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Postdoctoral researcher in High-Performance Computing

University of Luxembourg
Esch-sur-Alzette, Luxembourg
Closing date
24 Aug 2024

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Computing, Physics
Job Type
Employment - Hours
Full time
Fixed term

Job Details

The University | About us...

The University of Luxembourg is an international research university with a distinctly multilingual and interdisciplinary character. The University was founded in 2003 and counts more than 6,700 students and more than 2,000 employees from around the world. The University's faculties and interdisciplinary centres focus on research in the areas of Computer Science and ICT Security, Materials Science, European and International Law, Finance and Financial Innovation, Education, Contemporary and Digital History. In addition, the University focuses on cross-disciplinary research in the areas of Data Modelling and Simulation as well as Health and System Biomedicine. Times Higher Education ranks the University of Luxembourg #3 worldwide for its "international outlook," #20 in the Young University Ranking 2021 and among the top 250 universities worldwide.

The Faculty of Science, Technology and Medicine (FSTM) contributes multidisciplinary expertise in the fields of Mathematics, Physics, Engineering, Computer Science, Life Sciences and Medicine. Through its dual mission of teaching and research, the FSTM seeks to generate and disseminate knowledge and train new generations of responsible citizens, in order to better understand, explain and advance society and environment we live in.

Since 2006, the University of Luxembourg has invested in its own High-Performance Computing (HPC) facilities. A special focus was placed on developing large computing power and huge data storage capacity to accelerate the research performed in intensive computing and large-scale data analytics (Big Data). This characteristic distinguishes the HPC centre at the university from many other HPC facilities, which often concentrate on only one of these two pillars. Nowadays, the UL HPC team is deeply involved in national and European HPC developments. Further information can be found on The activities include classical HPC applications such as simulation and modelling, but also artificial intelligence and machine learning, bridging computational science with data science and data management (IoT/Edge/HPC).

Your Role...

This is a fully funded position for 12 months in the HEXAPIC project, which is conducted in collaboration with Prof. Leon Kos's team at the University of Ljubljana.

The HEXAPIC project aims to develop a novel high-performance Particle-In-Cell (PIC) code for plasma physics simulations, leveraging the capabilities of exascale computing systems. By optimising PIC algorithms for modern heterogeneous architectures, including CPUs, GPUs, and other accelerators, the project seeks to achieve unprecedented efficiency and resolution in plasma simulations. This advancement will enable high-fidelity modelling of complex plasma processes, contributing significantly to fields such as fusion reactor design, material deposition technologies, and space propulsion systems. The project brings together a multidisciplinary team to push the boundaries of plasma physics and computational science.

The position holder will be required to perform the following tasks/will do research on the following topics

  • Contribute to the HEXAPIC project
  • Carry out research in the predefined areas
  • Disseminate results in top scientific venues
  • Providing guidance to PhD and MSc students
  • Participating in proposal writing
  • Participating in teaching activities
  • Present results in international conferences and workshops

What we expect from you…

  • A PhD degree in Computer Science,  Physics or a related field
  • Strong background in understanding plasma physics and computational plasma physics
  • Excellent understanding of mathematical modelling, especially for plasma physics in 1D, 2D and 3D
  • Experience with Particle-In-Cell (PIC) code development and kinetic models
  • Experience in high-performance computing is desirable
  • Sound publication track record in relevant international conferences and top journals
  • Highly committed, excellent team-worker, and strong critical thinking skills
  • Excellent written and verbal communication skills in English

How to apply...

Applications should be in English and include

  • Curriculum Vitae, including work experience and publications
  • Letter of intent, including the personal motivations for applying to the University of Luxembourg and its HPC
  • Certified copies of degree certificates, incl. a transcript of courses taken (with grades)
  • Names and contact details of three referees

Early application is highly encouraged, as the applications will be processed upon reception. Please apply ONLINE formally through the HR system. Applications by email will not be considered.

The University of Luxembourg embraces inclusion and diversity as key values. We are fully committed to removing any discriminatory barrier related to gender, and not only, in recruitment and career progression of our staff.

General information:

  • Contract Type: Fixed Term Contract 12 Month
  • Work Hours: Full Time 40.0 Hours per Week
  • Location: Campus Belval
  • Internal Title: Postdoctoral researcher
  • Job Reference: UOL06555

The yearly gross salary for every Postdoctoral Researcher at the UL is EUR 83099 (full time)

For inquiries, please contact Dr. Julien Schleich and Dr. Ezhilmathi Krishnasamy.



The University of Luxembourg aspires to be one of Europe’s most highly regarded universities with a distinctly international, multilingual and interdisciplinary character. She fosters the cross-fertilization of research and teaching, is relevant to her country, is known worldwide for her research and teaching in targeted areas, and becomes an innovative model for contemporary European Higher Education. Her core asset is her well connected world-class academic staff which will attract the most motivated, talented and creative students and young researchers who will learn to enjoy taking up challenges and develop into visionary thinkers able to shape society.


The University of Luxembourg, a small-sized institution with an international reach, aims at excellence in research and education. In a reduced number of research fields identified by its successive strategic plans, its ambition is to be among the world's top universities. University of Luxembourg intends to be innovative, centred on research, primarily interested in the quality of the structure it offers to its students, its teachers and its researchers and attentive to the needs of the society around it. It contributes to turning out discerning and independent personalities with strong potential for action in research, innovation and in society.

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