[4] He began his playing career with HŠK Građanski Zagreb's youth side before moving to NK Slavija Varaždin.

In 1938 he returned to Građanski and in the following season won the Kingdom of Yugoslavia's last national championship.

In 1940, Cimermančić debuted for the Kingdom of Yugoslavia's national team (Beli Orlovi) and concurrently played four matches for the Banovina of Croatia's national team, which represented the Croatian statelet within the kingdom.

With the establishment of the Independent State of Croatia and its respective national team, he suited up thirteen times and scored six goals for the country.

His final international was an August 1948 Olympic Games match against Sweden.