing, direct-hire placements, contractor payrolling, and IT project solutions. Headquartered in Calgary, Alberta - with major offices across Toronto, Vancouver, Ottawa, and other key metropolitan centers - the firm connects organizations with highly skilled technology professionals across cybersecurity, software development, cloud infrastructure, enterprise systems, and data analytics. Backed by an extensive nationwide network of pre-screened IT contractors, it supports corporate and public sector clients navigating large-scale digital transformations and complex technical initiatives.
Backed by TorQuest Partners
Our financial services client is seeking a Senior EDW Quality Engineer (10+ years of experience) to lead hands on ETL testing and data validation using GCP/BigQuery
Join a critical enterprise data warehouse initiative within the banking sector focused on large scale ETL testing, data validation, and reconciliation activities. This role supports end to end validation of data pipelines across Oracle, SQL Server, BigQuery, and GCP data services. The position includes ownership of test planning, execution, regression validation, defect management, and testing sign off activities for EDW initiatives.
Contract (6 months, extension likely), Toronto Hybrid (2 days North York & 2 days Downtown), Working Hours: EST
Responsibilities
- Collaborate with developers, business analysts, data engineers, and stakeholders to resolve data quality issues
- Participate in requirements reviews, source to target mapping sessions, and design discussions
- Analyze source to target mappings and create test strategies and test cases
- Execute SQL queries and validate ETL transformations across Oracle, SQL Server, and BigQuery platforms
- Validate end to end ETL workflows, data pipelines, and data movement across source, staging, and target environments
- Support automated data validation, reconciliation, and regression testing where applicable
- Maintain test cases, defect logs, test results, and QA artifacts in Jira and Confluence
Must Haves
- 7+ years of hands on experience in ETL testing, data validation, source to target reconciliation, and end to end validation in Data Warehouse environments
- Hands on experience with GCP and BigQuery (mandatory), including complex queries for reconciliation and troubleshooting
- Strong experience with SQL, backend testing, and ETL validation across Oracle and SQL Server
- Proven ownership of test planning, execution, regression validation, defect management, and testing sign off
- Bachelor's degree or equivalent experience
Nice to Have
- Informatica PowerCenter
- Airflow / Cloud Composer
- ETL test automation using Python and SQL
- Git / GitHub
- CI/CD tools
- Adobe platforms
- ISTQB certification
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
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