[1] Steuernagel, who worked as a teacher for many years after studying elementary school education, began his coaching career in 2008 with local clubs Viktoria Nidda and SSV Lindheim.
He then spent two seasons with SC Teutonia Watzenborn-Steinberg, which later became FC Gießen, in the Hessen Mitte regional league.
[2] From October 2016 to August 2017, Steuernagel was employed as a sports director by the Regionalliga West team Sportfreunde Siegen.
In addition to him, former professional players such as Antonio Di Salvo, Markus Daun, Dimitrios Grammozis and Francisco Copado also successfully took part in the course.
[8] In March 2020, Steuernagel was replaced by Stefan Krämer, although the club offered him the opportunity to remain part of the coaching staff.