Career
Irmscher played for BSG Motor Zwickau (1964-1968), Football Club Carl Zeiss Jena (1968-1976) and BSG Wismut Gera (1976-1978). In 2007–2011 he worked as a coach for Belarus assisting to head coach Bernd Stange. Now he worked as an assistant coach for Singapore, also with Bernd Stange.