Material Engineer (Vacuum for Gravitational Wave Telescopes) (TE-VSC-2024-91-GRAP)

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Job Description

CERN will manufacture and exploit a pilot sector for testing the laser-beam pipe and pumping system of the Einstein Telescope (ET), the future European gravitational wave telescope. As a material engineer, you will participate in the installation, commissioning, and operation of such equipment with a team of engineers and technicians. You will participate in the surface cleanliness characterisation, outgassing rate measurements and the evaluation of the vibrational transfer function from the ground to the optical baffles of the vacuum chamber; in addition, you will perform alignment and optical measurements in collaboration with CERN and ET collaboration experts. You will also contribute to the coordination of the ET pilot sector installation and commissioning, and present the status report and obtained results in dedicated conferences and workshops. In addition, you will ensure field supervision of visitors and project associates participating in the measurement campaigns.

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Who we are looking for

Skills and/or knowledge

  • Proven experience in ultrahigh vacuum measurement;
  • Proven experience in residual gas analysis by quadrupole mass analysers;
  • Proven experience in simulation of outgassing phenomena and pressure profiles in ultrahigh vacuum systems;
  • Knowledge of gravitational wave telescope engineering is an asset;
  • 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.
  • You have a professional background in Material or Mechanical 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.

Additional Information

Job closing date: 29 May 2024 at 23h59 CEST.

Job reference: TE-VSC-2024-91-GRAP

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.
  • Residence in the immediate vicinity of the Organization's installations.
  • A valid driving licence.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organization.

What we offer

  • A monthly stipend ranging between 6212 and 6828 Swiss Francs per month (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

We are on a Quest. A Journey into discovery like no other. Bring your expertise to our unique work and develop your knowledge and skills at pace. Join world-class subject matter experts on unique projects, in a Quest for greater knowledge and deeper understanding.

Begin your CERN Quest. Take Part!


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


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Geneva, GENEVA, CH

Genève , Switzerland