Analyze new and existing data sources to enhance design, improve performance efficiency, and prevent logical errors. Design, develop, maintain, and support dashboards and visualizations using tools like Tableau and Power BI. Create and maintain data dictionaries, ensuring standard definitions that are easily understood across the organization. Troubleshoot and maintain Tableau products, including Tableau Desktop and Server. Act as the Subject Matter Expert (SME) for Tableau, providing training, addressing issues, and recommending improvements. Collaborate with end-users to gather and analyze reporting requirements. Conduct testing and data quality checks to ensure accuracy and reliability of data sources and visualization outputs. Propose and implement changes to the existing data warehouse structure to meet business needs while ensuring data integrity. Perform other tasks as assigned by the immediate superior, contributing to the effective implementation of projects