EXPERIENCED ARBORIST

Ideal start date: 01/11/2026 Contract duration (in months): 60 Grade range: 3 Benchmark job: 300040 - Electrical Technician Job flexibility: Fully Onsite What you'll do: Within the CERN Engineering department (EN), the Electrical Engineering (EL) group is responsible for managing CERN's electrical distribution network, ranging from 400 kV to 400/230 V, which includes its operation, maintenance, renovation, control as well as forecasting energy consumption and handling relations with suppliers. Additionally, the group oversees the cabling infrastructure, managing everything from the installation and removal of control, water-cooled, and fiber optic cables to the maintenance of their supporting structures. You will join the Maintenance and Operation (EN-EL-MO) section, responsible for the operation and maintenance of CERN's electrical network, the commissioning of new installations, and the execution of small-scale electrical works. As an experienced industrial electrical technician in the EN-EL-MO section, you will be responsible for operating and maintaining part of CERN's high- and low-voltage electrical network. Apply your expertise to support the operation, maintenance, consolidation and development of CERN's electrical transmission and distribution systems, the backbone of one of the world's largest and most powerful particle colliders. Join the CERN electrical engineering team. Take part! Your responsibilities: - Operate the high- and low-voltage network (lockouts, switching electrical equipment on and off, network reconfiguration). - Perform troubleshooting and repairs, document interventions, and lead or contribute to the preparation of technical reports. - Carry out regular inspections to ensure the reliability and safety of the electrical network. - Act as the contact person for users connected to the electrical network within the assigned area. - Supervise preventive and corrective maintenance activities, as well as electrical works. - Contribute to electrical projects executed by the Group: participate in project meetings, assist in the definition of technical solutions, prepare and execute tests and commissioning activities, and perform acceptance tests on high- and low-voltage installations. - Maintain accurate records of maintenance and operational activities, including work performed, issues encountered, and corrective actions taken. Your profile: - Good knowledge of high- and low-voltage electrical distribution systems and associated equipment. - Proven experience in the operation and maintenance of electrical installations, including troubleshooting, fault diagnosis, repairs, and commissioning activities. - Demonstrated ability to work autonomously while coordinating activities with users, contractors, and technical specialists in a multidisciplinary environment. - Experience using a Computerised Maintenance Management System (CMMS) for recording maintenance and operational activities. - Experience in reading, updating, and managing electrical drawings, technical documentation, and as-built records. - Technical certificate or general secondary education or equivalent relevant experience in the field of Electrical Engineering or a related field. Your skills: - Operation and maintenance of electrical circuits and networks. - Construction, test and commissioning of electrical circuits and networks. - Knowledge of Computerised Maintenance Management System (CMMS). - Drives work / projects along and sees them through to their conclusion. - Takes responsibility for own actions and decisions. - Demonstrates a willingness to accept changing circumstances; supports initiatives for change. - Builds and maintains constructive and effective work relationships. - Spoken and written English, with a commitment to learn French. Employment conditions: - A valid driving licence. - Work in Radiation Areas. - Interventions in underground installations. - Participation in a regular stand-by duty, including nights, Sundays and official holidays. - Work during nights, Sundays and official holidays, when required by the needs of the Organization. Medical hazard: 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. For more information about the position, please visit: https://careers.cern/jobs/en-el-mo-2026-164-ld/

Required Skills: Datacenter / Hardware / Cable Management / Troubleshooting / Root Cause Analysis Description: Required Qualifications: High school diploma, GED, or equivalent, and basic knowledge of computer hardware and components. Preferred Qualifications: High school diploma, GED, or equivalent and basic knowledge of computer hardware and components AND 1+ year(s) of experience supporting IT equipment or related technology. Service Delivery: Prepares, stages, sets up, and performs basic startups and shutdowns for hardware (e.g., racks, hard drives, switches) according to specifically written instructions provided via checklists, guides, standard protocols, emails, guidance from other technicians, and/or direction from management; escalates resolution of challenging or complex tasks to others as needed to meet Service Level Agreements (SLAs) and may perform tasks in tandem with other technicians to comply with procedures and safety protocols. Performs basic diagnostics and troubleshooting with guidance from experienced technicians and by following standard procedures to identify the cause(s) of issues and replace faulty components with minimal customer and business disruption; escalates troubleshooting complex issues appropriately. Follows procedures to communicate, report, and escalate incidents to appropriate Microsoft data center operations management units and Technician Leads. Decommissions hardware for simple changes and refreshes (e.g., memory upgrades, OS rebuilds) following standard procedures seeks clarification and guidance from more experienced technicians as needed; escalates complex decommissioning work and discrepancies in projects or tickets to senior or lead technicians when appropriate; processes data-bearing devices for destruction or confirms any data contained have been eradicated. Managing Services: Contributes to issue tracking through escalations by asking questions and seeking guidance on timely resolution of issues from more experienced technicians. Develop an understanding of cross-functional processes to support partnerships with internal and external stakeholders. Completes required training aligned to the role and workload; observes more experienced technicians to gain hands-on experience and relevant on-the-job training (OJT); may complete additional training to obtain or maintain relevant role certifications. Data Center Work Environment: Participates in daily safety briefings, completes required safety training, complies with safety procedures (e.g., equipment use, lifting, electrical hazards, ladder/rolling stair use), completes required Task Hazard Analysis (THAs), and uses appropriate tools and Personal Protective Equipment (PPE) for assigned tasks; adheres to and promotes a culture of safety, takes action and alerts others to safety concerns and/or incidents; participates in Get Out And Look (GOAL) safety observations. Complies with security and data management procedures and policies with guidance from other technicians, and completes required security training; may escort third-party vendors or IT support on-premises at data centers or network sites; appropriately takes action and alerts others to security concerns and/or incidents. Contributes to a positive and effective team environment by sharing information with others, contributing to regular team meetings, asking questions and staying apprised of the status of others' work, and partnering with other technicians to complete and/or hand off tickets as needed; responds to feedback received on ways to work more effectively within their team and adopts best practices shared within and across technician teams.