His first match in the first squad was on 18 March 2009 versus Sturm Graz, substituting Manuel Weber in the 57th minute.

After Kärnten did not get a license for the 2010–11 season Hierländer signed a contract with Red Bull Salzburg.

[2] On 9 May 2018, he scored the only goal as Sturm Graz beat Red Bull Salzburg in extra time to win the 2017–18 Austrian Cup.

[3] Hierländer got his first call up to the senior Austria side after Guido Burgstaller withdrew through injury for 2018 FIFA World Cup qualifiers against Wales and Georgia in September 2017.

This biographical article related to association football in Austria, about a midfielder, is a stub.