{"id":3737265,"url":"https://alion.io/job/s-i-systems-senior-edw-quality-engineer","title":"Senior EDW Quality Engineer","company":{"id":3865830,"name":"S.i. Systems","domain":"sisystems.com","url":"https://alion.io/company/sisystems-2","size_band":"1001-5000","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"QA","role_family":"QA","seniority":"senior","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"GCP","optional":false},{"name":"Google BigQuery","optional":false},{"name":"Jira","optional":false},{"name":"SQL","optional":false},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-25T09:22:19Z","employer_posted_date":null,"last_verified_at":"2026-09-25T09:22:19Z","board_verified":false,"closed_at":null,"days_open":41,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":41},"description":"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\n\nJoin 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.\n\nContract (6 months, extension likely), Toronto Hybrid (2 days North York & 2 days Downtown), Working Hours: EST\n\nResponsibilities\nCollaborate with developers, business analysts, data engineers, and stakeholders to resolve data quality issues\nParticipate in requirements reviews, source to target mapping sessions, and design discussions\nAnalyze source to target mappings and create test strategies and test cases\nExecute SQL queries and validate ETL transformations across Oracle, SQL Server, and BigQuery platforms\nValidate end to end ETL workflows, data pipelines, and data movement across source, staging, and target environments\nSupport automated data validation, reconciliation, and regression testing where applicable\nMaintain test cases, defect logs, test results, and QA artifacts in Jira and Confluence\n\nMust Haves\n7+ years of hands on experience in ETL testing, data validation, source to target reconciliation, and end to end validation in Data Warehouse environments\nHands on experience with GCP and BigQuery (mandatory), including complex queries for reconciliation and troubleshooting\nStrong experience with SQL, backend testing, and ETL validation across Oracle and SQL Server\nProven ownership of test planning, execution, regression validation, defect management, and testing sign off\nBachelor's degree or equivalent experience\n\nNice to Have\nInformatica PowerCenter\nAirflow / Cloud Composer\nETL test automation using Python and SQL\nGit / GitHub\nCI/CD tools\nAdobe platforms\nISTQB certification\n\nDisclaimer:\nAI may be used in evaluating candidates.\nThis posting is for an existing 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