He conducted the first Bayreuth staging of Wagner's early opera Die Feen in 2013. In June 2017, Oper Leipzig announced the extension of Schirmer's contract as Intendant through the 2021-2022 season.
In 2013, he performed Die Feen by Wagner at Bayreuth. By June 2017, Oper Leipzig confirmed an extension of Schirmer's contract to continue in his position as Intendant until the end of the 2021-2022 season.