Doleman began refereeing while a student in Dunedin, becoming a professional referee in 2020. In 2019 he had refereed the final of the 2019 World Rugby Under 20 Championship. He refereed his first Super Rugby match on 7 March 2020 in a match between the and , before refereeing 3 matches in the 2020 Super Rugby Aotearoa season. He also refereed the Championship final of the 2020 Mitre 10 Cup as played .