Two years later, he joined Australian club Sunshine Coast FC and helped his side to win the Queensland State League title.

[3] On 6 December 2008, he played against LA Galaxy in an exhibition match in New Zealand, as part of an Oceania XI All-Star team.

[5] Muta represented Papua New Guinea's under-23 team at the 2008 OFC Men's Olympic Football Tournament in Fiji, where he scored 2 goals.

On 27 August 2011, Muta made his senior international debut in a 2011 Pacific Games against Cook Islands, scoring in the 4–0 victory.

[6] Muta was named as captain of Papua New Guinea for the 2016 OFC Nations Cup on home soil.