The Senior Manager, Procurement - Chemicals & Raw Materials leads the strategy and day-to-day execution of Twin Rivers' chemicals and raw-material portfolio, including strategic sourcing, purchasing, inventory management, material planning, supplier performance, supply assurance, and continuous improvement across the manufacturing network. Develop multi-year category strategies by chemical family and raw-material segment, including demand outlook, cost drivers, supply-market structure, risk exposure, sourcing options, and negotiation roadmaps.