As a senior at the University of Georgia (UGA), he earned All-Southeastern Conference second-team honors and started every game at middle linebacker. He tied for the team lead with a career-high 114 tackles and recorded 2.5 sacks, 15 stops for losses, 13 quarterback pressures, 1 forced fumble and deflected 2 passes.
Member of Zeta Nu chapter of Phi Beta Sigma fraternity at the University of Georgia.
He was signed off the Cardinals practice squad in 2003 by the Jacksonville Jaguars. He played five seasons with the Jaguars before being released during final cuts on August 30, 2008.
Atlanta Falcons
Two days after his release from the Jaguars, Gilbert was signed by the Atlanta Falcons on September 1, 2008. The move reunited him with Falcons head coach Mike Smith, who was defensive coordinator for the Jaguars during Gilbert's time in Jacksonville. The Falcons released linebackerTony Taylor to make room for Gilbert on the roster.
On December 8, Gilbert was placed on Injured Reserve due to a hamstring injury.
An unrestricted free agent in the 2009 offseason, Gilbert was re-signed by the Falcons on February 27.
Jacksonville Jaguars (second stint)
On August 8, 2010, the Jaguars signed Gilbert and two other players.[2] On September 4, 2010, Gilbert was released.
Coaching career
Georgia
Gilbert began his coaching career at the University of Georgia, his alma mater, as an assistant strength and conditioning coach in 2011.
Auburn
In 2012, Gilbert joined Auburn University as a defensive graduate assistant and assistant linebackers coach.
Georgia Military College
In 2013, Gilbert was hired by Georgia Military College as their Assistant defensive backs & linebackers coach.
John Milledge Academy
In 2014, Gilbert joined John Milledge Academy as their defensive coordinator and linebackers coach.