Following the conclusion of the 2009 season, Esposito resigned to become the defensive line coach at Western Michigan under Cubit (Lester had left WMU several years prior).
[1] He stayed at Ferris State for a single year before accepting the head coaching job at Davenport University, in Grand Rapids, Michigan.
After that initial season, Esposito resigned to return to Western Michigan, this time as defensive coordinator under his old roommate Tim Lester, who had just been hired as the WMU head coach, replacing P. J.
After the 2023 season, Esposito left Western Michigan to become the co-defensive coordinator and defensive line coach at the University of Memphis in early 2024.
On March 29, 2024, it was announced that Esposito was hired as the defensive line coach for the defending national champion, Michigan Wolverines.