Career
He started his career in his hometown Taufkirchen an der Pram as striker. Schiemer came through the youth ranks at SV Ried to make his professional debut in the 2003/2004 season at just 17 years of age. The same year he was 3rd in the U17-European Championship.
In 2005, he joined Austria Wien.
On 1 January 2015, Schiemer announced his retirement from football after an injury plagued career. He made his debut for Austria in October 2007 against Switzerland but was overlooked for the EURO 2008 squad.
He has earned 18 caps and 4 goals scored (on 1 August 2008).