Koenning began his career with graduate assistantships at Texas and Alabama before being named wide receivers coach and recruiting coordinator at Louisiana-Lafayette in 1985.
At Texas A&M, Koenning had called plays from the press box, with head coach Dennis Franchione.
After leaving A&M, Koenning was hired by Joey Jones at the University of South Alabama, which was getting ready to play its debut season in 2009.
In 2014 he left Mississippi State to return to his alma mater, Texas, as wide receivers coach.
[6] His father Les Koenning Sr was a successful Texas high school football Head coach bringing teams to state championships at Hamshire-Fannett, Memorial and Cypress Creek.