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

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.

Skills:

• Ability to read and interpret mechanical drawings and Electronic schematics.
• 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.

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 Technician in Mechatronic / Mec / Elect (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 Bachelor's, Master's or PhD degree are not eligible.

Job closing date: 05.05.2026 at 23:59 CEST.

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

Job flexibility: Fully Onsite

Target start date: 01-September-2026

This position involves:

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

Job reference: EP-ESE-BE-2026-104-GRAE

Field of work: Electrical or Electronics Engineering

Benchmark job: 300050 - Electromechanical Technician

Global Benefits

• 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.

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