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September 6, 2025

**Job Description**
The project aims to utilize advanced Machine Learning techniques to predict the anharmonic vibrational spectra of large Polycyclic Aromatic Hydrocarbon (PAH) molecules. These PAHs, with sizes exceeding 40 carbon atoms, are prevalent in astronomical environments and are responsible for dominant vibrational emission features observed in galaxy spectra. The current calculation methods for anharmonic spectra using 2nd order Vibrational Perturbation Theory on Density Functional Theory derived Quartic Force Fields are computationally intensive for astronomically relevant PAH sizes and numerous isomers, highlighting the need for machine learning solutions.

**Skills & Abilities**
• Demonstrated commitment as a researcher, evidenced by previous research experiences, publications, and presentations at international conferences.
• Experience with using neural networks and topological descriptors for molecules or materials.
• Excellent communication and writing skills in English.
• Ability to work both independently and collaboratively in a multidisciplinary environment.

**Qualifications**
Required Degree(s) in:
• Chemistry
• Physics
• Astronomy
• Computer Science
• Related field

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Work Level
Ph.D, Postdoc
Employment Type
Research Job
Salary
Annual Salary: €42,552 - €66,456 (Gross monthly salary ranges between €3,546 to €5,538) Position Classification: UFO profile name and level are applicable Union Affiliation: Collective Labour Agreement of Universities of the Netherlands is applicable Benefits: 8% holiday allowance and 8.3% year-end allowance
Valid Until
October 10, 2025
Details
Temporary Full-time Duration: 12 months Location Requirement: Campus-based
School / Department / Center / Lab
• Anton Pannekoek Institute for Astronomy (API) • HIMS • Molecular and Materials design program (MMD Hub)
Supervisor(s)
Dr. Alessandra Candian Dr. Daniela Huppenkothen Prof. Wybren Jan Buma
Supervisor Email
a.candian@uva.nl
University of Amsterdam (UvA)
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