We are seeking an experienced ETL Tester with a strong background in Informatica, Talend, and Ab Initio. The ideal candidate will have a solid understanding of Data Warehouse concepts and ETL testing methodologies. This role requires extensive experience in writing and executing complex SQL and PL/SQL queries, as well as knowledge in developing UNIX commands to automate ETL processes. The candidate will be responsible for analyzing ETL mapping documents and developing SQL scripts to validate data inputs and outputs. Additionally, the role involves creating test cases and strategies based on ETL mapping artifacts and performing data analysis to identify potential root causes of issues. Hands-on experience with Selenium, JavaScript, and Selenium WebDriver is preferred.