 As a free agent over the summer, Hamilton was unable to attract NHL interest and on September 30, 2015, he signed his first European contract in agreeing to a one-year deal with Czech club, HC Sparta Prague of the Czech Extraliga.On July 26, 2018, Hamilton continued his career in Europe by leaving Finland and agreeing to a one-year contract with Austrian outfit, Graz 99ers of the EBEL.In August 2019 Hamilton moved to the UK to sign for EIHL side Belfast Giants.