[1] DeCamillis was formerly the special teams coordinator in the National Football League (NFL) for the Los Angeles Rams for two seasons.
Before that, he coached for the Chicago Bears, Dallas Cowboys, New York Giants, Atlanta Falcons, and Jacksonville Jaguars.
[2][3][4] DeCamillis began his NFL career as an administrative assistant to his father-in-law, then Denver Broncos head coach Dan Reeves.
[5] In 1991, DeCamillis joined the coaching staff as a special teams assistant under Harold Richardson.
DeCamillis and Rich Behm, the team's 33-year-old scouting assistant, received the most severe injuries.
[17] On October 13, 2016, DeCamillis served as the interim head coach for Denver's game against the San Diego Chargers while Gary Kubiak was recovering from an illness.
[23] In 2023, DeCamillis joined the staff of the Texas Longhorns football team as a special assistant to the head coach.