Amazon is seeking a Senior Instock Manager to join the Books organization. The role involves owning inventory strategies to enhance supply chain efficiencies and optimize sales, margin, and turns. The Senior Instock Manager will be responsible for inventory planning and operational management, particularly with top vendors in Books. The ideal candidate should have a bachelor's degree in Engineering, Business, or a related field, along with at least 5 years of experience in inventory management, operations, retail, consulting, or finance. They should possess strong analytical and reporting skills, be proficient in analytical tools like Microsoft Excel and SQL, and have experience with improvement techniques such as Kaizen, Lean Manufacturing, or Six Sigma. The role requires a customer-centric approach, the ability to lead and influence internal and external teams, and a focus on driving improvements in inventory availability, efficiency, purchasing automation, and cost reduction. This position is open to candidates in Seattle, WA, and offers competitive compensation based on geographic markets.