Mechanical Technician for the CMS ECAL Detector at LHC (EP-CMS-LD-2026-138-LD) — CERN
CHF 60'500 - 91'500
CERN · Geneva, GENEVA, Switzerland (GE)
- Location
- Geneva
- Contract
- full-time
- Posted
- 11 days ago
SalaryCHF 60'500 - 91'500
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 Mechanical Technician you will contribute to the upgrade project of the electromagnetic calorimeter (ECAL) of the CMS detector at LHC covering a large panel of activities and responsibilities, from mechanical works, handling and assembly of detector parts, logistic activities.
- You will work in close collaboration with all ECAL collaborators and CMS technical team. Functions:
- Higher Technical Diploma or equivalent relevant experience in the field of Mechanics, Mechatronic or a related field.
Main responsibilities
- As Mechanical Technician you will contribute to the upgrade project of the electromagnetic calorimeter (ECAL) of the CMS detector at LHC covering a large panel of activities and responsibilities, from mechanical works, handling and assembly of detector parts, logistic activities.
- You will work in close collaboration with all ECAL collaborators and CMS technical team. Functions:
- Provide mechanical support for all the ECAL activities.
- Ensure the safe handling of very fragile ECAL detector Supermodules during extraction, insertion and refurbishment .
- Coordinate the logistics of materials and equipment required for ECAL detector refurbishment activities.
- Serve as the technical contact person between CMS experiment site and ECAL refurbishment team.
- Provide technical support for detector maintenance activities, including cooling systems, mechatronic equipment, and instrumentation set-ups.
- Knowledge of cooling operation and maintenance, experience in logistic coordination. Experience:
- Reading 2D/3D designs, manufacturing mechanical parts accordingly.
- Design, construction, assembly of mechanical components.
Key requirements
- Higher Technical Diploma or equivalent relevant experience in the field of Mechanics, Mechatronic or a related field.
Application process
- We welcome applications from all Member States and Associate Member States .
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 21.07.2026 at 23:59 CEST. Employment Conditions:
- Contract type: Limited duration contract (5 years).
- 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:
- Work in Radiation Areas.
- Interventions in underground installations. A valid driving licence.
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.
- 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-LD-2026-138-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.
- 30 days of paid leave per year plus 2 weeks annual closure.
Additional details
- You will work in close collaboration with all ECAL collaborators and CMS technical team.
- Knowledge of cooling operation and maintenance, experience in logistic coordination.
- Knowledge of applying safety regulations and procedures. Technical competencies:
- Operation of handling system. 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 21.07.2026 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-LD-2026-138-LD Field of work: Mechanical Engineering Benchmark Job Title: Mechanical Technician
Notes and original content
- Introduction:
- Experience:
- Knowledge of applying safety regulations and procedures.
- Technical competencies:
- Operation of handling system.
- 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 21.07.2026 at 23:59 CEST.
