On 7 December 2017, it was revealed that Robinson had signed a one-year deal to join The Sydney Roosters.[18] In round 5 of the 2018 NRL season, Robinson scored his first club try just 13 seconds left before full-time siren for the Roosters in a 28-10 win at Southern Cross Group Stadium. The Roosters went on to win the Minor Premiership and Grand Final in 2018. On 31 October 2018, Robinson was announced as one of the players that was released by the club after not being offered a new contract.[19]