From January 2000, he coached his first senior team, SV Enger-Westerenger, which played in the Landesliga Westfalen, at the time the sixth tier of German football.
His contract at Bielefeld was dated until June 2005, but Walpurgis resigned in January 2005 as he felt he did not have the full support of the club.
[3] In the 2012-13 season, Walpurgis and Lotte crowned themselves champions of the Regionalliga West, but were defeated by RB Leipzig in the subsequent promotion play-offs for the 3.
[4] Walpurgis wanted to join to third-division club VfL Osnabrück for the 2013–14 season, but Lotte did not agree to release their coach from his contract.
[6] Bundesliga club Ingolstadt 04, hired Walpurgis on 12 November 2016 as the successor to Markus Kauczinski, who had been sacked shortly before.