Electron Beam Welding Technician (EN-MME-FW-2024-77-GRAE)

Closing Date
WorkplaceGeneva, Lake Geneva region, Switzerland

Job Description

Your responsibilities

The Engineering Department ( ) pushes forward the limits of technology to provide innovative research tools to the physics and engineering worldwide community. The position is opened in the Mechanical and Materials Engineering ( MME ) Group, which owns, maintains and develops the 40 years old know-how on the mechanical design, manufacturing and assembly of accelerator and detector devices.

As an Electron Beam Welding Technician in the Forming & Welding section (FW), you will join a team of highly qualified technicians and engineers in Electron Beam and Laser welding processes. After an initial period of familiarisation and with the supervision of colleagues, you will:

  • Personally perform welding operations on different state-of-the art Electron Beam Welding equipment, for the fabrication of highly technical prototypes and components of accelerators and related experimental facilities;
  • Optimise the welding parameters to meet stringent specifications related to UHV and RF applications;
  • Design jigs and fixtures for welding activities, in collaboration with the design office;
  • Participate in multidisciplinary projects, maintain close co-operation with the other Engineering facilities CERN-wide;
  • Prepare technical reports (WPS’s, assembly procedures, etc.) and presentations when required.

On the longer term, you are invited to learn additional technologies such as laser beam welding and additive manufacturing to contribute to the team’s flexibility.

Your profile

Skills and/or knowledge

  • Knowledge/experience in Electron Beam Welding or Laser Beam Welding technologies;
  • Knowledge/experience in mechanics and use of CAD / CAM software, including ISO G-code;
  • Ability to read/interpret technical drawings and ISO tolerancing (dimensional and geometrical product specification standards) and the ability of drafting technical drawings;
  • Organised and self-motivated, and able to carry out tasks autonomously when required.

Beneficial skills/knowledge:

  • Knowledge of welding metallurgy;
  • Experience of high-precision mechanical engineering;
  • Understanding of main international standards related to beam welding;
  • Eagerness to learn about unconventional manufacturing processes and their application to particle physics;
  • 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 Mechanical and/or Materials Engineering (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 Bachelors, Masters, or PhD degree are not eligible.

Additional Information

Job closing date: 30.06.2024 at 23:59 CEST.

Job reference: EN-MME-FW-2024-77-GRAE

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

Target start date: 01-September-2023

What we offer

  • A monthly stipend of 4569 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 http://home.cern.


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.
In your application, please refer to myScience.ch and reference JobID 64503.

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