Our client is a global leader in the engineering and construction of large-scale industrial and energy infrastructure projects. With extensive experience in complex projects, their expansion focuses on developing critical facilities for future technological advancements. We are seeking talented individuals to join our team in building data centers in Zaragoza, a key infrastructure for next-generation digital services. **JOB DESCRIPTION** We are looking for an experienced Electrical Supervisor with leadership skills to oversee the execution of electrical installations in a project involving advanced technological infrastructure construction. The Electrical Supervisor will be directly responsible for managing the team of electricians on site, organizing tasks, and ensuring that work is carried out according to design drawings, electrical regulations, quality specifications, and safety standards. This role is essential for daily electrical progress on site and requires a candidate with strong practical experience and leadership capabilities. **RESPONSIBILITIES** * Supervise and coordinate daily activities of assigned on-site personnel (journeyman electricians, assistants) during the execution of electrical installations. * Interpret electrical drawings, single-line diagrams, and technical specifications to ensure proper installation of wiring, electrical panels, cable trays, lighting fixtures, grounding systems, etc. * Organize work assignments, distribute tasks, and monitor the productivity of electrical labor. * Ensure strict compliance with the Low Voltage Electrical Regulations (REBT) and other applicable electrical codes, as well as health and safety regulations. * Monitor the quality of received electrical materials and completed work, identifying potential deviations and reporting them. * Manage the efficient use of tools, measuring equipment, and machinery assigned to their area. * Assist in resolving minor technical issues arising on site. * Report work progress, material requirements, and incidents to the site manager or Electrical Manager (if applicable). * Maintain order and cleanliness in their work area. * Higher vocational training in Electrical Installations, Electrical Maintenance, or equivalent. * An authorized installer license is desirable. * Minimum of 5 years’ experience as an Electrical Supervisor or in a similar role within construction projects, preferably in large industrial, commercial, or complex infrastructure facilities (Data Centers, substations). * Solid practical knowledge in assembly, installation, and commissioning of low and medium voltage electrical systems, electrical panels, grounding systems, structured cabling, and lighting. * Demonstrated ability to lead teams, organize work, and solve problems on site. * Strong focus on electrical safety and quality execution. * Good communication and teamwork skills.