Job Title ETL Tester Location Charlotte, NC Experience 6 - 10 years of experience Responsibilities Analyze data mapping documents and business requirements to design comprehensive test plans and cases. Perform source‑to‑target data reconciliation, check data loading, and ensure transformation rules are applied correctly. Write complex SQL scripts for validation (count, data completeness, data consistency, data truncation). Identify, log, and track data defects using tools such as JIRA, HP ALM, or Octane. Automate test scripts and validate data volume, performance, and scalability. Validate HiveQL, HDFS file structures, and data processing within the Hadoop cluster. Exhibit strong analytical and troubleshooting skills. Communicate effectively with developers and stakeholders. Work with metadata‑dependent ETL processes and batch/job frameworks. Qualifications Minimum 10 years of experience with ETL testing. Proficient in SQL and SQL scripts for data analysis. Experience with Informatica and IDMC, Autosys, Shell scripting. Understanding of data warehouse concepts and architectures (star/snowflake schema). Familiarity with Hadoop or Spark preferred. Knowledge of metadata‑dependent ETL processes and batch/job frameworks. Domain knowledge in banking and payments preferred. Concepts: Data Warehousing, Data Transformation, ETL/ELT, Data Quality. Tools: SQL, Oracle, PL/SQL. Skills ETL testing, Autosys, SQL, Shell Scripting, Informatica, IDMC. #J-18808-Ljbffr Tata Consultancy Services Limited
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