Silvera began his career in 1994 with his hometown team Comisión de Actividades Infantiles.
During the 2002 Apertura tournament he played an important role in helping Independiente claim their first Argentine league title in eight years.
In 2003, Silvera was sold to Mexican side Tigres UANL, where he became top scorer in the Primera División de México for the 2004 Clausura tournament.
In 2006, he returned to Argentine football with San Lorenzo, and in 2007 he helped the club to win the Clausura tournament.
In 2017 he joined Al-Hilal FC technical staff as a second assistant coach for the first football team.