In 2021, Namo joined the PNG Hunters, playing 13 games for the club in the Queensland Cup. In 2022, he played 16 games, starting all 16 at prop.[4]
North Queensland Cowboys
In November 2022, Namo joined the North Queensland Cowboys on a train and replacement contract for the 2023 season.[5]
Castleford Tigers
On 1 October 2023, it was announced that Namo would join the Castleford Tigers in the Super League on a two-year contract from 2024.[6][7] He made his debut on 8 March against Huddersfield,[8] with coach Craig Lingard managing his minutes as he returned from an ACL injury.[9] In April, Namo was given a five-match ban for dangerous contact against Wigan, with Castleford unsuccessful in their appeal against the ruling.[10][11] He made his return to the team on 24 May against Hull FC, earning praise from Lingard for an impactful performance.[12]
International
On 25 June 2022, he made his international debut for Papua New Guinea in their 24-14 victory over Fiji in the 2022 Pacific Test.[13] In October 2022, he represented Papua New Guinea at the 2021 Rugby League World Cup, playing three games.[14]