In September 2019, Harris joined the Illawarra Hawks of the Australian National Basketball League (NBL) as a development player.
[11] On 2 April 2021, Harris signed with the Cairns Taipans of the Australian NBL as an injury replacement player.
[19] He captained the Hawks and averaged 13.8 points, 9.3 rebounds, 4.1 assists, 1.7 steals and 1.1 blocks per game.
[25] Harris debuted for the New Zealand Tall Blacks during the 2023 FIBA World Cup Asian qualifiers.
[26] In July 2023, Harris was named in the Tall Blacks squad for the 2023 FIBA World Cup.