Physicist / Engineer for Radiation Environments and Effects - European Organization for Nuclear Research (Geneva)

About this position

The summary below is published by European Organization for Nuclear Research on the official vacancy notice. Our own analysis — salary realism, comparable openings, career trajectory, language profile — follows further down the page.

Key responsibilities

According to the vacancy notice, the role centres on the following duties:

• Characterising the radiation field at the CERN accelerators, experimental areas, and irradiation facilities
• Analysing the data recorded in the CERN accelerator complex
• Assessing the need for R2E mitigation measures to be implemented with the aim to improve the availability of CERN accelerators
• Consolidating and improving the existing software tools for radiation level data processing and analysis
• Analysing radiation effects characterisation and modelling aspects in electronic components, and the related implications on accelerator RHA guidelines, including both experimental and simulation activities

Are you eligible?

Check these requirements from the notice before investing time in an application:

• Education: Master's degree with 2 to 6 years of post-graduation professional experience, or PhD with no more than 3 years of post-graduation professional experience, in Applied Physics, Electronics Engineering or a related field
• Experience: Professional background in Applied Physics, Electronics Engineering or a related field; experience in the field of radiation-matter interaction physics and radiation level measurements; familiarity with radiation effects on electronics, including modelling and testing aspects; experience with data analysis software tools for applied physics
• Languages: English (spoken…), French (commitm…)
• Key skills: Knowledge of Radiation measurement and monitoring techniques, Familiarity with Experimental data interpretation and validation methods, Basic Data processing and analysis skills (e.g. Python), Ability to write technical documentation and reports, Problem-solving mindset and ability to efficiently learn new tools, Excellent team-working attitude, with colleagues from different backgrounds and fields, Good communication skills, both written and oral
• Eligibility: National of a CERN Member or Associate Member State; never had a CERN fellow or graduate contract before

Contract and working arrangements

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working arrangements: Fully Onsite.

Hiring unit: Beam Matter Interaction Physics (BMP) section, Monitoring and Calculation Working Group.

Position details

Reference

SY-STI-BMP-2026-120-GRAP

Last Verified

17 July 2026

Position overview

This is the official EU Careers listing for Physicist / Engineer for Radiation Environments and Effects at CERN based in Geneva (Other). The vacancy reference is SY-STI-BMP-2026-120-GRAP. The role falls under the Research domain.

* Full-time

In the context of Radiation to Electronics (R2E) activities within CERN's Beam Matter Interaction Physics (BMP) section, you will work on studying radiation environments and their impact on accelerator systems. Within the Monitoring and Calculation Working Group, your work will focus on the analysis of radiation data with the aim of mitigating the exposure of electronic systems and improving the availability of the accelerators.

Your responsibilities

* Characterising the radiation field at the CERN accelerators, experimental areas, and irradiation facilities. * Analysing the data recorded in the CERN accelerator complex. * Assessing the need for R2E mitigation measures to be implemented with the aim to improve the availability of CERN accelerators. * Consolidating and improving the existing software tools for radiation level data processing and analysis. * Analysing radiation effects characterisation and modelling aspects in electronic components, and the related implications on accelerator RHA guidelines, including both experimental and simulation activities.

Your profile

* Experience in the field of radiation-matter interaction physics and radiation level measurements. * Familiarity with radiation effects on electronics, including modelling and testing aspects. * Experience with data analysis software tools for applied physics (e.g., Python, SQL). * Experience with Monte Carlo codes would be an advantage.

Skills

* Knowledge of Radiation measurement and monitoring techniques. * Familiarity with Experimental data interpretation and validation methods. * Basic Data processing and analysis skills (e.g. Python). * Ability to write technical documentation and reports. * Problem-solving mindset and ability to efficiently learn new tools. * Excellent team-working attitude, with colleagues from different backgrounds and fields. * Good communication skills, both written and oral. * Spoken and written English, with a commitment to learn French.

Eligibility criteria:

* You are a national of a [CERN Member or Associate Member State](https://home.cern/about/member-states). * You have a professional background in Applied Physics, Electronics Engineering (or a related field) and have either: * a Master's degree with 2 to 6 years of post-graduation professional experience; * or a PhD with no more than 3 years of post-graduation professional experience.

* You have never had a CERN fellow or graduate contract before.

Job closing date: 19.07.2026 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Fully Onsite

Target start date: 01-September-2026

This position involves:

* Work in Radiation Areas. * Interventions in underground installations. * Stand-by duty, when required by the needs of the Organization. * Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Job reference: SY-STI-BMP-2026-120-GRAP

Field of work: Applied Physics

Benchmark job: 200140 - Applied Physicist

Global Benefits

* A monthly stipend between 6372-7004 Swiss Francs per month (tax free) depending on your degree. * 30 days of paid leave per year plus 2 weeks annual closure. * Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund. * Family, child and infant monthly allowances depending on your individual circumstances. * A relocation package (installation grant and travel expenses) depending on your individual circumstances. * Possibility to extend your contract up to 36 months. * On-the-job and formal training including language classes.

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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.

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Application timeline

This vacancy was first listed on 7 July 2026, 15 days ago.

No closing date is published in the source feed for this position. EU vacancies typically remain open for four to eight weeks; check the official vacancy notice for the cut-off date and time.

Last verified against the EU Careers feed on 17 July 2026 (5 days ago).

Where to learn more

For headcount, mission, and other open vacancies at CERN see the CERN institution page; for the cost of living, correction coefficient, and other postings in Geneva see our Geneva location page; for related vacancies in the Research field browse our Research domain page.

New to EU careers? Our beginner's guide walks through entry routes, EPSO competitions, and what to prepare. For application logistics see application tips and EPSO competitions.