Postdoc: Thermodynamic Modelling & EoS (Open-Source)

Paul Scherrer Institut; Villigen; On-site; CHF 90,000 - 110,000; Full time

Job summary

Paul Scherrer Institute (PSI) in Villigen, Switzerland, invites applications for a Postdoctoral Fellow in Thermodynamic Modelling and Equations of State. The role focuses on developing and applying advanced thermodynamic models for hydrothermal systems and on interpreting experimental data.

You will collaborate with PSI researchers and international partners, contribute to open-source ecosystems, and publish results at conferences. The contract is for two years with on-site duties.

Qualifications

• PhD in geochemistry, physical chemistry, chemical engineering, computational science or related field with background in chemical thermodynamics.
• Experience with scientific programming in Python and/or C++ or demonstrated ability to develop scientific software.
• Experience with non-linear least-squares fitting, parameter optimisation and uncertainty estimation.
• Experience with geochemical modelling codes (GEMS, PHREEQC, SUPCRT / SUPCRTBL, Reaktoro) is advantageous.

Responsibilities

• Develop and apply equations of state and activity models for hydrothermal systems.
• Compile and interpret experimental thermodynamic data; estimate model parameters.
• Contribute to thermodynamic databases and open-source tools (ThermoFun, ThermoExp, GEMS, GEMSFITS).
• Collaborate with PSI and international partners; present results at conferences.

Skills

Python programming

C++ programming

Scientific computing

Parameter optimisation

Uncertainty estimation

Education

PhD in geochemistry, physical chemistry, chemical engineering, computational science or related field

Tools

GEMS

PHREEQC

SUPCRT / SUPCRTBL

Reaktoro

Thermodynamic databases

Job description

Paul Scherrer Institute (PSI) in Villigen, Switzerland, invites applications for a Postdoctoral Fellow in Thermodynamic Modelling and Equations of State. The role focuses on developing and applying advanced thermodynamic models for hydrothermal systems and on interpreting experimental data.

You will collaborate with PSI researchers and international partners, contribute to open-source ecosystems, and publish results at conferences. The contract is for two years with on-site duties.