Technician for Refrigeration Systems

Publiceringsdatum: 2026-02-20

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Jobbannons

The Engineering Department (EN) pushes forward the limits of technology so that physicists can carry out their research. Within the cooling and ventilation (CV) group of the EN department, you will join the LHC Section, which is in charge of the operation and maintenance of the cooling and ventilation systems of CERN's accelerator complex and experimental areas. The activity includes the work site supervision for installation work and commissioning of new systems, upgrade of existing systems and consolidation of old systems.

Are you a qualified technician, specialised in industrial cooling, ventilation & refrigeration systems? Contribute your skill and experience to the operation and maintenance of complex cooling plants in a unique environment hosting some of the world's most complex technical installations. Join CERN's Cooling and Ventilation operation team. Take part!

Your responsibilities

Plan (by using the CMMS system), coordinate, supervise, check and perform preventive and corrective maintenance activities on cooling and ventilation systems.

Perform operation activities to ensure appropriate running of the cooling, ventilation & refrigeration systems.

Interact regularly with clients for all matters related to equipment under your responsibility.

Propose and define the most appropriate solution to meet user needs in case of modification or renovation works.

Technically coordinate contractors' maintenance and installation work in compliance with contractual clauses and technical standards.

Contribute to projects from the design phase until test and commissioning of new cooling and ventilation systems.

Ensure that the technical documentation is kept up-to-date and compliant with the quality standards.

Ensure the respect of safety rules for all interventions.

Participate to the stand-by service.

Follow up and regularly report on activities progress issues, schedule and costs.

Your profile

Demonstrated experience in maintenance, operation, and installation work on ventilation systems.

Strong experience in maintenance, operation, and installation work on cooling and refrigeration industrial systems.

Experience in the technical coordination of external contractors.

Experience in the use of CMMS tools.

Experience in low-voltage electrical systems.

Initial experience in compressed air systems.

Higher technical diploma or equivalent relevant experience in the field of Refrigeration or a related field.

Your skills

Operation and maintenance of HVAC plants and networks.

Operation and maintenance of cooling water systems: and networks.

Design, construction, operation and maintenance of detector cooling systems.

Operation and maintenance of electrical circuits and networks.

Organisation, planning and control: including supervision of work.

Takes appropriate corrective actions and adapts work / project plans if necessary.

Gives praise and provides honest and constructive feedback.

Is willing to work on different projects simultaneously.

Finds the information needed to solve problems; makes objective judgments based on all the facts available.

Cooperates constructively with others in the pursuit of team goals; balances personal goals with team goals.

Spoken and written English or French, with a commitment to learn the other language.

Medical hazard

Shift work.

Exposure to ionising radiation and classified as category A.

Exposure to electromagnetic fields under certain exposure conditions.

Exposure to risk of falling from heights during scaffolding assembly and dismantling operations.

Exposure to asbestos.

Exposure to lead.

Employment conditions

A valid driving licence.

Participation in a regular stand-by duty, including nights, Sundays and official holidays.

Shift work, and work during nights, Sundays and official holidays, when required by the needs of the Organisation.

Work in Radiation Areas.

Interventions in underground installations.