[3] He then served as the head coach of the Point Loma Nazarene Sea Lions (2005), Nevada (2014–2015)[4][5][6] and the Arizona Wildcats (2016–2021).
[8] Johnson led the Sea Lions to a #6 national ranking in the NAIA and a division championship.
In 2015, Nevada posted a 41–15 record and captured the school's first-ever Mountain West title with a 22–7 mark in league play.
The Wolf Pack was ranked in the top 25 for much of the season and totaled a 13–1 record in series of at least three games.
On June 24, 2021, Johnson left Arizona to become the head coach of the LSU Tigers.