In 2007 he returned to Australia as the head coach of Central Coast Rays in the inaugural and sole Australian Rugby Championship.

When the ARC became defunct, McKee travelled with the Pacific Islanders rugby union team on their 2008 European tour as a Specialist Coach.

[3] He furthered his international experience when he was named the Technical Advisor for Tonga in the year leading up to and during the 2011 Rugby World Cup.

This also meant he was the assistant coach for the Australian Under-20's side in the 2013 IRB Junior World Championship in France, Australia finished seventh.

[6][7] On 2 May 2014, McKee was officially announced as the Flying Fijians head coach, cutting short his three-year contract as High Performance Unit general manager, and would lead the team into the final 2015 Rugby World Cup qualification match against the Cook Islands in June 2014.

He coached the team to a 108–6 win over the Cook Islands in the 2015 Rugby World Cup Oceania qualification process, thus qualifying for England 2015, joining Pool A.

[citation needed] In 2015, McKee led the team to victory in the 2015 World Rugby Pacific Nations Cup, where Fiji beat Tonga 30–22 and Japan 27–22, while also drawing with Samoa 30–30.

[9] In 2016, McKee lead Fiji to their third consecutive Pacific Nations Cup title, having beaten Tonga 23–18, after being down 15–0 at half time, and defeating Samoa 26–16.

Fiji continued their good form into their End-of-year European tour, narrowly losing Tier 1 sides Italy, 19–10, and Ireland 23–20.

[citation needed] After leaving Fiji in January 2020, McKee took up an assistant role later in the year with Super Rugby team Western Force.