Role and ResponsibilitiesAnalyse business requirements, source-to-target mappings(STTM), and ETL design documents.Design and execute ETL test scripts using PyTest.Perform data reconciliation, aggregation and transformation validation using complex SQL queries.Perform data load using Informatica PowerCenter & BMC Control-M.Monitor, validate and troubleshoot Control-M scheduled jobs, dependencies, and batch execution flows.Perform regression testing after ETL changes and enhancements.Log, track, and retest defects using tools like Zephyr & JIRA.Support UAT and Production data validation, including post-deployment sanity checks.Work with Git Version control, performing activities such as branch creation, pulling, pushing, merging code and conflict resolution.Closely collaborate with Developers, Business analysts, Data Analysts, and Business stakeholders to clarify requirements, resolve data issues, and ensure alignment with business expectations.Ensure compliance with data quality, audit, and governance standards.Desired Skills and ExperienceNice-to-Have Skills* Banking/Financial services domain experience* Experience in databases such as Teradata, Oracle.* Understanding of versioning and CI/CD tools.* Experience working in regulatory or data-intensive environments.