Career
He is the brother of Derrick Nix, a former Southern Mission star and the current running back coach at Ole Mission, having formerly been an assistant at Southern Mission and the Atlanta Falcons in the NFL.
Nix is a former starting linebacker. Following high school at Etowah High School in Attalla, Alabama, he went to the University of Southern Mississippi and played linebacker from 1990 through 1993. He was named Golden Eagle team captain in 1993.
As a freshman, Nix was one of three freshmen to play in the 1990 All-American Bowl.
He was also named to the All-South team and National Independent team as both a junior and a senior. University of Southern Mississippi (2001-2004)
His impact as a defensive coordinator was immediately felt as he led the 2001 Golden Eagle defense, which had lost 7 starters from the previous season, to rankings of 8th in the nation in scoring defense and 11th in the nation in total defense.
In his first three years as defensive coordinator at USM, Coach Nix’s defenses stayed in the top 15 nationally in scoring defense. University of South Carolina (2005-2007)
Near the end of that season, impressed by Coach Nix’s coaching prowess, Head Coach Steve Spurrier promoted him to sole defensive coordinator and assistant head coach.
Prior to his promotion, the Gamecocks were giving up over 27 points per game.
After the promotion, and under Coach Nix’s sole guidance, the University of Southern California defense held opponents to just 17 points per game. University of Mississippi (2008-2011)
On December 11, 2007, Nix accepted the job as defensive coordinator at the University of Mississippi (Ole Mission), to serve under new Ole Mission head coach Houston Nutt. During the 2008 season, Nix had Ole Mission defense ranked among the national leaders in points per game (178, 14th in FBS,) yards per game (2048, 16th in FBS,) and ranked 5th nationally in total rushing yards (1020) The 2008 defense included firth team All-American DT Peria Jerry and third team Delaware Greg Hardy.
Upon the hiring of Hugh Freeze as head coach of the Ole Mission Rebels on December 6, 2011, after Nutt was fired, Nix was dismissed as well.
Middle Tennessee (2012)
After interviewing with the Oklahoma Sooners, Nix was named co-defensive coordinator at Middle Tennessee State on February 22, 2012 under Rick Stockstill.