Career
Kleindienst joined Energie Cottbus in 2010 from KSV Weißwasser. He made his 2. Bundesliga debut at 14 December 2013 against Fortuna Düsseldorf. He replaced Amin Affane after 78 minutes in a 1-3 home defeat.
On 20 May 2015 it was announced that Kleindienst would join South Carolina Freiburg for the 2015-2016 season.