From 1998 to 2004, Jung studied history to become a teacher at a grammar school at the University of Heidelberg. There he received his doctorate in 2006 with a thesis on the history of the GDR. From 2007, he worked as a secondary school teacher, including at the Hohenstaufen Gymnasium in Eberbach, and from 2012 as director of studies at the Ellental Gymnasium in Bietigheim-Bissingen.
Political career
Jung became member of the Bundestag in the 2017 German federal election, representing the Karlsruhe-Land district. In parliament, he served on the Committee on Transport and Digital Infrastructure. In this capacity, he was his parliamentary group's rapporteur on freight transport.