Mont returned to his alma mater in 1951 to become the Maryland backfield coach under Jim Tatum, and he held that position through the 1955 season. During that time, he also worked with the U.S. Marine Corps' Parris Island football team, where he helped implement a Split-T offense in 1954. Mont worked summers with the football team of the National Polytechnic Institute in Mexico City from 1953 to 1955. In 1955, he also worked for the Calgary Stampeders of the Canadian Football League. In December 1958, he was a coach for the Blue team in the Blue–Gray Football Classic.