Research Engineer or Postdoctoral Researcher (m/f/d)

The Max Planck Institute for the Science of Light (MPL) conducts research that covers a wide range of topics, including nonlinear optics, quantum optics, nanophotonics, photonic crystal fibres, optomechanics, quantum technologies, biophysics, and links between physics and medicine. The Max Planck Institute for the Science of Light currently employs around 300 people from a wide variety of countries. Become part of our team too – because we bring light into the darkness. We invite applications for a position in a new three-year research project funded by the German Federal Ministry of Research, Technology and Space (BMFTR) through the funding scheme “Wissenschaftliche Vorprojekte zu Grundlagenfragen der Quantentechnologien und Photonik.” We are seeking a Research Engineer or Postdoctoral Researcher (m/f/d) in the field of Engineering Physics or Materials Science (or a related qualification) for research and development into specialty optical fibres Your tasks - 3D-printing, extrusion, and chemical purification of structured glass preforms made from fused silica - Drawing of microstructured optical fibres, in particular novel hollow-core fibres for applications in high-speed commu-nications, quantum technology, sensor technology, etc. - Publication of the achieved results in scientific journals and at conferences Your profile - Experience with working in a cleanroom environment is an advantage, as is experience in fibre optics, handling of pro-cess gases, glass processing, and control engineering - A completed Master’s degree or PhD in Engineering Physics, Materials Science, Engineering or a similar discipline - The ability to work independently, a willingness to learn, and a team spirit - Good English skills - The ability to climb stairs in a cleanroom is an essential requirement What we offer We offer you an interesting and varied role in an international environment, as well as a positive working atmosphere within a friendly team. You will have the opportunity for regular further training and receive a comprehensive induction training from experienced and qualified colleagues. The position is part of a three-year research project. Remuneration is based on your qualifications and experience, in accordance with the pay scale set out in the collective agreement for the public sector (TVöD Bund). You can expect further benefits, such as a supplementary pension scheme through the Federal and State Pension Fund (VBL) and regular workplace health management initiatives. Work-life balance is a key priority for us, so we are happy to assist you in finding suitable childcare facilities. The Max Planck Society is committed to increasing the number of individuals with disabilities in its workforce and therefore encourages applications from such qualified individuals. The Max Planck Society is committed to gender and diversity equality. We welcome applications from people of all backgrounds. Interested in joining our team? Please submit your application via our application portalby 9 August 2026 at the latest.