Aitchison was a coach at Hearts and Cowdenbeath. He was appointed manager of East Fife in June 2013, succeeding Billy Brown. Aitchison resigned in November 2013, with East Fife second bottom of Scottish League One and having taken 11 points from 14 league matches.
As of 24 November 2013[update]
|East Fife||June 2013||November 2013||17||3||2||12||17.65|
- New East Fife boss Willie Aitchison sets out his vision for the club - Div 2 / Football / Sport / The Courier
- "Christian Nade joins East Fife". sport.scotsman.com. Johnston Publishing. 7 June 2013. Retrieved 25 November 2013.
- Willie Aitchison resigns as manager of East Fife after Forfar defeat | East Fife | Sport | STV