The Lead QA role ensures software meets client and business quality standards within project release cycles. Responsibilities include defining testing scope, writing test plans, designing test cases, and developing SQL scripts. The role involves actively participating in test planning, ensuring optimal test coverage, logging defects, and performing various testing types like functional, regression, and UAT. Additionally, the role requires validating fixes, communicating test status, mentoring a team, and contributing to best practices. The job also includes DWH/Database testing and investigating data quality issues. Successful candidates will have strong communication skills and experience with SQL and Data Warehousing principles.