Electrical and Automation Technician

Big Science Sweden; Genf; Hybrid; CHF 80,000 - 100,000; Full time

Job summary

Big Science Sweden is seeking a professional in Switzerland for the maintenance and operation of safety systems and emergency communication systems. Responsibilities include technical management of fire detection systems, troubleshooting PLC-based control systems, and ensuring reliable alarm transmission. Ideal candidates will have experience with system upgrades and technical documentation. This position plays a critical role in ensuring safety systems function effectively in collaboration with various stakeholders.

Qualifications

• Experience in operating and maintaining fire detection and emergency communication systems.
• Skills in troubleshooting PLC-based control systems and SCADA systems.
• Ability to prepare detailed technical documentation such as electrical drawings.

Responsibilities

• Operate and maintain fire detection and emergency communications systems.
• Troubleshoot alarm transmission issues and maintain control systems.
• Supervise industrial support contractors and manage project budgets.

Job description

Be responsible for the maintenance and operation of safety systems and emergency communications systems.

Contribute with your skills to upgrade and improve existing systems, ensuring they operate reliably and effectively.

Functions

• Take technical responsibility for the operation and maintenance of fire detection systems, of emergency communications systems and of the infrastructures supporting both hardwired and software‑based safety alarm transmissions;
• Contribute to the consolidation of fire detection, emergency communications systems and alarm transmission systems;
• Troubleshoot and resolve issues related to alarm transmission: testing, operating, and maintaining PLC‑based control systems and associated SCADA systems;
• Integrate new fire detection and alarm requests from users by preparing detailed work documentation (e.g., electrical drawings), monitoring the progress of the teams on site, and commissioning in collaboration with other CERN services;
• Maintain technical documentation of the alarms and cable networks up to date using the CERN dedicated databases;
• Supervise technically the work of industrial support contractors, ensuring high‑quality outcomes;
• Manage planning and budget for the activities under your responsibility;
• Liaise with coordination teams, safety officers, the Fire Brigade, and Control Room operators to organise fieldwork, interventions, and testing activities.