His first start at under-21 level came in his next outing, which was a 1–1 draw with Northern Ireland on 29 May 2000. Doig made his last under-21 appearance in a 3–1 defeat to Norway on 19 August 2003, meaning he finished his under-21 career with 14 caps. In 2014 Doig was appointed as player/assistant manager at Grimsby Town under the stewardship of Paul Hurst. He later combined this role with managing the club's Reserve Team after he announced his retirement in the summer of 2015. When Hurst moved to League One side Shrewsbury Town in October 2016, Doig was once again named as his assistant. On 30 May 2018, Doig joined Paul Hurst as assistant manager at Ipswich Town Football Club. However, Doig was sacked by the club alongside Hurst on 25 October 2018 after achieving one win in the opening 14 games of the 2018/19 season. Northampton Town  York City