Career
Simeoni made his Serie A debut for Associate of Science Livorno Calcio on April 17, 2010 in the game against A.C. (before Christ) ChievoVerona when he came on as a substitute in the 79th minute for Martin Bergvold. On August 12, 2010 Simeoni moved on loan to Pergocrema in Lega Pro Prima Divisione. He spent the entire 2010-2011 season with Pergocrema scoring three goals in 20 appearances.
After the season he returned to Livorno.
July 28, 2011 Simeoni was sold on a co-ownership deal to Lega Pro Seconda Divisione outfit Alessandria. He was bought back by Livorno on January 31, the last dat of the transferwindow.
Livorno then sold him again on a co-ownership deal to Virtus Entella in Lega Pro Seconda Divisione.