He was a defensive assistant coach for the Montreal Alouettes of the Canadian Football League (CFL) from 2017 to 2018, and most recently served as an analyst for the Tampa Bay Vipers of the XFL.
In 2005, he attended training camp with the Miami Dolphins, then signed to the Carolina Panthers practice squad for a portion of the regular season and the entire post-season.
In 2005, Parker made his Arena Football League debut on February 6 against the Dallas Desperados and recorded his first interception and tackle.
He also recorded two two-interception games on February 11 at the Las Vegas Gladiators and May 15 at and the Tampa Bay Storm.
In 2008, Parker played in all 16 games and finished with 71 tackles, 20 passes defensed, one fumble recovery, and eight interceptions.
Parker was set to become a free agent in February 2014, following the 2013 CFL season, however, he was re-signed by the Alouettes to a new 2-year contract.
He was a defensive backs assistant coach for the Richmond Revolution of the Indoor Football League.