[1] In April 1991 Fleischhacker worked for Kleinen Zeitung as editor for foreign politics.
From 2002 he worked at Austrian daily Die Presse and became editor-in-chief and chief executive in 2004.
In October 2012 he left Die Presse and became freelance journalist and contributed regularly in various daily Austrian newspapers.
[2][3] In July 2014 he joined the Austrian private network ServusTV and became News presenter of Talk im Hangar-7.
[4] From 2014 he worked for NZZ Österreich of Austria and was primarily responsible for establishing an online presence.