Senior Etl Test Engineer
Description
Experience: 5+ Years
Location: Chennai
Mode of interview: Face to Face
Employment Type: Contract Position
Key Responsibilities
- Perform ETL testing to validate data extraction, transformation, and loading processes.
- Write and execute complex SQL queries for data validation and verification.
- Perform source-to-target data validation.
- Validate data completeness, accuracy, consistency, and integrity.
- Identify, analyze, and report data discrepancies and defects.
- Perform database testing, backend testing, and data migration testing.
- Work closely with ETL developers, data engineers, and business teams.
- Prepare test cases, test scenarios, and test execution reports.
Required Skills
- Strong hands-on experience in ETL Testing.
- Good knowledge of SQL, including Joins, Subqueries, CTEs, and Stored Procedures.
- Experience in Data Warehouse Testing and Database Testing.
- Knowledge of data validation and source-to-target mapping.
- Experience with ETL tools such as Informatica, SSIS, or DataStage.
- Good analytical and problem-solving skills.
- Experience in defect tracking and test documentation.
Preferred Skills
- Knowledge of BI Testing.
- Exposure to Snowflake, Oracle, or SQL Server.
- Understanding of data warehousing concepts and dimensional modelling.