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Postdoc/Scientist (f_m_x) — organic isotope geochemistry

vor 1 Monat


Potsdam, Deutschland Helmholtz Centre Potsdam Vollzeit
Reference Number 9322

Project: Multi-element stable isotope analysis using Orbitrap mass spectrometry

Section 3.2 at GFZ Potsdam focuses on molecular and isotopic organic geochemistry across the full spectrum of the carbon cycle. One particular focus is currently laid on stable isotope analysis of light elements using Orbitrap mass spectrometry (including site-specific isotope analysis (PSIA) and determination of clumped isotopes amongst others) with the goal of establishing new methodologies and adding further dimensions to existing proxies used in e.g.(paleo)environmental reconstructions.

We are seeking a highly motivated candidate to fill a postdoctoral position to work on the simultaneous determination of multi-element (C, H, O) stable isotope ratios in a variety of analytes, including oxygenated lipids in biological and geological samples, and urea in biological media, with a strong focus on method development. The successful candidate will perform wet chemical preparation of aqueous, environmental and biological samples followed by analysis using LC-Orbitrap (ESI, APCI and/or APPI) and GC-Orbitrap (EI), and statistical evaluation of results. Understanding of isotope (geo)chemistry and prior experience with either PSIA or Orbitrap mass spectrometry will be highly beneficial. Additional PSIA-focused side-projects proposed by the candidate may be feasible. The position can be filled immediately and runs for up to 24 months until the end of May 2026. Inquiries can be sent to Christian Hallmann.

Your responsibilities:

Actively coordinate the project (sample acquisition e.g. from collaboration partners, analyses, results, communication thereof, meetings and presentations) Wet chemical workup of samples Molecular isotope analysis using Orbitrap mass spectrometry Evaluation of data using R, Python or alternative Interpretation of data in coordination with PI Publication of results in the international peer-reviewed literature Presentation of results at conferences

Your qualifications:

Master’s degree and PhD in (Bio)(Geo)Chemistry, or related field Academic excellence - evidenced by a strong academic record Experience with mass spectrometry Ideally, experience with Orbitrap mass spectrometry Ideally, experience in using R, Python or an equivalent alternative Hands-on, can-do attitude with high respect for deadlines Team player with excellent interpersonal skills Proactive communication of progress and results Diligent and well-organized persona with great attention to detail Good writing and communication skills in English

What we offer:

Ambitious and varied tasks in a dynamic and international research environment State-of-the-art equipment Public service benefits Extensive training opportunities Professional career advice offered by our in-house Career-Center Flexible working hours and conditions Support with finding a good work-life balance offered by benefit@work Institute day-care center on site Working at the Albert Einstein science park on the Telegrafenberg in Potsdam Work place within walking distance of Potsdam main train station, or just a short ride on the shuttle bus Start date: As soon as possible
Fixed-term: Up to 24 months until the end of May 2026
Salary: The position is classed as salary group 13 according to “TVöD Bund (Tarifgebiet Ost)”. The salary group is determined on the basis of the Collective Wage Agreement and the respective personal qualifications.
Working hours: Full-time (currently 39 h/week); The position is generally suitable for part-time work.
Place of work: Potsdam

Have we piqued your interest?

If so, we look forward to receiving your application by 22nd May 2024 . Please use our online application form only.

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