Styrian-born Brunmayr had been coaching at different levels at LASK since 2012, including the reserves and some of the youth teams. He then went on to be an assistant coach for FC Juniors Oberösterreich in Pasching, who are a feeder club for LASK. In January 2020, he was appointed head coach of Blau-Weiß Linz in Austria’s second tier, and steered the club to its greatest ever achievement last season, managing a draw in the final match away to their nearest challengers FC Liefering which secured them the title on goal difference.
As a player, Brunmayr made over 300 appearances in the Austrian Bundesliga for clubs such as Austria Wien and also SV Ried, where he played alongside Glasner and Angerschmid. He also won eight caps for his country.