[1] He previously served in the league as head coach and vice president of football operations for the Saskatchewan Roughriders.

Miller returned as head coach of the Roughriders on August 19, 2011, after the firing of Greg Marshall after a 1–7 start to the 2011 CFL season.

He had previously served on the coaching staffs of the Toronto Argonauts, University of Redlands, Dickinson State, and Yucaipa High School.

As Redlands' baseball coach, Miller accumulated a 250–235–2 record and led the Bulldogs to a Southern California Intercollegiate Athletic Conference title in 1991.

[7] Following the second last week of the 2011 CFL season Ken Miller announced that he will be stepping down as the team's head coach and vice-president of football operations.