Brandon pitched for two years at Hutchinson Community College where he broke the record for career wins. He then pitched at the University of Kansas where in his Jr season he was 8-3 with 7 saves with a 2.59 era. He was named the Big 12 Pitcher of the Week, April 15, 2003. Johnson helped lead KU to their first-ever appearance at the Big 12 tournament. He was the pitching coach at St James Highschool from 2006-2008 before moving to a position as a Pitching Coach at Lawrence Highschool from 2009-2011 where he helped lead the 2009 Lions to the 6A State Championship.

Brandon was also the Kansas State Director for USA Baseball from 2011 through 2015.