PhD Position in Computer Science
University of Luxembourg


PhD Position in Computer Science

Contract Type:

Fixed Term Contract


36 Month
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, Technologyand 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.

The Research Group of Prof. Dr. Volker Müller, part of the Laboratory of Algorithmics, Cryptography and Security (LACS), embedded in the Department of Computer Science (DCS) of Faculty of Science, Technology and Medicine (FSTM), is currently looking for a Doctoral researcher (PhD candidate) in Computer Science.

Your Role...

The successful applicant will be a member of the Doctoral School for Science and Engineering (DSSE) offering a Doctoral Program in Computer Science aiming to provide interdisciplinary and internationally competitive research training.

The proposed PhD project will be a continuation of research done by Jim Barthel in computational number theory and public key cryptography in the context of the PRIDE project. A possible research starting point for this PhD project is the practical evaluation of a combination of graph-based techniques with number-theoretic problems like the “simultaneous Chinese Remainder Theorem” or integer factorisation and generalizations thereof, especially practical evaluations of possible algorithms for the “Decisional Simultaneous Chinese Remaindering” problem is of interest. Suggestions for other interesting research topics in computational number theory or public key cryptography can also be discussed.

Your Mission

  • Research on the existing results on different variants of the simultaneous Chinese remainder problem and extension of some of the ideas presented in the PhD dissertation of Jim Barthel
  • Disseminate results through scientific publications and talks at conferences
  • Obtain a PhD in Computer Science
  • Support for teaching of up to 4h per week
What we expect from you…
  • Master-degree in Computer Science or Applied Mathematics
  • Proven interest in computational number theory or public key cryptography is required.
  • Commitment, team spirit, a critical mind, and motivation are skills that are more than welcome.
  • Language: English is a must, French / German in addition would be an asset
  • Willingness to inscribe as PhD-student at the University of Luxembourg
In Short...
  • Contract Type: Fixed Term Contract 36 Month (extendable up to 48 months if required)
  • Work Hours: Full Time 40.0 Hours per Week
  • Employee and student status
  • Location: Belval
  • Job Reference: UOL05503

The yearly gross salary for every PhD at the UL is EUR 40952 (full time)

How to apply...

Applications should include:

  • Motivation letter including CV, PDF of MSc graduation project, copies of diplomas including full list of marks).

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.

In return you will get…
  • Multilingual and international character. Modern institution with a personal atmosphere. Staff coming from 90 countries. Member of the “University of the Greater Region” (UniGR). 
  • A modern and dynamic university. High-quality equipment. Close ties to the business world and to the Luxembourg labour market. A unique urban site with excellent infrastructure.
  • A partner for society and industry. Cooperation with European institutions, innovative companies, the Financial Centre and with numerous non-academic partners such as ministries, local governments, associations, NGOs …
Further information...

For more information, please contact professor V. Müller ( or check the website: URL:

If you apply for this position please say you saw it on Academicoxy


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