Born in Santa Catarina Pinula, Machón was scouted by top-level club Galcasa FC, now defunct, and debuted in the Liga Mayor with them in the 1990–91 season, scoring twice in his first match against Xelajú MC.
[1][2] After his return from Spain, Machón spent another year at Aurora, and in 1994 he joined Comunicaciones, where he had a successful time as he helped the team win league titles in the 1994–95 and 1996–97 seasons.
In 1997, Machón became the second Guatemalan footballer after Jorge Rodas to sign for a team of the U.S. Major League Soccer, when Los Angeles Galaxy brought him to their roster.
[3] He retired at the end of the 2006 Apertura season, and in February 2007 he was one of several former players to participate in a friendly match in Guatemala City to honor Diego Maradona.
At the 1998 Gold Cup, his corner kick provided the assist in Juan Carlos Plata's goal against Brazil on which Guatemala achieved a surprise draw with the then world champions.