Two physicists for XFEL performance improvement for the SPF group

Website EuropeanXFEL European XFEL

Join our team

European XFEL is an international non-profit company located in the Hamburg area in Germany. It operates a 3.4 km-long X-ray laser, which produces X-rays of unique quality for studies in physics, chemistry, the life sciences, materials research and other disciplines. The diverse scientific facilities at European XFEL enable scientists from across the globe to carry out a wide range of experimental techniques.
The Simulation of Photon Fields (SPF) Group devises and assesses novel advanced FEL schemes for improving the characteristics of the photon beams at the European XFEL. We pursue this goal by considering the needs of the users community and by working closely within a FEL R&D virtual group coordinated together with DESY, striving for further collaborations with several groups naturally involved in development activities, like the Undulator group, the X-ray Optics group and the Photon Diagnostics group at the European XFEL.

The SPF group is currently looking for two Physicists for XFEL performance improvement (f/m/d)

The position

The successful candidates will contribute to the fulfillment of the mission of the SPF group and of the FEL R&D virtual group by being responsible for the following:

  • Further developing, spreading and maintaining in-house FEL and Spontaneous Radiation-related theory
  • Further developing and maintaining software necessary for the group mission, in particular the OCELOT software tool
  • Devising and assessing advanced FEL schemes
  • Taking part in the realization and commissioning of these schemes
  • Taking part in FEL development activities during R&D beam time


  • Ph.D. in FEL or accelerator Physics
  • Knowledge of advanced FEL techniques
  • Experience in simulation codes
  • Experience in FEL operation is preferred
  • Experience with Python programming and with the OCELOT software tool is considered an asset

For additional information, please contact Dr. Gianluca Geloni (

Working place will be Schenefeld in the Hamburg metropolitan area. General information on working in Germany, the Hamburg area and the European XFEL can be found under

Our offer

Become part of a vibrant international and multi-cultural team of scientists, engineers, technical and administrative staff. Be involved in cutting edge scientific and technical progress, participate in our international networks, and shape your life upon trust based flexible working times and telecommuting options. Experience our atmosphere of tolerance and respect.

Salary and benefits are similar to those of public service organizations in Germany. In addition European XFEL provides a non-contributory company pension scheme, broad relocation benefits, as well as subsidized job-tickets and meals at our company restaurant. The European XFEL GmbH intends to achieve a widely international staff. Company language is English, non-German candidates hired from abroad receive an international allowance.

Reference number



These appointments are limited to 3 years, an extension of 2 years is possible.


17 May 2020


Please apply online and provide a cover letter next to a CV in English, as well as your work certificates in one single pdf-file.

To apply for this job please visit