[6][7] In 2020, Smoothy joined the Penrith Panthers, playing for them in the NRL Nines and the New South Wales Cup.

[11] Smoothy rejoined Sunshine Coast Falcons on full-time basis before being temporarily recalled by Melbourne Storm in Round 3 of the 2022 NRL season when their four first choice hookers were unavailable.

[14][15] Smoothy made his club debut for the Brisbane Broncos in his side's 24−20 victory over the Newcastle Knights in round 15 of the 2023 NRL season.

He played 18 games for Brisbane in the 2024 NRL season which saw the club miss the finals, finishing 12th on the table.

[17] On 13 February, it was announced that Smoothy would depart the Broncos at the end of the season to take up a three-year deal in the Super League with Wakefield Trinity.