Most Recently, Dunn served on the staff for current UAB head coach Bill Clark at Jacksonville State last season. While with the Gamecocks, Dunn coached inside linebackers and also led the JSU's strength and conditioning program.
Dunn served as defensive coordinator and linebackers coach at Charles Henderson High School during the 2012 season, his second stint with the school. He was the secondary coach from 1997-1999 at Charles Henderson.
Dunn also served as defensive coordinator and strength coach at Oxford High School during the 2011 season. He helped coached the Yellow Jackets to a 12-2 record that included a region championship and the schools first-ever appearance in the Alabama High School Athletic Association Class 6A State semi-finals.
Dunn was also a member of Clark's defensive coaching staff at the University of South Alabama and Prattville High School for more than 10 years.
From 2008-11, Dunn served as the outside linebackers and assistant strength and conditioning coach for the Jaguars. He helped lead a defensive unit that gave up only 41 total points and 234 yards per game in the Jaguars' first-year of competition.
USA posted a perfect 17-0 record while he was with the program. He also served as the academic advisor liaison and coordinated the school's walk-on program.
At Prattville, he coached linebackers with Clark and UAB defensive coordinator Duwan Walker from 2002-2008. His responsibilities included a total break down of opponents offense and kicking game. During his time at PHS, the Lions recorded an impressive 83-4 (95.4 percent) overall recorded, and won back-to-back Class 6A State Championships in 2006 and 2007. He also served as the schools strength coach, working with all 15 varsity sports.
Dunn attended Troy University, where he also served as a student assistant coach for Larry Blakney from 1994-1996, working with the offensive line. While at Troy, the Trojans reached the NCAA Division I-AA playoffs every year and compiled a 31-7 (81.6 percent) record. His final season as a student assistant at Troy saw the team post a 12-2 record, winning the Southland Football League championship and advancing to the semifinals of the playoffs.
Dunn graduated from 1997 with a bachelor's degree in social work and began his coaching career at Charles Henderson High School, where he spent three season. Dunn returned as a graduate assistant at Troy, this time working with the linebackers, as he began his collegiate coaching career.