The offensive lineman was in line for a starting job prior to decision to leave the sport.
Womack started all 14 games in Tide’s run to 2017 national title.
Prior to KU, Todd Bradford’s coaching job was as the DC at Maryland in 2011.
Peetz, who was with Tide in 2013, was expected to take Indy Colts OC job before Josh McDaniels reversed course.
The wide receiver will be eligible to play for the Bears in 2018 as a grad transfer.