Dowden's first professional experience was in two seasons with the Tampa Bay Storm of the Arena Football League. He was named Second Team All-Arena in 1995. 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 spent the 1997 NFL season with the Chicago Bears before returning to the Storm for one final season.