Research Assistant (f/m/non-binary)

PhD Student - Low carbon Building Materials



Sigrid Hubatsch


+49 241 8095102




Fabien Georget


+49 241 80 95133



Lehrstuhl für Baustoffkunde

Our Profile

The Institute of Building Materials Research at RWTH Aachen University is a nationally and internationally recognized research institute for interdisciplinary, fundamental and practice-oriented research and development in the field of construction materials. The working group “Microstructure and Modelling” focus on understanding and quantifying the link between the microstructure (phase composition and pore network) of cementitious materials and its macroscopic properties (mechanical and chemical). The objective is to design the best pathways to dramatically reduce the CO2 emissions of the construction industry.

This PhD project is one of the two PhDs taking place at RWTH in the Carbon4minerals project, a Horizon Europe project, funded by the European commission. Carbon4Minerals develops innovative technologies for CO2 capture and use in the production of low carbon minerals as alternative building materials. It is a European consortium of 14 academic and industrial partners. This project concerns the development of reactive transport models for carbonation curing as supporting simulation tools for process and product development.

Your Profile

- University degree (master or comparable) in material science, civil engineering, mineralogy or chemical engineering.
- A good knowledge of programming language (C++, python) and data analysis is required.
- A good autonomy and curiosity in mathematical modeling, and computational mathematics is expected.
- Your skills in English needs to allow a good oral, and written communication with international collaborators.
- Knowledge of cement science, thermodynamics for geosciences is beneficial for this project. As it is hosted in a German university, a basic communication skill in German, or willingness to learn it during the PhD is required.


Your Duties and Responsibilities

This project aims to develop a reactive transport model to model the carbonation curing including the coupling between CO2, water and heat transport, and the chemical reactions. You will be responsible to develop and validate this model. You will have to familiarize yourself with thermodynamic and reactive transport modeling for cementitious materials. You will develop a model adapted to carbonation curing of cementitious materials, and implement and iterate on the model. You will also validate the model using data from lab and pilot-scale for the consortium partners. You will also be responsible for the dissemination of your results (project internal knowledge transfer, conferences, scientific articles). Finally, you will also be responsible in participating in common tasks of the institute, in particular teaching.

What We Offer

The successful candidate will be employed under a regular employment contract.
The position is to be filled at the earliest possible date and offered for a fixed term for one year initially.
A further employment of at least two more years is intended.
The fixed-term employment is possible as it constitutes one of the fixed-term options of the Wissenschaftszeitvertragsgesetz (German Act on Fixed-term Scientific Contracts).
This is a full-time position.
The successful candidate has the opportunity to pursue a doctoral degree in this position.
The salary is based on the German public service salary scale (TV-L).
The position corresponds to a pay grade of EG 13 TV-L.

About us

RWTH is a certified family-friendly University. We support our employees in maintaining a good work-life balance with a wide range of health, advising, and prevention services, for example university sports. Employees who are covered by collective bargaining agreements and civil servants have access to an extensive range of further training courses and the opportunity to purchase a job ticket.
RWTH is an equal opportunities employer. We therefore welcome and encourage applications from all suitably qualified candidates, particularly from groups that are underrepresented at the University. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of national or ethnic origin, sex, sexual orientation, gender identity, religion, disability or age. RWTH is strongly committed to encouraging women in their careers. Female applicants are given preference if they are equally suitable, competent, and professionally qualified, unless a fellow candidate is favored for a specific reason.
As RWTH is committed to equality of opportunity, we ask you not to include a photo in your application.
You can find information on the personal data we collect from applicants in accordance with Articles 13 and 14 of the European Union's General Data Protection Regulation (GDPR) at

Application deadline:10/02/2023
Mailing Address:RWTH Aachen University
Institute of Building Material Research - Construction Materials
Sigrid Hubatsch
Schinkelstr. 3
52062 Aachen
Applicants are invited to submit their applications via email. For data protection reasons, however, we recommend sending applications via mail.