Excellent showings in the midfield for Otago during the 2015 ITM Cup saw Faddes earn a Super Rugby contract with the Dunedin-based ahead of the 2016 season. He made a dream start to life as a Super Rugby player scoring 10 tries in 16 games, including a hat-trick against the which put him second, behind Israel Folau of the in the try scoring charts. His side, the Highlanders, were defending Super Rugby champions in 2016, however they were unable to hold on to their title and were eliminated by the in the semi-finals, losing 42-30 with Faddes' 48th minute try scored in vain.