A member of the Oper Frankfurt since 2009, she has enjoyed an international career, appearing in major European and American opera houses and the Salzburg Festival.
[2] She was first engaged at the Lucerne Opera from 2002 to 2008 where she learned many parts of the mezzo-soprano repertoire, including Dorabella in Mozart's Così fan tutte, Charlotte in Massenet's Werther, Mrs. Quickly in Verdi's Falstaff, Giulietta in Offenbach's Les contes d'Hoffmann, and Baba the Turc in Stravinsky's The Rake's Progress.
[1] Baumgartner has been a member of the ensemble of the Oper Frankfurt from the 2009/10 season, where her roles included Bizet's Carmen, Mary in Wagner's Der fliegende Holländer, Eboli in Verdi's Don Carlos, Lisa in Mieczysław Weinberg's The Passenger, the Nurse in Die Frau ohne Schatten by Richard Strauss, again Penthesilea and Fricka in Wagner's Der Ring des Nibelungen.
[3][4] She made her debut at the Salzburg Festival in 2010 as Geschwitz in Alban Berg's Lulu, followed in 2012 by Charlotte in Bernd Alois Zimmermann's Die Soldaten, staged by Alvis Hermanis and conducted by Ingo Metzmacher.
[3] She performed in 2017 in Frankfurt the role of Cassandre in Les Troyens by Berlioz, staged by Eva-Maria Höckmayr and conducted by John Nelson.