Career
Mitchell has previously played for Ayr United and Stranraer. Stranraer
Mitchell was part of the clubs successful promotion campaign in 2012 when, as finishing runner up in the play-offs, Stranraer were promoted to the Scottish League One due to the demise of Rangers. In his sixth season as number one "keeper at Stranraer, Scottish Championship side Hibernian expressed interest.
Stranraer would go on to narrowly miss out on automatic promotion to the Scottish Championship and lose a play off match against Forfar to end their promotion hopes.
Dundee
Dundee signed Mitchell on a pre-contract in June 2015.