Job Description

PhD Student in Aerosol Chemistry

The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences within Switzerland. We perform cutting-edge research in the fields of future technologies, energy and climate, health innovation and fundamentals of nature. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science and economy. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates or apprentices. Altogether, PSI employs 2300 people.

For the Laboratory of Atmospheric Chemistry, we are looking for a

Your tasks

Perform ^14C and aerosol mass spectrometer analyses on filters collected in eastern Europe and Asia
Contributions to developing new workflows for methanol extraction with the aerosol mass spectrometer
Source apportionment of organics and elemental carbon for different regions
Offline measurements both at PSI and University of Bern
Publication in high impact journals
Writing thesis for a PhD degree at ETH Zurich
Support of other projects in the laboratory

Your profile

Master's degree in Atmospheric Science or a related field
Laboratory experience advantageous
Very good programming (e.g. Python) and data analysis skills
Very good oral and written English skills
Team player

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.

For further information, please contact Dr Kaspar Dällenbach, e-mail kaspar.daellenbach@psi.ch and Prof. Dr Andre Prevot, e-mail andre.prevot@psi.ch.

Please submit your application online by 5 August 2026 for the position as a PhD Student (Index-Nr. 5503-28805).

Paul Scherrer Institute, Human Resources Management, Emily Kulowatz, 5232 Villigen PSI, Switzerland

www.psi.ch

About PSI Paul Scherrer Institut

The Paul Scherrer Institute PSI develops, builds and operates large, complex research facilities and makes them available to the national and international research community. The institute's own key research priorities are in the fields of future technologies, energy and climate, health innovation and fundamentals of nature. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates or apprentices. Altogether, PSI employs 2200 people, thus being the largest research institute in Switzerland. The annual budget amounts to approximately CHF 400 million. PSI is part of the ETH Domain, with the other members being the two Swiss Federal Institutes of Technology, ETH Zurich and EPFL Lausanne, as well as Eawag (Swiss Federal Institute of Aquatic Science and Technology), Empa (Swiss Federal Laboratories for Materials Science and Technology) and WSL (Swiss Federal Institute for Forest, Snow and Landscape Research).

For more information, please visit www.psi.ch/en

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Industry

Biotech & Life Sciences

Company Size

1,001-5,000 employees

Headquarters

Villigen PSI, CH

Year Founded

1988

Website

psi.ch

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