PhD Research Fellow in Algorithmic Number Theory and Cryptography

Offer Description

UiB - Knowledge that shapes society

Through robust and close interaction with the world around us – globally, nationally and locally – we shall be instrumental in building a society based on knowledge, skills and attitudes.

PhD position in Algorithmic Number Theory and Cryptography

There is a vacancy for a PhD Research Fellow in Algorithmic Number Theory and Cryptography at the Department of Informatics .The position is for a fixed-term period of 3 years with the possibility of a 4th year with career-promoting work (e.g. teaching at the Department). The position is part of the FRIPRO-project “Integer Factorization and Related Cryptographical Problems”, which is funded by the Research Council of Norway and starts on October 1st, 2025.

About the project / work tasks

The project is concerned with the study of several algorithmic problems in the areas of number theory, cryptography and complexity theory. In particular, there will be a focus on integer factorization, the subset-sum and the shortest vector problem. The position is part of a small team that works on the development and optimization of algorithms for these problems, as well as proofs on theoretical complexity bounds. Common tasks include :

• Developing ideas for improving existent or creating novel algorithms
• Coding algorithms and conducting experiments
• Staying up to date with the current literature

Qualifications and personal qualities

Personal and relational qualities will be emphasized. Research experience, ambitions and potential will also count when evaluating the candidates.

Special requirements for the position

The University of Bergen is subjected to the regulation for export control system. The regulation will be applied in the processing of the applications.

About the PhD Research Fellow position : The fellowship will be for a period of 3 years, with the possibility for a 4th year contingent on the qualifications of the candidate and the teaching needs of the department and will be decided by the Head of department upon appointment. If a 4th year is granted, one year of career-promoting work associated with teaching, dissemination or research infrastructure / services, will be distributed over the full employment period and thus corresponding to 25 per cent of the time each year.

The employment period may be reduced if you have previously been employed in a qualifying post (e.g. research fellow, research assistant).

About the research training : As a PhD Research Fellow, you must participate in an approved educational programme for a PhD degree within a period of 3 years. The deadline for applying for admission to the PhD programme at TheFaculty of Science and Technologyis 2 months after you start your position or after the start of the research project that will lead to the PhD degree. It is a condition that you satisfythe enrolment requirements for the PhD programme at the University of Bergen.

We can offer

The application and appendices with certified translations into English or a Scandinavian language must be uploaded at Jobbnorge

General information :

Detailed information about the position can be obtained by contacting : Markus Hittmeir, Data Scientist in NORCE Analytics, on or Lilya Budaghyan, Professor at the Department of Informatics, on .

For HR related questions contactHR adviserMaria Svåsand at or telephone .

Diversity is a strength that enables us to solve our tasks even better.UiB therefore needs qualified employees regardless of gender, ethnicity, religion, worldview, disability, sexual orientation, gender identity, gender expression, and age.

We encourage women / mento apply. If multiple applicants have approximately equivalent qualifications, the rules pertaining to moderate gender quotas shall apply.

The University of Bergen applies the principle of public access to information when recruiting staff for academic positions.

Information about applicants may be made public even if the applicant has asked not to be named on the list of persons who have applied. The applicant must be notified if the request to be omitted is not met.

The successful applicant must comply with the guidelines that apply to the position at all times.

We encourage applicants with disabilities, immigrant backgrounds, or gaps in their CV to apply. By indicating such circumstances in your application, you may receive favourable consideration. We ensure that at least one qualified applicant from each of these groups is invited for an interview as part of our commitment to inclusivity and equal opportunity. For further information about the recruitment process, click here.

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