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Job Title: Graduate Research Assistant
Job Description:
Your PhD project will be centered around the understanding the interplay between organic and inorganic nitrate present in aerosols, using chemical ionization mass spectrometry, oxidative potential measurements, and the PSI Atmospheric Chemistry Simulation chamber (PACS). For the Laboratory of Atmospheric Chemistry we are looking for a PhD Student in atmospheric science. Responsibilities: You will characterize, operate and calibrate an online mass spectrometer equipped with an extractive electrospray ionization mass spectrometer to measure both inorganic and organic components of the aerosol. You will also learn how to operate an instrument to measure oxidative potential. You will prepare for and become an expert in conducting experiments at the PACS chamber. This involves the development of the experimental run plan, the operation and maintenance of the instruments and the operation of the PACS chamber. Your work will involve the collaborative experiments with various collaborators, including international partners. Your profile: Master's degree in physical chemistry, chemistry, environmental sciences or a related field. Ability to produce data under supervision and capability of critical analysis, evaluation and synthesis of new and complex ideas. Ability to communicate the outcome of your research. Good interpersonal skills, team player. Good knowledge of English (written and spoken).| Date of Posting | 10/14/2025 |
| Company/Institution | Paul Scherrer Institute |
| Categories | • Graduate student |
| City | Villigen |
| State | |
| Country | CH |
| Application URL | https://www.psi.ch/en/hr/job-opportunities/72386-phd-student-in-atmospheric-science |





















