Hardegree began coaching in 2008 as a graduate assistant at Duke University.[4] He interned at the Louisiana State coaching staff from 2011 to 2013.[5]
Denver Broncos
In 2014, Hardegree was hired by the Denver Broncos as an offensive quality control coach under head coach John Fox.[6]
Chicago Bears
In 2015, Hardegree followed Fox to join the Chicago Bears as an offensive assistant, following head coach John Fox.[7]
Miami Dolphins
In 2016, Hardegree was hired by the Miami Dolphins as the quarterbacks coach under head coach Adam Gase.[8]
New York Jets
In 2019, Hardegree followed Gase to join the New York Jets as an offensive assistant.[9]
On October 31, 2023, Hardegree was promoted to interim offensive coordinator following the firing of head McDaniels, general manager Dave Ziegler, and offensive coordinator Mick Lombardi.[12]
On January 19, 2024, new Raiders head coach Antonio Pierce announced he would not retain Hardgree for the upcoming season.[13]
Tennessee Titans
On February 14, 2024, Hardegree was hired by the Tennessee Titans as the quarterbacks coach under new head coach Brian Callahan.[14] This move marked a return to his home state of Tennessee, where he also played college football for the Tennessee Volunteers.