Signet Jewelers is the world's largest retailer of diamond jewelry, operating more than 2,800 stores worldwide under the iconic brands: Kay Jewelers, Zales, Jared, H.Samuel, Ernest Jones, Peoples, Banter by Piercing Pagoda, Rocksbox, JamesAllen.com and Diamonds Direct. The Senior Planner serves as the strategic business owner for assigned categories, driving pre-season and in-season planning activities through financial forecasting, inventory management, assortment optimization, and executive-level business reviews.