Mechanical Technician Thin Film Coatings (TE-VSC-SCC-2026-115-GRAE)

As part of the Vacuum, surfaces and coatings group of the Technology Department, you will join the teams applying thin carbon coatings in the beam line of the Large Hadron Collider (LHC) during the next Long Shutdown. After an initial on-the-field training, you will take part in the mechanical assembly, commissioning and operation of the vacuum coating systems.

Your responsibilities

• Design mechanical parts with CAD software for the coating systems.
• Manufacture mechanical components on conventional (milling, turning) and CNC (milling) machines.
• Perform mechanical assembly of ultra-high vacuum coating systems.
• Operate the coating systems to deposit carbon thin films in the LHC beam lines.
• Propose upgrades and perform maintenance of the systems.
• Write the suitable technical documentation.
• Work in a multi-cultural team of engineers and technicians..

More information here.

Your profile

• Proficiency in design of mechanical parts with CAD software.
• Practical experience in using conventional milling and turning machines.
• Experience in reading mechanical drawings.
• Practical experience in operation of vacuum system and/or coating system would be an asset.
• Experience in operating CNC machines would be an asset.

Skills

• Mechanical machining (conventional, CNC).
• Mechanical assembly.
• Mechanical design with CATIA, or equivalent CAD software.
• Operation of vacuum systems.
• Writing of reports.
• Spoken and written English or French, with a commitment to learn the other language.

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 Mechanics Manufacturing (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: 18.05.2026 at 23:59 CEST.

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

Working hours: 40 hours per week

Job flexibility: Fully Onsite

Target start date: 01-July-2026

This position involves:

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

Job reference: TE-VSC-SCC-2026-115-GRAE

Field of work: Mechanical Engineering

Benchmark job: 300090 - Mechanical 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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