Career
He was manager of Dumbarton from October 2010 until October 2012. Adamson was with Airdrieonians as a youth in the mid-1970s, but he was released after two years with the club Adamson did not play in a senior Scottish league match.
He then joined the police force, and he played for police representative football teams at Scottish and British level
Adamson also managed the Scotland and Great Britain police representative teams. He left the police and began working for South Lanarkshire Council.
Adamson re-entered Scottish senior football in 2005 as assistant manager of Scottish Third Division club Albion Rovers, working for manager Jim Chapman. They left Albion Rovers in May 2007, after the club cited communication problems between Chapman and their director of football.
Adamson and Chapman joined Dumbarton on 31 December 2007.
He was appointed interim manager in October 2010, after Chapman had accepted another role at the club Following a successful stint as interim manager, Adamson was confirmed as Dumbarton manager in April 2011. Adamson guided his side to third place in the 2011-2012 Scottish Second Division.
Following a bad start in the second tier the next season with no wins in the first 9 games, he was relieved of his duties on 22 October 2012.