[1] Wiemers served as the head football coach at Emporia State University from 2001 to 2006, compiling a record of 35–32.
He was the assistant head football coach and defensive coordinator at Pittsburg State University from 2011 to 2019.
The two-year span included a victory in the 2002 Mineral Water Bowl and ESU's first-ever appearance in the NCAA Playoffs in 2003, earning him the MIAA Coach of the Year after the 2003 season.
Wiemers served as the offensive coordinator at Tarleton State University in Stephenville, Texas for the 2007 season.
His sister, Suzie Fritz, is the head volleyball coach at Kansas State University.