Stemke went undrafted in the 2001 NFL Draft but he was signed by the Green Bay Packers on April 23, 2001. The Raiders signed Stemke in August 2002. He played two games with them before he was cut from the team. He was then signed by the Miami Dolphins in January 2003. The Dolphins would send send him to play for the Scottish Claymores of the NFL Europe but they waived him before the start of the NFL regular season. The Washington Redskins cut Stemke along with 13 other players on August 30, 2004.