Jay Guillermo, a highly touted offensive lineman from Clemson, comes to ETSU after spending the 2022 season at the University of Virginia as an offensive graduate assistant.  Guillermo was named offensive line coach on Feb. 22, 2023. 

Along with the stop at Virginia, Guillermo spent two seasons as the tight ends coach at Western Carolina (2020-21) and one year as an offensive graduate assistant at Georgia State in 2019. Guillermo began his coaching career at Burns High were he was the offensive line coach.  

Prior to entering the coaching ranks, Guillermo was a four-year offensive lineman at Clemson where he helped lead the Tigers to the 2016 National Championship. Guillermo was a captain the last two seasons for Dabo Swinney and the Clemson Tigers.  

During his playing career, Guillermo earned four ACC Offensive Lineman of the Week and two All-ACC honors, playing as center of the Tigers’ offensive line. Guillermo played in two College Football Playoff national title games, while he was named to the watch list for the 2016 Dave Rimington Award – given each year to the top center in college football.  

Guillermo worked out for both the Buffalo Bills and Tennessee Titans NFL rookie minicamps after graduating from Clemson. He later signed with the Toronto Argonauts of the Canadian Football League in May 2017 and announced his retirement from football in summer of 2017.  

Guillermo played for Coach Quarles at Maryville High School where he was part of two Tennessee state championship titles. Guillermo played for the Rebels for two seasons after transferring from Burns High in Lawndale, N.C. During his time at Maryville, Guillermo was named 2011 Tennessee Lineman “Mr. Football.”