In 2022, he was named high performance referee coach by Scottish Rugby Union.

[11] In May 2010, the Elite Referee Unit (ERU) of the RFU confirmed his full-time contract after successfully completing a two-year trainee programme that had seen him referee in the Premiership, the IRB Sevens circuit, the Churchill Cup and Pacific Rim Rugby Championship tournaments.

Doyle refereed his first European Challenge Cup match in the 2007–08 season on 18 January 2008 when he officiated at Dax verses Calvisano pool game.

[16] On 25 September 2015, Doyle refereed the 2015 Rugby World Cup Pool C match between Argentina and Georgia.

[2] Doyle refereed the opening match of the 2016 Six Nations Championship (between France and Italy).