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. 25% Assists with the preparation, review, and documentation of the quarterly and annual income tax provision, including the identification and calculation of permanent book/tax differences, discrete items, deferred income taxes, uncertain tax positions, and valuation allowances.