Nash was named the assistant coach of the
Ottawa Fury on October 18, 2013, for their inaugural year in the
North American Soccer League. On October 31, 2016, Nash announced he was leaving the Fury to pursue other opportunities. In January 2017, Nash served as an assistant coach for the
Canada men's national team under interim head coach
Michael Findlay. On May 11, 2018, he was named as an assistant coach for
Calgary Foothills FC After helping lead Calgary Foothills to the PDL Championship in 2018, he joined
Tommy Wheeldon Jr. on the inaugural coaching staff of
Canadian Premier League club
Cavalry FC, being named assistant coach and technical director. On December 21, 2021, he was announced as the head coach of
York United FC of the Canadian Premier League. On May 21, 2024, he was relieved of his duties as the club's head coach. On July 23, 2025, Nash was appointed interim manager of
Vancouver FC for the remainder of the
2025 season after the departure of head coach
Afshin Ghotbi. ==Managerial statistics==