 In 2009–10, Muckalt served as head coach of the Valencia Flyers of the Western States Hockey League, guiding the team to a 23–21–5 record and a fifth-place finish in the WSHL Western Division.On March 28, 2010, he was named head coach of the New Mexico Mustangs, a North American Hockey League (NAHL) expansion team.Muckalt led the development of the franchise's coaching, recruiting and scouting systems.