Scientific Associateship (Theoretical Physics)

What you'll do

You participate in CERN’s scientific programmes as an established and experienced scientist with an existing professional relationship with the Organization. You make use of CERN’s research facilities to contribute to theoretical particle physics activities, within the framework of CERN’s role as a European and global scientific centre.

Your responsibilities

You carry out scientific activities in theoretical particle physics using CERN’s research environment.
You contribute to theoretical particle physics programmes and related research activities.
You engage with CERN theoretical physics teams and scientific programmes.
You bring your experience and expertise to theoretical research and scientific collaboration at CERN.

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Your profile

You are an established and experienced scientist with a strong academic background in theoretical particle physics.
You are actively involved in research and/or advanced academic activities in your field.
You have an existing professional relationship with CERN or its theoretical physics programmes.
You are interested in contributing to large-scale international scientific research activities.

Your skills

You demonstrate strong analytical and theoretical expertise.
You are able to contribute effectively to advanced theoretical research and scientific collaboration.
You work comfortably in an international and research-driven environment.
You communicate clearly and professionally in a scientific context, in English and/or French.

Ideal start date: 07/01/2026

Contract duration (in months): Up to 12

Job flexibility: Hybrid

Global Benefits at CERN

A subsistence allowance between 6683-9465 Swiss Francs per month (tax free) depending on your experience.
2,5 days per month of authorized absences provided your association contract lasts at least 4 months plus 2 weeks annual closure.
Family supplement to subsistence allowance, depending on your individual circumstances.
Travel expenses to Geneva upon joining CERN, depending on your individual circumstances.
Possibility to extend your contract up to 24 months.

Let's get you ready

Be sure to meet the eligibility criteria

You have already established a professional relationship with CERN.
You have a good knowledge of English.
You remain employed by your home institute during your appointment at CERN.
By the application deadline, you must be below the CERN retirement age.
Please pay attention to the additional criteria and requirements for this specific position and mentioned above.
Please ensure that your application is submitted under the field of work indicated in the position title, as Experimental Physics and Theoretical Physics are separate recruitment processes. All open positions within the associate programmes are available on the Associates Programmes page.

You will need these documents to complete your application

Your CV (English or French)
Three recent letters of recommendation (not older than one year at the application deadline) outlining your academic and/or professional achievements (optional for the specific vacancy in Theoretical Physics).
A list of the 10 most relevant publications indicating the personal contribution in 2-3 lines each (optional for the specific vacancy in Theoretical Physics).

Your CERNDepartment

The TH department is a center of excellence in theoretical high-energy physics, supporting CERN's experimental programme and fostering global collaboration and education in fundamental research areas.

Overview of CERN

Discover a world where the impossible is made possible!

At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!

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Still have a doubt ? Here are the most frequently asked questions

What should I expect during my first week at CERN?

Your onboarding at CERN includes a comprehensive induction programme, which starts with an official welcome session at the beginning of each month. In addition, you will receive important information both before and after your arrival to ensure a smooth transition into your new role. This process is designed to help you get acquainted with CERN’s environment, your team, and the tools and systems you’ll be using.
How big would the team be?

The size of the team you'll be working with at CERN depends on the specific role and department. Some teams are small and highly specialized, while others are larger and more interdisciplinary. During the interview process, you'll have the opportunity to learn more about the team structure for the position you are applying for.
What is the working language at CERN?

The working languages at CERN are English and French. However, it is not always mandatory to speak both languages to work at CERN. We offer language training to help you acquiring the other language.
What support does CERN provide for relocation?

CERN does not offer direct assistance with relocation. However, depending on your role and specific criteria, you may be eligible for certain benefits such as an installation allowance and coverage of travel expenses to join CERN. These benefits are designed to help ease the transition when relocating to the Geneva area. For more information, please consult the “Salary, Benefits and Support“ page.
Do I need a visa to work at CERN?

Whether you need a visa to work at CERN depends on your nationality and the duration of your stay. CERN assists with the necessary visa and work permit processes for its employees and visitors. The specific requirements will be communicated to you during the recruitment process.
What would my salary be?

Salaries at CERN are determined by a structured scale. Salaries are based on your role, qualifications, and experience, and are not subject to negotiation. Specific details will be provided as your application progresses. For more information, please refer to the dedicated page.