He played college football for the Miami Hurricanes before being selected by the New York Giants in the first round of the 2003 NFL draft.

A Haitian American,[1] Joseph attended Edison High School and was Florida Class 6A Second-team All-State and First-team All-Dade County as a defensive end, recorded 109 tackles, 17 sacks, 12 tackles for loss, six fumbles caused and four fumbles recovered as a senior.

In 2001 as a junior, he was third-team All-American recognition by the Associated Press and second-team All-Big East as he led the team in quarterback sacks (10) and tackles for loss (19).

In 2007 Joseph played in the pre-season games and the regular season before sustaining a season-ending injury after which he was placed on injured reserve.

The Oakland Raiders signed Joseph on March 14, 2008, released him on September 2 and re-signed him on November 5, 2008.

On April 30, 2012, Joseph along with two other former NFL players were arrested on federal charges in connection with an alleged scheme to steal people's identities and file false tax returns.