Buer then spent two years as an assistant his alma mater, the University of Minnesota Morris, before returning to Dakota State in March 1976 as head baseball coach and defensive coordinator for the football team.
With four other graduate assistants, he coached junior varsity football team, while earning his doctorate in physical education and athletic administration.
In 2001, Gary Buer was hired as head football coach at Sabino High School in Tanque Verde, Arizona.
In 2003, Buer left the Sabercats to build a new college football program at a small, private liberal arts college in Buena Vista, VA.[4] In 2003, Buer was named the first head football coach at Southern Virginia University in Buena Vista, Virginia.
[5] Gary Buer was named head football coach at Independence High School in Glendale, Arizona in 2007.