Applied Physicist on ATLAS Detector Safety System (EP-ADO-SO-2024-85-GRAE)

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Graduate / traineeship

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Job Description

Your responsibilities

You will be responsible for the maintenance and operations of the Detector Safety System.
Your main tasks will include:

  • Maintenance and operations of the Detector Safety System (DSS) common to all the LHC experiments.
  • Development of the simulation of the ATLAS infrastructure with an Expert System tool, including statistical interpretation of failures.
  • Installation and commissioning of new sensors and interlocks, in particular for the integration of Inner Tracker Detector (ITK) system.
  • Follow-up regular interventions involving the safety of the detector and safety systems including smoke, gas, oxygen deficiency and water leak.
  • Preparation of DSS upgrades planned for the Long Shutdown 3 including the review of safety procedures of the different ATLAS sub-systems.

Your profile

Skills and/or knowledge

  • Risk assessment
  • Knowledge of safety systems
  • Ability to remain calm under pressure
  • Attention to detail
  • Software development
  • Fluent in English, the ability to work in French would be an advantage.

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 Applied Physics (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
  • You have never had a CERN fellow or graduate contract before.
  • Applicants without University degree are not eligible.
  • Applicants with a PhD are not eligible.

Additional Information

Job closing date: 20.06.2024 at 12:00 AM (midnight) CET.

Job reference: EP-ADO-SO-2024-85-GRAE

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

Target start date: 01-October-2024

This position requires:

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

What we offer

  • A monthly stipend ranging between 5134 and 5647 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. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Find out more on


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 our success.

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Posted on


Graduate / traineeship

Reference Number



Geneva, GENEVA, CH

Genève , Switzerland