After his professional career, Alexander operated a business as a custom homebuilder, while also pursuing a career in coaching. He worked as an assistant coach for seven years at Jenks High School in Jenks, Oklahoma. In 2005-06, he was also head coach of the Tulsa Talons of the af2arena football league. In 2013 he left Jenks to move to neighboring Broken Arrow High School, where had played and graduated in 1982, as the running backs coach. In January 2014 he was announced as Broken Arrow's new head football coach.