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Theoretical Physicist (TH-SP-2023-8-IC)

Geneva, Switzerland
Posting live until
31 May 2023

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Job Details

Job Description


The CERN Theoretical Physics Department (CERN-TH) is seeking to fill several permanent research staff positions. We are looking for outstanding researchers with internationally recognised leadership in theoretical particle physics. The positions are devoted to full-time research. CERN-TH has substantial stable research funding at its disposal, systematically attracts a large number of top theorists on a range of positions, and has an active programme of visiting scientists and topical workshops. Diversity has been an integral part of CERN’s mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to its success.

To apply, click on the green box ‘I’m interested’ on the right hand side of the screen, and select your preferred way of applying e.g. ‘fill manually’. Applications should reach us no later than 31 May 2023.


  • Develop research of outstanding scientific quality in areas of theoretical physics of relevance to the CERN Theory Department;
  • Guide an active research group and mentor young researchers;
  • Contribute to all aspects of the scientific environment of the Theory Department, to its management and strategic choices.


PhD or equivalent relevant experience in the field of PhD / Doctorate in theoretical physics, or equivalent. or a related field.

Experience and Competencies:

  • Demonstrated excellence and leadership in physics research;
  • High capacity for innovation and potential for making a significant medium to long-term contribution to the scientific programme of the Organization.

Technical competencies:

  • Development of models, theories underlying what is observed in nature;
  • Knowledge of theoretical particle physics.

Behavioural competencies:

  • Achieving Results;
  • Solving Problems;
  • Building Relationships;
  • Working in Teams;
  • Learning and Sharing Knowledge;
  • Communicating Effectively;
  • Creating Vision and Strategic Partnerships;
  • Leading with Strength and Credibility.

Language skills:

Good knowledge of English: ability to understand and speak the language in professional contexts as well as the ability to write publications and official communications and to make oral presentations.

Additional Information

Eligibility and closing date:

At a later stage, where required, the holder of an indefinite contract may have to undertake special working hours, as well as work in Radiation Areas.

The holder of an indefinite contract is expected to progress in this initial assignment or in other domains as required for the fulfilment of the Organization's mission.

Employment Conditions

Contract type: Indefinite contract.

Additional information

The recruitment procedure consists of a highly selective process and may involve scientific discussions with senior theoreticians, giving a seminar, as well as investigations by a dedicated Search Committee and the approval of the final nomination by the Director-General.  

In order to review and evaluate your application optimally, the Search Committee will research your work independently.  You are therefore not required to, but may choose to, submit the following in support of your application:

  • A Curriculum Vitae;
  • A list of 10 most important publications indicating where you have been a principal contributor or a co-author;
  • A covering letter giving your research interests and plans;
  • Up to three names of referees who may be contacted by the Search Committee.

Please note:

  • Our online application system is a commercial platform which only allows for alphanumeric values. Attachments may therefore provide you with a greater freedom of expression;
  • Should you have any difficulties in applying through our system, please contact Laetitia Breavoine (

Eligibility and closing date

Employing a diverse and international workforce is a CERN core value and central to our success. 

This vacancy will be filled as soon as possible and applications should normally reach us no later than 31 May 2023.

Employment Conditions

Contract type: indefinite duration

Job grade:


Job grade: 6-7

Job reference: TH-SP-2023-8-IC

Benchmark Job Title: Theoretical Physicist

Please make sure you have all the documents needed to hand as you start your application, as once it is submitted, you will not be able to upload any documents or edit your application further.


CERN profileAt CERN, physicists and engineers use the world’s largest and most complex scientific instruments to study the basic constituents of matter – the fundamental particles – to probe the underlying structure of the universe.

Working at CERN
CERN is a truly unique organization. A genuine collaboration between countries, universities and scientists, driven not by profit margins, but by a commitment to create and share knowledge. At CERN, students, recent graduates and experienced professionals work together to push for immense scientific discoveries, answering some of life’s most complex questions and advancing the boundaries of human knowledge.

People are free to work creatively and to trust in, and rely on, their colleagues across the organization. History is being made at CERN – and the excitement is tangible, inspiring, overwhelming at times. It is the only place in the world that you can do this work in this way.

Why work for us
Today, CERN employs more than 2500 people, and if you visit us you will find more than 2500 different reasons why CERN is such a great place to work. Six key reasons that we believe will make you love working here are: challenge; purpose; imagination; integrity; collaboration; and quality of life.

Student and graduate schemes
CERN technical and administrative internships and graduate schemes offer international students and recent graduates the opportunity to work with world-class scientists and engineers on cutting-edge research in particle physics, computational science, life sciences, engineering, international relations, and more. Whichever route you take, it will be an extraordinary experience.

What we are looking for
To conduct experiments of this scale and importance, CERN needs people from various career levels and with a wide range of abilities, skills and competencies. We have job opportunities for students, graduates and experienced professionals, from apprenticeships to PhDs (and beyond). Whatever your background, field of interest or diploma level, CERN could be the place for you.

Geneva, Switzerland

Number of employees
2500+ staff members; several hundred on graduate and student programmes

Positions recently recruited for
Computing engineer, radiofrequency engineer, process operator in cryogenics, web developer, mechanical engineer, administrative assistant, system administrator, power electronics engineer, scientific writer, applied physicist and many more

Desired degree disciplines/class
From apprenticeship to PhD in a wide variety of domains

How to apply
Apply online at

Closing date
All year round

Tel +41 22 76 63 786

Company info
+41 22 76 63 786
Esplanade des Particules 1
PO Box 1211
Geneva 23

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