> Markdown version of [/jobs/ext/4662117-senior-etl-data-warehouse-tester-qa-engineer-test-engineer](https://www.wearedevelopers.com/jobs/ext/4662117-senior-etl-data-warehouse-tester-qa-engineer-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior ETL Data Warehouse Tester / QA Engineer/Test Engineer - **Company:** Unisoft Technology Inc - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Data Infrastructure, Extract Transform Load (ETL), Data Warehousing, Disaster Recovery - **Published:** November 10, 2026 - **Apply:** https://www.dice.com/job-detail/756203ca-365c-4aa1-a37d-b80712d4c364 ## About the Role · Minimum twelve (12) years in data warehouse and data platform testing. · Demonstrated experience with reconciliation-gated cutover. · Demonstrated experience validating migrated reporting output against a legacy source of truth. This role is accountable for the test plan and test cases required under that section as stated in the Key Personnel table. Preparation and execution of a test plan covering unit, integration, system, regression, performance, stress, disaster recovery, and user acceptance testing; parallel operation with the legacy EDW for weekly reconciliation reporting; and written cutover approval conditioned on stated reconciliation, UAT, performance, disaster recovery/failover, and runbook/SOP acceptance criteria.Sets Proof of Concept test-case requirements. ## Description We are looking for a ETL Data Warehouse Tester with federal expereince. This role required 2 days onsite in Washingtion, DC area., Accountable for the test plan and test cases, reconciliation testing, parallel-run validation, and data quality verification across migration.