Hiram Mier started his career with home town club, CF Monterrey playing for their Affiliate Clubs in the Third and Segunda Divisions of Mexico football.
He made his debut for the affiliate team in the Third Division in 2007.
One year later Gerardo Jimenez called him to play for Rayados in the Second Division playing 11 games, 9 of them disputing the entire 90 minutes.
He was Promoted to the first team during the summer of 2010.

On August 25, 2010, Mier debuted with the first team in a game of 2010-11 CONCACAF Champions League against Seattle Sounders.
Finally on October 2, 2010, he debuted in the Primera Division in a win 2–1 over Necaxa.
Hiram Mier became champion with his team in his debut season Apertura 2010 and then becoming champion in the 2010-11 CONCACAF Champions League.
 He has recently slotted at Right-Back for Monterrey during the end of the Clausura 2013 season.
Hiram Mier started his career with home town club, CF Monterrey playing for their Affiliate Clubs in the Third and Segunda Divisions of Mexico football. He made his debut for the affiliate team in the Third Division in 2007. One year later Gerardo Jimenez called him to play for Rayados in the Second Division playing 11 games, 9 of them disputing the entire 90 minutes. He was Promoted to the first team during the summer of 2010.
On August 25, 2010, Mier debuted with the first team in a game of 2010-11 CONCACAF Champions League against Seattle Sounders. Finally on October 2, 2010, he debuted in the Primera Division in a win 2–1 over Necaxa. Hiram Mier became champion with his team in his debut season Apertura 2010 and then becoming champion in the 2010-11 CONCACAF Champions League.  He has recently slotted at Right-Back for Monterrey during the end of the Clausura 2013 season.
Hiram Mier