Cariello started his career at Salernitana Calcio 1919, one of the largest club in Campania, just behind S.S.C.
He was spotted by Chievo in January 2004, which the club keen on signing players in lower league and loaned out to ensure there was good players in squad when relegated.
Crotone in co-ownership deal, for €50,000[2][3] but bought back by Chievo in June 2007 for around €4,000.
[4] Cariello was sold to Frosinone in another co-ownership bid on 6 July 2007,[5] Chievo also acquired half of the "card" of Gennaro Troianiello as part of the deal.
[4] In 2011 Cariello left for Lega Pro Seconda Divisione (ex–Serie C2) club Turris Neapolis.