[1] He has previously played for Heart of Midlothian, Dundee, Greenock Morton and Ross County, as well as Forfar Athletic, East Fife and Stenhousemuir on loan.

[11] Following injuries to Neil Alexander, Scott Gallacher and Robbie Brown, he was recalled from his loan[12] and made his first team debut on 17 August 2014,[13] playing from the start in a 2–1 win over Edinburgh derby rivals Hibernian.

[17][16] He made his debut on 14 July in a 4–0 win at Stirling Albion in the Scottish League Cup, and manager Neil McCann praised his performance.

[26] Hamilton made his competitive debut for the Staggies on 13 July in a win over Stranraer in the Scottish League Cup group stage.

[27] Hamilton made his first league appearance for County on 30 November, coming on as a substitute away to Celtic after starting keeper Ross Laidlaw was forced off with an injury.

[28] On 30 January 2025, Hamilton left Ross County by mutual consent and re-joined his former club Livingston, now in the Scottish Championship, on a permanent deal until the end of the season.