Mattel is seeking a Sr. Customer Fulfillment Analyst in Mississauga to own the end-to-end Walmart order and forecast process, driving accuracy and timely delivery. You will proactively resolve issues, build robust customer partnerships, and lead initiatives to improve supply chain performance across the Walmart account. You will work with Sales, Planning, and Supply Chain teams to align on forecasts, inventory, and replenishment, leveraging data from Walmart Retail Link and Scintilla, and