He previously served as the head coach for Saint Anselm's women's ice hockey team.
Flint served as an assistant coach for the Saint Anselm Hawks men's hockey team for seven years.
[2] During the 2015–16 season, he led the Huskies to a 28–9–1 record, and reached the NCAA Women's Ice Hockey Tournament for the first time in program history.
They advanced to the National Championship game for the first time in program history where they lost to Wisconsin 1–2 in overtime.
[13] On June 7, 2009, he was named an assistant coach for the United States women's national ice hockey team at the 2010 Winter Olympics.