Title: BESS Service Supervisor Department: Service Availability to work and live in Taltal (Antofagasta Region) during at least 6 months. and relocate to Copiapó after that period. Main Responsibilities: Lead and supervise the day-to-day tasks of the field team, ensuring that planned activities are carried out according to schedule, HSE and technical standards.Supervise functional tests, electrical verification, BMS/inverters configuration and communication validations (Modbus, CAN, TCP/IP)Ensure proper execution of preventive and corrective maintenance task for energy storage system components (batteries, PCS, FSS, SCADA, etc.)Assist in diagnosing complex faults and facilitate on-site resolution, with technical input from engineering of factory support when required– Act as the direct communication link with the Field Service Manager and provide the required feedback when needed.Prepare and maintain technical documentation such as commissioning reports, intervention logs and activity summaries to ensure transparency and traceability of field tasks.Participate in planning meetings, technical reviews and quality assurance processes, providing field insight and supporting informed decision making.Assist in organizing team schedules, monitoring attendance, identifying training needs and providing feedback to support continuous development.Promote a strong safety culture by ensuring compliance with internal HSE policies and regulatory requirements relating to electrical work, LOTO Procedures, etc.Foster a collaborative and safety conscious working environment in line with project objectives and company values. Requirements: Technician or engineer in the areas of Electricity, Electronics, Electromechanics or related field.At least 5 years of relevant site maintenance experience, with at least 2 years management or supervisory roles.Demonstrated experience in the commissioning of industrial electrical systems, BESS, substations or renewable systems. Solid knowledge of BESS technology including Li-ion batteries, inverters, BMS, Scada systems is a plus.Ability to read electrical schematics, apply test protocols and use diagnostic tools.Experience with measurement instruments. Knowledge on maintenance software(CMMS) and reporting platforms is a plus.Ability to solve problems in the field and take decisions under high pressure environments.Driving License (type B for Chilean light vehicles, or higher).Ability to have a professional conversation with English speakers in the field (Level B2 of English or higher); Having a certification on English proficiency is a plus.