Auradou was part of the Stade Français team that won the Coupe de France in 1999, when they beat CS Bourgoin-Jallieu 27–19 at Saint-Etienne.
The following season his club also featured in the final of the French championship, in which they won, defeating the US Colomiers 28–23 at Stade de France.
The following year he made his international debut for France during the 2002 Six Nations Championship, in the 33–12 win over Italy in Paris.
At club level, Stade Français featured in the final of the French championship, in which they defeated USA Perpignan 38–20.
During the 2005–06 Top 14 season Auradou was on the way to leading Stade Français to four final appearances in a row, though they made an exit during the semi-finals, being defeated by Toulouse 9–12.