Job Description Introduction: 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! Functions: As a technician, you will take part in the operation, maintenance, construction and modification works of cooling and ventilation systems that are essential for the operation of CERN scientific facilities. You will: 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.