Terry played for The Nomads between 2008-2010 making over 50 appearances in all competitions and winning numerous player awards in his first stint with The Nomads before joining Bala Town. During his time at Maes Tegid, Terry helped guide Bala to the Europa League playoff in the 2011-12 season.

Terry joined a number of ex-Nomads under the guidance of Chris Herbert at Conwy Borough in August 2012 before rejoining The Nomads in July 2013.

Terry was named as the Goalkeeper of the year in the Dave Jones Daily Post Awards in December 2013, and in January 2014 was named in the official Welsh Premier League Team of Phase One. At The Nomads' 2014 end of season Awards evening, McCormick picked up both the Player's Player and Manager's Player of the season awards.

Terry departed Deeside Stadium in May 2015 following the arrival of John Danby to join Flint Town United and a number of ex-Nomads. In his two spells at Deeside, McCormick amassed 138 starts in all competitions.