Shinnick was the was the eighth head football coach for the Azusa Pacific Cougars located in Azusa, California and he held that position for seven seasons, from 1999 until 2005. His coaching record at Azusa Pacific was 53 wins, 22 losses, and 0 ties. As of the conclusion of the 2009 season, this ranks him #2 at Azusa Pacific in total wins and #1 at the school in winning percentage ().