Joshua Mendenhall was hired as the defensive line coach on June 11, 2024. 

Mendenhall’s experience includes six years of coaching high school football and another three years at the Division I level. His most recent stop was at New Caney High School, where he served as the varsity offensive line coach and video coordinator during the 2023 season.
 
Prior to that, he spent one year as the varsity defensive line coach and special teams coordinator at Prestonwood Christian Academy after a three-year stint at Oklahoma State University (2019-2022).
 
Mendenhall was a defensive graduate assistant for three seasons with the Cowboys before being named a special teams analyst in the spring of 2022. At OSU, he coached nine NFL players, including defensive lineman and 2023 fourth-round draft pick (Jacksonville Jaguars) Tyler Lacy.  
 
From 2015-19, Mendenhall was the varsity quarterback coach and junior varsity offensive coordinator at Mead High School, where his instruction aided back-to-back conference titles for the Mavericks in 2018 and 2019.
 
After starting his coaching career as an assistant at his alma mater, Longmont Christian High School, in 2008, Mendenhall was elevated to head coach for the 2014 season.
 
Mendenhall received a Bachelor of Science in Business Administration from Oklahoma State in 2021.
 
Mendenhall is accompanied by his wife, Dainele.