[6] On 20 March 2008, Detlev Dammeier became Arminia Bielefeld's new sporting director, succeeding Reinhard Saftig, whom the club had previously fired.

During the winter break of the 2008–09 Bundesliga, the club announced that Detlev Dammeier's contract had been extended until 30 June 2011.

[8] From September 2011 to the summer of 2013, Dammeier coached the state league team Spvg Steinhagen.

In the summer of 2013, Detlev Dammeier was a scout at RB Leipzig,[1][9] where he was primarily responsible for analyzing opponents.

On 17 February 2014, SC Preußen Münster announced that Dammeier would take over the sporting management of the club.

[10] From 1 July to 2 October 2017, Dammeier coached the club Lupo Martini Wolfsburg from the Oberliga Niedersachsen.