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In order to fill a fixed-term position in full-time (39.83 hours/week = 100%;) at the earliest possible date, we are looking for 1 Environmental research with liquid chromatography-mass spectrometry with a focus on Soil Science The Soil Science and Soil Resources Group (Prof. Ines Mulder) investigates biogeochemical processes in soils and develops analytical methods to characterize anthropogenic substances in soils and urban ecosystems. The focus of this position is on the application and further development of high-resolution mass spectrometric methods in combination with liquid chromatography to detect organic micro-pollutants in complex soil and environmental samples. The research concentrates on disinfectants, pharmaceutical residues, and other organic trace substances, whose entry into (peri-)urban soils may alter ecosystem functioning. Scope: full-time Duration: fixed-term, 3 years Start: at the earliest possible date Apply by: 2026-08-31 Your tasks: • Project management for the quantification of disinfectants and antibiotics in environmental samples using UPLC-MS/MS and UPLC-HRMS, including laboratory and data analysis work • Establishment of an analytical platform for organic trace substance analysis in cooperation with the Hydrogeochemistry Group, including administration, data, and quality assurance • Further development of existing analytical methods, including non-target analysis • Method development for the analysis of novel compounds from environmental samples • Conducting field and laboratory work for data collection • Preparation and publication of project results in scientific journals • Opportunity to apply for and develop your own projects • Teaching up to 4 hours per week per semester for geography students and supporting students during data collection, evaluation, and analysis for theses Your profile: • Master’s degree in environmental sciences, geography, earth sciences, environmental analytics, or a similar discipline • Completed doctoratewith a relevant focus is desirable • Enthusiasm for soil science topics • Knowledge in analytical chemistry and statistical methods is required • Strong interest in a scientific career • Interest in publishing in German and English • Experience in university teaching is an advantage • Excellent knowledge of the German language (for teaching) or willingness to learn German • Excellent English language skills (written and spoken) • Willingness to perform independent laboratory and field work • Willingness to travel and undertake multi-day to multi-week international stays for sampling campaigns [https://jobs.ruhr-uni-bochum.de/jobposting/a57570951ea5a9b6c59f89831db7182a89fed6350?ref=AfA](https://jobs.ruhr-uni-bochum.de/jobposting/a57570951ea5a9b6c59f89831db7182a89fed6350?ref=AfA)