Jefferies has also managed Gala Fairydean, Berwick Rangers, Falkirk, Bradford City, Kilmarnock and Dunfermline Athletic.

[2] Despite a great deal of financial turmoil during that time, he turned the struggling team around to the extent that they set a club record of 21 games unbeaten in the league during season 1988–89.

[2] Jefferies moved south of the border on 20 November 2000 to replace Chris Hutchings as manager of then Premier League side Bradford City.

[6] He kept Kilmarnock in a respectable position despite the necessity of drastically reducing the club's wage bill, reaching the 2007 Scottish League Cup Final.

[2] Following Alex McLeish's departure from Rangers at the end of the 2005–06 season, Jefferies was the longest-serving manager in the Scottish Premier League.

Jefferies and right-hand man Billy Brown were sacked by Hearts on 1 August 2011, after just two games of the 2011–12 Scottish Premier League season.

[9] Jefferies held talks with Dunfermline Athletic about succeeding Jim McIntyre as their manager[10] and was appointed on 20 March.