Hoeppner's first job as an assistant coach was at his alma mater, Franklin College, where he served as defensive coordinator. He spent six years there before moving to Miami University as a linebacker coach in 1986. After 12 years, Hoeppner worked his way up to assistant head coach and defensive coordinator. He was also able to retain his positions after head coach Tim Rose was replaced prior to the 1990 season by the late Randy Walker. Hoeppner was instrumental in the development of several NFL players, including JoJuan Armour, Dustin Cohen, and Sheldon White.
