Dowden's first professional experience was in two seasons with the Tampa Bay Storm of the Arena Football League. He then spent a season with the Ottawa Rough Riders of the Canadian Football League before returning to the Storm for another season. During the 1996 NFL season Dowden played with two teams. First, with the Baltimore Ravens, later that season he joined the Green Bay Packers, and with them he was a member of the Super Bowl XXXI Championship team. He spend the 1997 NFL season with the Chicago Bears before returning to the Storm for one final season.