Overview
The Radiation Protection (RP) Group of the Occupational Health and Safety and Environmental Protection (HSE) Unit ensures that personnel on CERN sites and the public are protected from ionising radiation linked to CERN activities. The duties of CERN's Radiation Protection Group include the assessment of radiation hazards from operating accelerators and experiments, the definition of protective measures as well as the legally required monitoring of the exposure of radiation workers and the public to ionising radiation.
Your responsibilities
You would join the HSE-RP-AS (Accelerators & Sites) section who is in charge of all radiation protection aspects related to the design and operation of accelerators and experimental areas at CERN. This role would primarily be based at the Prevessin site and includes the four Large Experiments at the Large Hadron Collider (LHC), namely ATLAS, CMS, LHCb and ALICE.
Your operational responsibilities will include:
* Support the team activities by performing radiation survey measurements.
* Take part in the ALARA preparation and follow-up of activities in Radiation Areas.
* Conduct measurements and radiation protection follow-up in preparation and during the Long-Shutdown 3.
Your profile
Skills:
* Comprehensive use of Radiation Protection instruments;
* Knowledge in radiation hazards and ALARA approach;
* Communicating effectively and efficiently;
* Working in teams;
* Demonstrating flexibility and adaptability;
* Spoken and written English or French, with a commitment to learn the other language.
Eligibility criteria:
* You are a national of a CERN Member or Associate Member State.
* By the application deadline, you have a maximum of two years of professional experience since graduation in Radiation Protection (or a related field) and your highest educational qualification is a general secondary education diploma.
* You have never had a CERN fellow or graduate contract before.
* Applicants with a Bachelor's, Master's or PhD degree are not eligible.
Additional Information
Job closing date: 26.10.2025 at 23:59 CEST.
Contract duration: 24 months, with a possible extension up to 36 months maximum.
Working hours: 40 hours per week
Target start date: 01-April-2026
This position involves:
* Work in Radiation Areas.
* Interventions in underground installations.
* A valid driving licence.
* Exposure to electromagnetic fields under certain exposure conditions.
Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.
Job reference: HSE-RP-AS-2025-175-GRAE
Field of work: Health, Safety and Environment
What we offer
* A monthly stipend of 4624 Swiss Francs(net of tax).
* Coverage by CERN's comprehensive health scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
* Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
* 30 days of paid leave per year.
* On-the-job and formal training at CERN as well as in-house language courses for English and/or French.
About us
At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Find out more about CERN.
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