He played college football for the McNeese Cowboys before being selected by the Philadelphia Eagles in the third round of the 2008 NFL draft.
As a senior in 2007, Smith recorded 10.5 sacks and 22.5 tackles for a loss en route to his second consecutive little All-America nomination.
In 2006, he was named SLC Defensive Player of the Year and was finalist for national Buck Buchanan award.
Smith was selected by the Philadelphia Eagles in the third round of the 2008 NFL draft.
Smith was signed off the St. Louis Rams' practice squad by the Jacksonville Jaguars on September 28, 2009.