He is the current head coach of the Vermont Catamounts women's ice hockey team.
He previously served as the women's hockey head coach at Amherst, where he guided them to back-to-back NCAA Division III national championships.
Upon graduation, he moved on to become the women's hockey head coach at North Yarmouth Academy in Maine.
[3] In 2003, Plumer was named the women's hockey head coach at Amherst, where he guided the team to five 20-plus win seasons, three league titles, and an unbeaten streak in NESCAC play that stretched from 2006 to 2010.
The following season, the school set a program record for wins with 18, and won its first ever Hockey East Quarterfinal series.