Career
Including his youth career, Kmetsch spent 14 years at Dynamo Dresden, winning the double in his last season, with one of his midfield teammates being Matthias Sammer. After Dynamo"s double relegation in 1995, Kmetsch spent three seasons with Hamburger SV, enjoying his best year in 1996-1997 – 32 games, four goals – but his team could only rank 13th. After no appearances whatsoever from 2003-2005 combined, Kmetsch retired, having various spells as coach of Schalke"s second team
After being released in early 2010, he held talks with Turn- und Sportverein Germania Windeck and Bayer Leverkusen II to join Heiko Scholz"s coaching staff