Boutilier has four decades of coaching experience, beginning with the first Little League baseball team he coached in 1979. Already inducted with the 1987 Glace Bay Colonels Little League team, he coached and managed the Colonels to the Canadian Major Little League Championship in 1987, 1988, 1991, 1994 and 2003. For these five years the team attended the Little League World Series in Williamsport, Pennsylvania, finishing fourth in 1988 and 1991. Between 1982 and 2015, Boutilier managed the Colonels to 19 Maritime championship and 24 provincial championship titles. He also managed the Cape Breton Dodgers to Canadian Big League Championship titles in 2009 and 2010.