Mechanical Technician - ISOLDE

Switzerland flag Geneva, Switzerland SY-BI-ML-2026-7-GRAE Ideal start date: 01/04/2026
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Before 10/02/2026 at 23:59 (Geneva Time)

What you'll do

In this position, you will maintain the ISOLDE facility beam instrumentation, assemble new spare instruments, manage the spare parts stock, procure spare part components, and manage the manufacturing drawings and 3D model database.

Your responsibilities

  • Perform assembly work with high attention to the quality of the product.
  • Able to operate conventional machine tools.
  • Document of all steps of the production.

Still here? Let's make a quick check about

Your profile

  • Up to 2 years experience in performing mechanical assembly and machining (conventional or CNC).
  • Experience with producing and reading mechanical drawings and understanding mechanical drawings for assembly.
  • Experience with product life cycles, quality management and production follow-up.
  • Your studies focused on Mechanical.

Your skills

  • Knowledge of 2D drawings relevant standards for dimensioning and tolerances, e.g. ISO Geometrical Product Specifications, GPS.
  • Experience with Catia V5 preferable and PLM; any other CAD software could also be valid.
  • Working in teams: effective collaboration within multi-disciplinary teams.
  • Spoken and written English or French, with a commitment to learn the basics of the other language.
Ideal start date: 01/04/2026
Contract duration: 24 month contract
Job flexibility: Hybrid

Medical hazard

  • Exposure to ionizing radiation and classified as category A.
Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.

Employment conditions

  • A valid driving licence.
  • Work in Radiation Areas.
  • Interventions in underground installations.

Global Benefits at CERN

  • A monthly stipend of 4687 Swiss Francs per month (tax free).
  • 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.

Let's get you ready

Be sure to meet the eligibility criteria

  • You are a national of a CERN Member State or Associate Member State.
  • By the application deadline, you have a maximum of 2 years of professional experience since graduation in a technical or administrative field and your highest educational qualification is a general secondary education diploma or a shorter non-university degree. You can’t hold a bachelor’s degree, master’s degree or PhD.
  • You have never had a CERN fellow or graduate contract before.
  • Please pay attention to the additional criteria and requirements for this specific position and mentioned above.

You will need these documents to complete your application

  • Your CV (English or French)
  • Any document you consider relevant to your application
  • A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)

Your CERNDepartment

The SY department oversees the science and technology related to accelerator technical systems, including beam instrumentation, beam transfer, power converters, particles generation and their interaction with matter, and radio frequency systems. It is responsible for the operation, maintenance, and development of new hardware and software for CERN’s accelerator complex.

Overview of CERN

Discover a world where the impossible is made possible!


At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.


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.


If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!


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