The Theoretical Quantum Optics group at the University of Siegen (Germany) is hiring. Possible research topics include quantum thermodynamics, theory of open quantum systems, quantum metrology, matter-wave physics, quantum foundations, and statistical learning methods. You will work with Stefan Nimmrichter, in a diverse and international research group led by five PIs. Local experimental groups in nano-optics and ion-based quantum computing are available for collaborations. If you have a significant research record in quantum theory and the motivation to do teaching, please apply directly to us until March 31st, 2024! Later applications may be considered, and the position is available starting May 2024.