Sr Datawarehouse QA Engineer

Job Title: QA Engineer Data Warehouse
Location: Noida, India (Onsite)
Employment Type: Full-time

Job Summary

We are looking for a detail-oriented QA Engineer with strong Data Warehouse testing experience to join our team in Noida. The ideal candidate will be responsible for validating data pipelines, ETL processes, and reporting systems to ensure high data quality, accuracy, and performance across enterprise data platforms.

Key Responsibilities

• Perform end-to-end testing of Data Warehouse systems , including source-to-target validation.
• Validate ETL/ELT processes , data transformations, and data loading jobs.
• Develop and execute test cases, test plans, and test scenarios for data validation.
• Perform data reconciliation, data quality checks , and defect analysis.
• Write complex SQL queries to validate data across source, staging, and target layers.
• Test reports, dashboards, and analytics outputs for accuracy and consistency.
• Work closely with Data Engineers, BI Developers, and Business Analysts .
• Log, track, and retest defects using tools like JIRA .
• Support regression testing , performance testing, and UAT activities.
• Ensure compliance with data governance, security, and quality standards.

Required Skills & Qualifications

• 10+ years of experience in QA / Data Testing .
• Strong experience in Data Warehouse testing .
• Excellent SQL skills for data validation and analysis.
• Good understanding of ETL concepts , data modeling, and data warehousing architecture.
• Experience testing large datasets and complex transformations.
• Familiarity with Agile/Scrum methodologies.
• Experience with defect tracking and test management tools.
• Strong analytical, problem-solving, and communication skills.