[4][5] He played for the Border Reivers in the Celtic league[6] and signed a professional contract with the club in 2001.
[9] In September 2012 he was appointed as assistant coach for the Scotland national under-20 rugby union team.
[10] In September 2015 he was promoted to head coach of the Scotland national under-20 rugby union team.
[16] On 3 May 2019 it was announced that Dalziel would be joining Glasgow Warriors as Forwards Coach with immediate effect, leaving his role with the Scotland 7s team.
[17] On 3 August 2020 it was announced by Glasgow Warriors that Dalziel was moving on to become the Forwards Coach for Scotland.