Nix was born in Carbon Hill, Alabama, where he later attended Talladega High School and played linebacker.
Nix was a regional scout under John Butler from 1993 to 2000 for the Buffalo Bills, specializing in the Southeastern United States.
Nix's job with the San Diego Chargers was to oversee both professional and college scouting and to be one of the main decision makers in each NFL draft.
The Chargers won four of the last five AFC West titles with Nix as assistant GM and director of player personnel, in charge of college scouting and instrumental to the decision making process of their NFL drafts.
Nix also has six grandchildren: Hope, Ana, Tyler, Dakota, Sawyer and Tucker, and he has three step-grandchildren: Macaela, Haydn, and Jake.
He is the great-grandfather to Lara Kate, Olivia, Ahlani, MJ, Lykan, late great granddaughter Lainee, and Roman.