In 1945, Bredt moved to Paris and worked there as a researcher in the same area as before but now for the Arsenal de l'Aéronautique, later known as SNECMA. At the same time she acted as consultant to MATRA in Paris Billancourt as well as the Institute of Technology in Madras, South India. In 1954, after her marriage to Eugen Sänger and the birth of their son, Sänger-Bredt returned to Germany. She became deputy scientific director of the Research Institute for the Physics of Jet Propulsion, which had been founded by Eugen Sänger in Stuttgart.
