The research pertains to ongoing work within the Power Systems Research Group (PSRG) in the Electrical and Electronic Engineering department at Stellenbosch University, in close collaboration with the Centre for Renewable and Sustainable Energy Studies. PSRG's focus areas include understanding sources of uncertainty and variability in the modern power system, developing appropriate energy and network models, and evaluating the associated techno-economic impacts. Additionally, the group endeavours to develop computational tools to support the planning and operations of power systems with high penetration of renewable energy resources.

The postdoctoral candidate will contribute to the research activities in energy modelling and grid impact assessment. The research results are expected to be published in high-impact factor journals and top international conferences. Limited mentoring and supervision of postgraduate students within the Power Systems Research Group will also be required.

The fellowship is available for one year and is renewable for a second year subject to satisfactory performance and funding availability.

•PhD (must have graduated within the last five years)
•Excellent communication skills in English (both written and verbal)
•Experience in one or more of the following fields: grid integration studies, hosting capacity analyses, hosting capacity regulations and policy, energy modelling, and load modelling.
•Familiarity with power system software such as DigSilent Powerfactory, Plexos, OpenDSS, or PandaPower
•Good programming command in MATLAB and Python
•Familiarity with South African grid codes, regulations and policies will be beneficial.

Application process: Send a letter of application, accompanied by a 2-page curriculum vitae, including a list of publications, a link to the candidate's PhD thesis, and the names and contact details of two referees, to Prof Bernard Bekker, bbekker@sun.ac.za

Please note that postdoctoral fellows are not appointed as employees, and their fellowships are awarded tax-free. They are therefore not eligible for employee benefits.

Host: Prof Bernard Bekker, SARChI chair in Power System Simulation, and Associate Director at the Centre for Renewable and Sustainable Energy Studies, Engineering Faculty, Stellenbosch University.

Commencement of duties: As soon as possible

The H₂GEN Research Platform at Stellenbosch University is a flagship initiative under the Centre for Renewable and Sustainable Energy Studies (CRSES). The platform focuses on the development, integration, and optimization of renewable hydrogen systems — from solar and wind energy generation, through electrolysis, purification, storage, and end-use applications such as refueling and household energy systems.
These positions form part of the industrial and research (local and international) collaborations, advancing hydrogen technology innovation through experimental validation, simulation, and digital modelling.

The Roles

Two full-time Researcher / Postdoc positions are available within the H₂GEN Platform:
1. Researcher / Postdoc in System Modelling and Digital Twin Development Focus:
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Develop a digital model of the renewable hydrogen value chain – from renewable power input to hydrogen production, purification, compression, and storage.
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Apply simulation tools (MATLAB/Simulink, Python, TRNSYS, or equivalent) to optimize system performance.
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Support the creation of a digital twin for real-time monitoring and predictive system optimization.
2. Researcher / Postdoc in AI-driven Predictive Modelling and Techno-economic Assessment Focus:
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Apply AI and machine learning tools to hydrogen system operation and optimization.
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Conduct techno-economic analyses of hydrogen microgrids, refueling systems, and household applications.
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Develop and implement predictive models for performance, reliability, and cost efficiency.
Both researchers / postdocs will collaborate closely with the researchers in H2GEN, technical partners, contribute to demonstrator testing, and engage in joint publications, presentations and proposals

1. Researcher / Postdoc in System Modelling and Digital Twin Development Focus:

-Develop a digital model of the renewable hydrogen value chain – from renewable power input to hydrogen production, purification, compression, and storage.

-Apply simulation tools (MATLAB/Simulink, Python, TRNSYS, or equivalent) to optimize system performance.

-Support the creation of a digital twin for real-time monitoring and predictive system optimization.

2. Researcher / Postdoc in AI-driven Predictive Modelling and Techno-economic Assessment Focus:

-Apply AI and machine learning tools to hydrogen system operation and optimization.

-Conduct techno-economic analyses of hydrogen microgrids, refueling systems, and household applications.

-Develop and implement predictive models for performance, reliability, and cost efficiency.

-Both researchers / postdocs will collaborate closely with the researchers in H2GEN, technical partners, contribute to demonstrator testing, and engage in joint publications, presentations and proposals

Requirements (Essential):

-MSc or PhD in Mechanical, Chemical, Electrical, or Industrial Engineering, or a related discipline.
-Proven experience in hydrogen systems, renewable energy integration, or energy system modelling.
-Proficiency in simulation tools (MATLAB/Simulink, Python, etc).
-Strong analytical and problem-solving abilities.
-Excellent communication skills and teamwork orientated.

Recommended:

-Experience in AI/ML applications for energy systems.
-Experience with techno-economic analysis or digital twin frameworks.
-Understanding of microgrid systems and hydrogen refueling infrastructure.
-Evidence of research outputs (publications, reports, software tools).

H2GEN offers:

-Competitive remuneration based on qualifications and experience.
-Access to hydrogen and energy research facilities.
-Opportunities for international collaboration and exchange
-Professional development, mentorship, and support for further academic advancement.
-A dynamic, interdisciplinary environment at one of Africa's leading research universities.
-Contract can be renewed up to 3 years depending on performance

How to Apply

Please submit the following as a single PDF document to h2gen@sun.ac.za:

1. A cover letter (max 2 pages) indicating which position you are applying for.
2.A detailed CV, including a list of publications or relevant outputs.
3.Academic transcripts (MSc and/or PhD).
4.Proof of degree or supervisor letter (if PhD pending).

Contact details for three referees.

Closing date: Applications will be reviewed on a rolling basis until both positions are filled. Though final cut-off date is the 20 December 2025. Should you not hear back from us, kindly consider the application not successful.

Stellenbosch University reserves the right not to make an appointment and to withdraw or re-advertise the post at any time.
Enquiries: Prof. Prathieka Naidoo – prathiekan@sun.ac.za Mr. Paul Thiele – h2gen@sun.ac.za

About Stellenbosch University

Stellenbosch University is internationally recognized for excellence in research and innovation. The Centre for Renewable Sustainable Energy Studies (CRSES) works closely with the H2GEN research team in driving South Africa's transition to a low-carbon energy future, promoting sustainable and equitable access to energy technologies.

Join us in advancing the renewable hydrogen revolution through pioneering research, digital innovation, and sustainable impact.
Closing date: 20 December 2025.