Certified in Production and Inventory Management (CPIM) is an industry-recognized standard for production and inventory management. Supply chain management positions use this credential as a tool to improve company profit. As a supply chain manager, your responsibilities involve creating a purchasing plan, finding a source for your product, manufacturing, delivery and logistics, and a return system. Your duties focus on improving quality, productivity, and efficiency of company operations. A supply chain planner or buyer position also uses CPIM to manage inventory levels to match the supply and demand of the current market. You can find CPIM jobs in various industries, including aerospace, energy, defense, and manufacturing.