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PhD Research Fellow in Computer Networks, focused on “Greening the Internet”

Deadline: 28.02.2023

Universitetet i Oslo

The University of Oslo is Norway’s oldest and highest rated institution of research and education with 28 000 students and 7000 employees. Its broad range of academic disciplines and internationally esteemed research communities make UiO an important contributor to society.


The Department of Informatics (IFI) is one of nine departments belonging to the Faculty of Mathematics and Natural Sciences. IFI is Norway’s largest university department for general education and research in Computer Science and related topics.


The Department has more than 1800 students on bachelor level, 600 master students, and over 240 PhDs and postdocs. The overall staff of the Department is close to 370 employees, about 280 of these in full time positions. The full time tenured academic staff is 75, mostly Full/Associate Professors.

Job description

Position as PhD Research Fellow in Computer Networks available at the Department of Informatics at the University of Oslo.

No one can be appointed for more than one PhD Research Fellowship period at the University of Oslo. Starting date no later than October 1, 2023.

The fellowship period is three (3) years. A fourth year may be considered with a workload of 25 % that may consist of teaching, supervision duties, and/or research assistance. This is dependent upon the qualification of the applicant and the current needs of the department.

More about the position

A large amount of energy is required to operate the Internet; as a result, its contribution to global warming is roughly in the order of a percent – the equivalent of a country such as the UK.

The focus of this position is on reducing the Internet’s energy usage by changing its protocols and protocol mechanisms.

Broadly, this endeavour involves:

  • measuring the energy usage of Internet mechanisms in diverse ways (software and hardware) and on diverse systems,
  • understanding the general energy implications of protocol mechanisms, e.g. via models for a network simulator such as ns-3,
  • designing protocols and/or protocol mechanisms that are realistically deployable in the Internet, e.g. by avoiding a performance penalty or even combining energy efficiency with performance gains,
  • contributing to standards in the Internet Engineering Task Force (IETF).

The candidate will be a part of the Networks and Distributed Systems (ND) group at the Department of Informatics (IFI). This group has a long history of standards-oriented Internet research, which has culminated in many IETF standard documents (RFCs) and influenced technology that is deployed in most modern Operating Systems today. We hope to achieve a true global impact by building on this successful past experience.

The position's subject area may require licensing under the Norwegian Export Control Act. In order to be considered for the position, it is a prerequisite that UiO must be able to be granted such licence.

Qualification requirements

The Faculty of Mathematics and Natural Sciences has a strategic ambition to be among Europe’s leading communities for research, education and innovation. Candidates for this fellowship will be selected in accordance with this, and expected to be in the upper segment of their class with respect to academic credentials.

In particular, applicants must have:

  • Master’s degree or equivalent in Electrical Engineering, Communication Engineering, Computer Science or other relevant disciplines.
  • Foreign completed degree (M.Sc.-level) corresponding to a minimum of four years in the Norwegian educational system
  • Very good programming competence in Python, C/C++ or equivalent is required
  • Knowledge and experience in the fields of operating systems, networking, analysis and statistics will be considered as an advantage

The competencies, knowledge and experience listed above must be documented as a part of the application.

In addition to these requirements, any experience in relation to the specific elements of the job description above should be documented and will be considered an advantage. These are: energy measurement; network simulation, e.g. with ns-3; network protocol design; working with IETF standards.

Candidates without a Master’s degree have until 30 June, 2023 to complete the final exam.

Grade requirements:

The norm is as follows:

  • the average grade point for courses included in the Bachelor’s degree must be C or better in the Norwegian educational system
  • the average grade point for courses included in the Master’s degree must be B or better in the Norwegian educational system
  • the Master’s thesis must have the grade B or better in the Norwegian educational system
  • Fluent oral and written communication skills in English
  • English requirements for applicants from outside of EU/ EEA countries and exemptions from the requirements

The purpose of the fellowship is research training leading to the successful completion of a PhD degree.

The fellowship requires admission to the PhD programme at the Faculty of Mathematics and Natural Sciences. The application to the PhD programme must be submitted to the department no later than two months after taking up the position. For more information see:

We offer

  • Salary NOK 501 200 – 544 400 per year depending on qualifications and seniority as PhD Research Fellow (position code 1017)
  • Attractive welfare benefits and a generous pension agreement
  • Vibrant international academic environment
  • Career development programmes
  • Oslo’s family-friendly surroundings with their rich opportunities for culture and outdoor activities

How to apply

The application must include:

  • Cover letter - statement of motivation and research interests
  • CV (summarizing education, positions and academic work - scientific publications)
  • Copies of the original Bachelor and Master’s degree diploma, transcripts of records
  • Documentation of programming competence and knowledge and experience in the fields of operating systems, networking, analysis and statistics
  • Documentation of English proficiency
  • List of publications and academic work that the applicant wishes to be considered by the evaluation committee
  • Names and contact details of 2-3 references (name, relation to candidate, e-mail and telephone number)

While not required, the inclusion of letters of recommendation is appreciated.

The application with attachments must be delivered in our electronic recruiting system (please follow the link “Apply for this job”). Foreign applicants are advised to attach an explanation of their University's grading system. Please note that all documents should be in English or a Scandinavian language.

Applicants will be called in for an interview.

Formal regulations

Please see the guidelines and regulations for appointments to Research Fellowships at the University of Oslo.

No one can be appointed for more than one PhD Research Fellowship period at the University of Oslo.

According to the Norwegian Freedom of Information Act (Offentleglova) information about the applicant may be included in the public applicant list, also in cases where the applicant has requested non-disclosure.

The University of Oslo has an agreement for all employees, aiming to secure rights to research results etc.

Inclusion and diversity are a strength. The University of Oslo has a personnel policy objective of achieving a balanced gender composition. Furthermore, we want employees with diverse professional expertise, life experience and perspectives.

If there are qualified applicants with disabilities, employment gaps or immigrant background, we will invite at least one applicant from each of these categories to an interview.

Contact information

For further information please contact:

For questions regarding Jobbnorge, please contact HR Adviser Therese Ringvold, e-mail: therese.ringvold@mn.uio.no.

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