## Your tasks ## * Development of nano-fabrication processes for diffractive X-ray optical elements at PSI's new clean room laboratories * Testing and implementation of such devices at synchrotron and XFEL sources in close collaboration with internal and external project partners * Design and execution of novel experiments in the field of X-ray imaging and spectroscopy based on diffractive X-ray optics * Active participation in the coordination of research projects, including reporting and writing of scientific publications ## Your profile ## * The successful candidate should have a PhD degree in physics or engineering and experience in nano-lithography, optical instrumentation and metrology, or synchrotron radiation * Knowledge in scientific computing, image data processing and numerical simulations would be most welcome * You should enjoy working in an interdisciplinary, multinational research environment * Being an enthusiastic researcher with an interest in instrumentation and a good team player with excellent communication skills will help to play an active role in the coordination and execution of experiments in this international field of research ## We offer ## Our institution is based on an interdisciplinary, innovative and dynamic collaboration. You will profit from a systematic training on the job, in addition to personal development possibilities and our pronounced vocational training culture. If you wish to optimally combine work and family life or other personal interests, we are able to support you with our modern employment conditions and the on-site infrastructure. Your employment contract is limited to 2 years. For further information, please contact Dr Christian David, phone Please submit your application online by **15 February 2026** (including list of publications and addresses of referees) for the position as a Postdoctoral Fellow (Index-Nr Paul Scherrer Institute, Human Resources Management, Mariusz Prus, 5232 Villigen PSI, Switzerland