To provide a high customer satisfaction, Workday leverages the operational data (both structured and unstructured data) to optimize services. At Workday, a centralized big data platform is used for descriptive, diagnostic and predictive analytics for all personas. This talk will introduce the challenges that the platform needs to address. Afterwards, we will present the tools used for various analysis tasks. Moreover, an in-house data pipeline platform will be presented, which is used for automation.