He was previously the interim head football coach and defensive coordinator at Utah State University in 2024.
[1] He signed with the Green Bay Packers of the National Football League (NFL) as an undrafted free agent in 2014.
In 2020, Dreiling joined the University of Oregon as a defensive analyst under head coach Mario Cristobal.
In 2022, Dreiling joined New Mexico State University as their defensive coordinator under head coach Jerry Kill.
On July 2, 2024, Dreiling was named as the interim head coach, following the leave and eventual firing of Blake Anderson.