Mechanical Technician for CMS Detector Upgrades (EP-CMS-IC-2026-97-LD) — CERN
- Location
- Genève
- Contract
- full-time
- Posted
- Yesterday
Role overview
Introduction: of CERN
Discover a world where the impossible is made possible!
- Introduction: of CERN
- Discover a world where the impossible is made possible!
- As a mechanical technician, you will contribute to upgrade projects of the CMS detector, covering a broad range of responsibilities.
- These include workshop-based mechanical work, installation of detector systems, and the design and use of tooling for the removal and installation of CMS sub-detectors, as well as radioprotection duties in experimental areas and associated laboratories.
- Higher technical diploma or equivalent relevant experience in the field of Mechanics or Manufacturing Methods or a related field.
Main responsibilities
- As a mechanical technician, you will contribute to upgrade projects of the CMS detector, covering a broad range of responsibilities.
- These include workshop-based mechanical work, installation of detector systems, and the design and use of tooling for the removal and installation of CMS sub-detectors, as well as radioprotection duties in experimental areas and associated laboratories.
- You will also take on coordination and operational responsibilities within the CMS Technical Coordination team, working closely with sub-detector groups and CMS technical support teams. Functions:
- Take responsibility for activities related to safety and radioprotection for subdetector removal and installation, working with CMS safety officers and subdetector teams, operating in radioprotection-classified areas, and applying safety rules.
- Manage a mechanical workshop, advising and assisting CMS subdetector teams, ensuring the availability and proper use of equipment and tools, and supplying consumables.
- Provide technical support and hands-on assistance to CMS subdetector project teams operating within the CMS laboratories at CERN, in the fields of mechanical manufacturing, assembly, structures, and welding.
- Take part in the development, testing, on-site installation, and on-detector operation of custom tooling for subdetectors, working with subdetector technical teams.
- Operate and maintain hydraulic, mechanical, and electromechanical systems.
- Organise and supervise the storage of subdetector equipment in CMS-reserved spaces at CERN, ensuring proper inventory and space management.
- Assist the territorial safety officer of the building where the mechanical workshop is located, supervising work requested on infrastructure for general safety, and using a mobile crane and forklift when needed.
Key requirements
- Higher technical diploma or equivalent relevant experience in the field of Mechanics or Manufacturing Methods or a related field.
Application process
- Knowledge and application of manufacturing methods and work preparation.
- Assembly of mechanical structures and equipment.
- Manufacturing of mechanical parts.
- Integration of mechanical systems.
- Team management.
- Knowledge of regulatory framework and best practice in radiation protection. Behavioural competencies:
- Achieving Results: defining clear objectives, milestones and deliverables before initiating work/ project.
- Communicating Effectively: ensuring that information, procedures and decisions are appropriately documented.
Company and context
- 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.
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
- Shift work, when required by the needs of the Organization.
- Exposure to lead.
- Radiation worker, category A.
- Exposure to risk of falling from heights during scaffolding assembly and dismantling operations.
- Exposure to electromagnetic fields under certain exposure conditions.
- Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed. Job grade: 3-4 Job reference: EP-CMS-IC-2026-97-LD Field of work: Mechanical Engineering Benchmark Job Title: Mechanical Technician Global Benefits
- A competitive salary (tax free), increasing in line with your years of relevant experience.
Additional details
- You will also take on coordination and operational responsibilities within the CMS Technical Coordination team, working closely with sub-detector groups and CMS technical support teams.
- Trainings/certificates considered a plus: welding certificate, radioprotection formal training, hydraulic certificate.
- Proficiency with the operation and maintenance of hydraulic, mechanical, and electromechanical systems is considered a plus. Technical competencies:
- Knowledge of regulatory framework and best practice in radiation protection. Behavioural competencies:
- Working in Teams: building and maintaining constructive and effective work relationships.
- Spoken and written English, with a commitment to learn French. Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 01.09.2026 at 23:59 CEST. Employment Conditions:
- Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position. Working Hours: 40 hours per week Job Flexibility: Fully Onsite This position involves:
- Interventions in underground installations. A valid driving licence.
- Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed. Job reference: EP-CMS-IC-2026-97-LD Field of work: Mechanical Engineering Benchmark Job Title: Mechanical Technician
Notes and original content
- Introduction:
- Experience:
- Proficiency with the operation and maintenance of hydraulic, mechanical, and electromechanical systems is considered a plus.
- Technical competencies:
- Knowledge of regulatory framework and best practice in radiation protection.
- Behavioural competencies:
- Language skills:
- Spoken and written English, with a commitment to learn French.
- Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 01.09.2026 at 23:59 CEST.
Questions about this listing
What salary does CERN offer for this role?
CERN lists CHF 60'500 - 91'500 gross per year for this position in Genève. This is the salary published in the original listing (or, when the employer omits a figure, a realistic estimate for the role and sector) — the calculator on this site converts it to your actual net take-home once cross-border tax and social contributions are applied.
Is this a full-time role, and what type of contract does CERN offer?
This listing is a full-time position. The contract type shown here comes directly from the employer's original posting; always confirm exact hours, notice period and probation length with CERN during the application process, since these details can vary by role even within the same contract category.
Do I need a cross-border work permit for a role in Geneva?
EU/EFTA residents living in the border zone of the country adjoining Canton Geneva can apply for a G permit; the Swiss employer files it with that canton's migration office after the contract is signed. Border-zone rules and processing times vary by neighbouring country and canton, so confirm the specifics with Geneva's cantonal migration office or with HR during the application.
How do I apply for this position at CERN?
Use the "Apply now" button on this page — it links directly to CERN's original listing at jobs.smartrecruiters.com, so your application goes straight to the employer's own applicant-tracking system. Frontaliere Ticino does not collect or forward applications itself.