Execute end-to-end transaction testing across Workday Financials (Spend Management, Accounting Center) and connected systems, validating both business process and downstream accounting outcomes such as invoices, AR/AP balances, journal entries, and GL postings. Responsibilities: Partner with the Finance Process Owner to define and evolve current-state and future-state process flows across the Source to Pay lifecycle, including supplier lifecycle management, contract lifecycle management, requisitioning, sourcing, purchasing, receiving, invoicing, expense management, and payment execution.