Mechatronics Technician for Optical Link, Geneva, Switzerland (EP-ESE-BE-2026-104-GRAE)

What you will do

You will take part in the fabrication and assembly of a wide range of electronic and opto-electronic test systems used to evaluate component performance.

Using various machines in our mechanical workshop (CNC routers, milling machines, lathes, drill presses, etc.), you will manufacture parts to support the activities of the ESE group.

You will also contribute to building wiring harnesses that connect devices to test systems, including for use in demanding environments such as radiation test facilities. In addition, you will assist in assembling and testing large-scale setups.

Your responsibilities

• Use machine tools to create mechanical parts for test setups.
• Assemble wiring and fibre harnesses.
• Solder electronic components onto PCBs.
• Design simple PCBs after receiving training if necessary.
• Carry out testing of cabling harnesses and assembled electronic circuits using a range of laboratory instruments.

Your profile

• Hands-on experience in mechanical parts manufacturing.
• Basic understanding of compact CNC machines.
• Familiarity with electronic board assembly, cable and wiring fabrication.
• Performed assembly, wiring, and testing of electromechanical assemblies.
• Your studies focused on Technician in Mechatronic / Mec / Elect (or a related field) and your highest educational qualification is a general secondary education diploma.

Your skills

• Ability to operate conventional machine tools.
• Capable of building, wiring and testing Electromechanical assemblies.
• Working in teams: effective collaboration within multi-disciplinary teams.
• Spoken and written English, with a commitment to learn French.

Ideal start date: 01/09/2026
Contract duration: 24 month contract
Job flexibility: Fully Onsite

Employment conditions

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

Be sure to meet the eligibility criteria

• You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani and Lithuanian nationals for positions with a 2026 start date, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
• 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)
• A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
• Any document you consider relevant to your application

Your CERN Department

The EP department conducts research in experimental particle physics in close collaboration with and supporting the wider scientific community working at CERN. This includes designing and operating experiments, developing and constructing detectors, acquiring and analysing physics data.

Ready to apply?

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How to apply?

See the vacancy here and apply online:

https://careers.cern/jobs/ep-ese-be-2026-104-grae/

Apply before 05.05.2026. at 23:59 (Geneva Time)



Overview of CERN

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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!

More vacancies in Cern on https://careers.cern/

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