Andre Prevot

The Paul Scherrer Institute (PSI), Switzerland's largest research institute for natural and engineering sciences, is seeking two Postdoctoral Fellows in aerosol chemistry for its Laboratory of Atmospheric Chemistry. PSI is renowned for its cutting-edge research in future technologies, energy and climate, health innovation, and the fundamentals of nature. The institute is committed to training future generations, with a significant portion of its staff comprising post-docs and post-graduates. The successful candidates will focus on mass spectrometry measurements using aerosol mass spectrometers and extractive electrospray ionization mass spectrometry. Research will include studying the health relevance of aerosols using oxidative potential as a marker for health impact, conducting statistical source apportionment analysis, and participating in measurement campaigns in Romania. The roles also involve supporting other postdoctoral fellows and PhD students in various campaigns and publishing results in impactful journals. Applicants must have a PhD in atmospheric science, proficiency in aerosol mass spectrometry, and in-depth experience in data analysis and programming (such as Python). A strong publication record and excellent oral and written English skills are required, along with a team-oriented working style. The positions offer a two-year fixed-term contract with the possibility of extension. PSI provides a collaborative, innovative, and dynamic work environment, systematic on-the-job training, personal development opportunities, and modern employment conditions. The institute supports work-life balance and offers excellent on-site infrastructure. Applications should be submitted online by 28 February 2026 and must include a list of publications and addresses of referees. For further information, candidates may contact Prof. Dr Andre Prevot or Dr Kaspar Daellenbach at the provided email addresses. This is an excellent opportunity for postdoctoral researchers interested in aerosol chemistry, mass spectrometry, and atmospheric science to join a leading European research institute.

The Paul Scherrer Institute (PSI), Switzerland's largest research institute for natural and engineering sciences, is offering a fully funded PhD position in aerosol science within the Laboratory of Atmospheric Chemistry. PSI is renowned for its interdisciplinary research in future technologies, energy and climate, health innovation, and the fundamentals of nature, and is committed to training the next generation of scientists. The institute employs over 2300 staff, with a significant proportion dedicated to postdoctoral and postgraduate research. This PhD project centers on scientific research into the spatial distribution of air pollutants in Romania, utilizing a state-of-the-art mobile laboratory as part of the Romanian-Swiss ACTRIS collaboration. The successful candidate will perform advanced measurements using instruments such as AMS and VOCUS-PTR-MS, conduct source apportionment analyses, and support other PhD students in the project and laboratory. The role also involves writing peer-reviewed publications, project-related reports, and finalizing the PhD thesis at ETH. Applicants should possess a master's degree in aerosol science or a closely related field, with proven experience in measurements and data analysis. Strong English language skills and the ability to work effectively in a collaborative team environment are essential. The position offers systematic training, personal development opportunities, and modern employment conditions designed to support work-life balance. Funding is fully provided, with a full-time contract and access to PSI's infrastructure and vocational training culture. While specific stipend or salary details are not listed, the institute emphasizes its supportive environment and comprehensive benefits. To apply, candidates must submit their application online by 31 March 2026, including addresses of referees. For further information, Prof. Dr Andre Prevot can be contacted at [email protected]. Applications are processed through the Paul Scherrer Institute's online portal. The position is based in Villigen PSI, Switzerland, and offers a unique opportunity to contribute to cutting-edge research in environmental science, chemistry, and physics.

PhD opportunity in Aerosol Chemistry at the Paul Scherrer Institute (PSI), Switzerland , with the PhD degree awarded by ETH Zurich . This position is based in the Laboratory of Atmospheric Chemistry and focuses on research in atmospheric aerosol chemistry , carbon-14 (^14C) analysis , aerosol mass spectrometry (AMS) , organic aerosol source apportionment , air pollution , climate research , and environmental data analysis . The successful candidate will perform ^14C and AMS analyses on aerosol filter samples from Eastern Europe and Asia, help develop new methanol extraction workflows, conduct source apportionment of organic aerosols and elemental carbon, and carry out offline measurements at PSI and the University of Bern. The role also includes publishing research in high-impact journals, writing the PhD thesis at ETH Zurich, and supporting other laboratory projects. Applicants should hold a Master's degree in Atmospheric Science or a related field . Laboratory experience is advantageous. Strong Python/programming and data analysis skills are required, along with very good oral and written English. The institute also looks for a team player with a collaborative and motivated mindset. The position is a 100% PhD employment opportunity. Applications must be submitted online by 5 August 2026 . Contact persons: Dr Kaspar Dällenbach and Prof. Dr Andre Prevot at PSI.

Paul Scherrer Institute (PSI) is advertising a Postdoctoral Fellow in Aerosol Chemistry in the Laboratory of Atmospheric Chemistry in Villigen, Switzerland. The position focuses on advanced online mass spectrometry and aerosol chemistry, including work with AMS, online Orbitrap-MS, VOCUS-PTR, and MIPTOF . The successful candidate will contribute to ambient measurements in polluted areas, source apportionment , investigations of atmospheric processes, and chamber/flowtube experiments with emphasis on solid fuel combustion and mixed-source experiments. This is a research-intensive postdoctoral role suited to experienced researchers with a PhD in Atmospheric Science or a closely related area. PSI highlights the need for strong expertise in aerosol mass spectrometric methods, data analysis, programming (e.g. Python), publication experience, and excellent English communication skills. The role also includes publication output and support/co-supervision of other postdoctoral fellows and PhD students during campaigns. The appointment is initially for two years with the possibility of extension. PSI describes its environment as interdisciplinary and innovative, with training and development opportunities and modern employment conditions. Application deadline: 5 August 2026. How to apply: Apply online via the PSI job portal and include your publication list and referee contacts.

Paul Scherrer Institute (PSI) is advertising a PhD Student in Aerosol Chemistry within the Laboratory of Atmospheric Chemistry. The project focuses on off-line aerosol organics characterization , source apportionment , and fossil / non-fossil carbon analyses using aerosol mass spectrometry and 14C analyses , with a regional emphasis on Eastern Europe and Asia . The work includes performing 14C and aerosol mass spectrometer analyses on filters collected in Eastern Europe and Asia, developing new workflows for methanol extraction with the aerosol mass spectrometer, and studying the source apportionment of organics and elemental carbon across different regions. The position also involves offline measurements at PSI and the University of Bern, publication in high-impact journals, and writing a PhD thesis at ETH Zurich. Eligibility highlights: a Master's degree in Atmospheric Science or a related field, laboratory experience (advantageous), strong programming and data analysis skills (e.g. Python), and excellent oral and written English. The post is suited to a team player with interest in atmospheric chemistry, aerosol science, and analytical methods. Application: apply online via the PSI job portal by 2026-08-05 . Contact persons listed are Dr Kaspar Dällenbach and Prof. Dr Andre Prevot.