AIA - Face to Face Interview - Chennai Skill ETL Testing Experience - 4 to 9 Years Location Chennai Drive 06 Dec 2025 Key responsibilities Design and execution Develop and execute test plans test cases and scripts to validate the entire ETL process from data extraction to transformation to loading Data validation Verify the accuracy completeness and integrity of data by comparing source and target data often using SQL queries and ETL tools Defect management Identify document and report defects and issues found during testing and work with development teams to resolve them Collaboration Work closely with ETL developers data analysts and business stakeholders to understand requirements and ensure the final data meets business needs Documentation Maintain test cases test scripts and detailed documentation for testing procedures and results Automation Develop and maintain automated test suites to improve efficiency especially for regression testing Performance testing Validate the performance and reliability of ETL operations to ensure they can handle the required data volumes Required skills and qualifications Technical skills Solid proficiency in SQL is essential for data validation Knowledge of data warehousing concepts like dimensional modeling and various ETL tools such as Informatica Talend or SSIS is also required Analytical skills Ability to analyze complex data sets and identify inconsistencies or discrepancies Communication skills Effectively communicate test findings and potential solutions to both technical and non-technical audiences Problem-solving Ability to troubleshoot and find the root cause of data quality issues Education A bachelor s degree in computer science information technology or a related field is often preferred

📌 Etl Testing (Tamil Nadu)
🏢 Cognizant Technology Solutions
📍 Tamil Nadu