Javier Aguirre
Following his retirement from the playing field, Ambríz began his coaching career in 2002 with the Mexico national team, where he was the assistant to Javier Aguirre, taking part in the 2002 FIFA World Cup. Following his participation with the national team, he joined Puebla, managing only seven matches. In 2003, he was once again the assistant to Javier Aguirre at Spanish clubs Osasuna and Atlético de Madrid. They parted company when Aguirre was sacked from the Madrid position in 2009. He also had spells with San Luis – from 2009 to 2011 – and Guadalajara in 2012, only in charge for twelve matches.