Career
He currently plays for Düsseldorfer EG in the Deutsche Eishockey Liga (DEL). Mondt began his pro career with Düsseldorfer EG during the 1995-1996 season, playing 14 games and winning the DEL championship, though he did not dress for a playoff game. In the years following, Mondt was among the top performers on the team until the club was relegated to the 2nd Bundesliga in 1998.
He then played two seasons for the Kassel Huskies until he rejoined Düsseldorfer EG when they were promoted back to the top level
The Ingolstadt Panthers added Mondt during the 2002-2003 season, where he would be named a DEL All-Star each of the following two seasons. After a season with Kölner Haie, Mondt signed with the Hannover Scorpions in 2006.
In 2012 Mondt came back to his hometown Düsseldorf where he plays for Düsseldorfer EG again. Mondt appeared in the 1999 IIHF World Championship for the German national team, as well as in 1995, representing their junior team