FC Liefering
Zeidler started his coaching career with VfR Aalen in 2002 and was appointed manager of 1. FC Nürnberg II three years later. Following a one-year spell as manager of Stuttgarter Kickers, he spent three years as Ralf Rangnick's assistant at TSG 1899 Hoffenheim before joining French Ligue 2 side Tours as the head coach in 2011. In 2012, he went on to FC Liefering, the second team of Red Bull Salzburg. On 22 June 2015, he became head coach of the first team. On 3 December 2015, he was replaced by Thomas Letsch, who like Zeidler, also comes from FC Liefering.