Mechanical Technician for CMS
European Organization for Nuclear Research
- Location:
- Geneva, Switzerland
- Grade:
- IC
- Category:
- General Staff
Posted Sep 18, 2026Apply by Dec 10, 2026 (49d left)
See your match score & applyWe are recruiting two early-career graduates for Mechanical Technician positions within the CMS experiment. The roles involve hands-on mechanical work supporting the refurbishment of the electromagnetic calorimeter and mechanical activities for the CMS detector and its infrastructure.
Responsibilities
- Participate in the extraction and insertion of the ECAL supermodules, including the preparation, installation, and removal of the required tooling.
- Carry out mechanical operations during the refurbishment of the supermodules, including the replacement of cooling fittings.
- Support the installation of ECAL services and electronics and assist with related logistics.
- Participate in mechanical work for the upgrade, maintenance, and repair of the CMS detector and its associated infrastructure.
- Manufacture mechanical parts and contribute to on-site assembly, installation, alignment, and repair activities.
- Support the development of tooling and the preparation or modification of technical drawings using drafting software such as CATIA.
- Participate in heavy-lifting and movement operations using equipment such as strand jacks, air pads, and hydraulic jacks, and support regular checks and maintenance of this equipment.
Requirements
- You are a national of a CERN Member State or Associate Member State.
- By the application deadline, you have a maximum of 2 years of professional experience since graduation in a technical or administrative field.
- Your highest educational qualification is a general secondary education diploma or a shorter non-university degree.
- You cannot hold a bachelor’s degree, master’s degree or PhD.
- You have never had a CERN fellow or graduate contract before.
- Initial hands-on experience in the construction and assembly of mechanical components and structures.
- Experience in mechanical equipment or detector assembly, including cooling connections, pressure testing, or leak detection.
- Experience using machine tools and hand tools for mechanical manufacturing activities.
- Experience with mechanical systems and the handling of large, heavy, or fragile equipment.
- Experience with drafting software, such as CATIA.
- Your studies focused on Mechanics or related.
- Knowledge of manufacturing techniques for mechanical parts.
- Experience in the assembly and integration of mechanical structures, equipment, and systems.
- Knowledge of the operation and maintenance of cooling-water systems.
- Experience in the safe operation of mechanical handling systems and the application of safety procedures related to heavy machinery and mechanical operations.
- Problem-solving skills and attention to detail.
- Ability to work both independently and collaboratively within a multidisciplinary team.
- Clear communication skills and the ability to follow technical instructions accurately.
- Spoken and written English or French, with a commitment to learn the other language
- A valid driving licence.
Skills
- Mechanical Systems Assembly
- Mechanical equipment handling
- Maintenance of cooling systems
- Pressure Testing
- Leak Detection
- Machine tool operation
- Hand Tool Operation
- Mechanical Manufacturing
- CATIA drafting software
- Mechanical structure integration
- Manufacturing Techniques Development
- Mechanical handling systems
- Safety procedures for heavy machinery
- Technical Problem Solving
- Technical instruction compliance
- Multidisciplinary Team Collaboration
- English Communication Skills
- French Communication
- Driving License
Languages
English, French