Kennar played a further three games for Melbourne in 2016, scoring one try.[9] In November, he signed a two-year contract with the Canterbury-Bankstown Bulldogs starting in 2017.[10][11]
2017
Kennar was unable to break into Canterbury's first-grade team in 2017.
In October, he was granted a release from his Canterbury contract and signed a two-year contract with the South Sydney Rabbitohs starting in 2018.[12][13]
2018
Kennar made his South Sydney debut in round 1 of the season, scoring two tries in Souths 32–20 defeat by the New Zealand Warriors. On the 15th of June it was announced that Kennar would be released from his final year at South Sydney Rabbitohs to complete a two-year Mormon mission at the start of 2019.
Kennar played a total of 10 games for Brisbane in the 2020 NRL season as the club suffered their worst ever year both on and off the field culminating in the club's first Wooden Spoon.[16]
2021
Kennar made only two appearances for Brisbane in the 2021 NRL season.
Kennar was called into the South Sydney side as cover for the injured Alex Johnston for their preliminary final match against Penrith. Kennar scored a first half try during the game as Souths lead 12-0 before Penrith came back in the second half to win 32-12.[18]
2023
Kennar was limited to only five games for Souths in the 2023 NRL season as the club finished 9th on the table and missed the finals. Kennar re-signed with South Sydney ahead of the 2024 NRL season.[19]
2024
In round 1 of the 2024 NRL season, Kennar scored two tries for South Sydney in their 36-24 loss against Manly at the Allegiant Stadium in Las Vegas.[20]
Kennar played 12 games for South Sydney in 2024 as the club finished 16th on the table.[21]