Técnico; supervisor; para montaje y mantenimiento de subestaciones encapsuladas en Gas SF

The GIS Substation Maintenance Supervisor is responsible for supervising and coordinating maintenance activities on high-voltage gas‑insulated substations (GIS), ensuring safe, efficient, and high‑quality execution in line with Siemens Energy standards and industry best practices. This role requires a solid understanding of the overall operation of high‑voltage substations, a strong commitment to electrical safety, and mandatory adherence to safety procedures and Zero Harm principles.

The supervisor oversees preventive and corrective maintenance of GIS equipment—including circuit breakers, disconnectors, and auxiliary systems—while ensuring adherence to OEM procedures and technical guidelines. The role also includes safe handling, monitoring, and management of SF6 gas in compliance with environmental and safety regulations, support basic fault diagnosis and troubleshooting activities, and lead and coordinate field service teams and subcontractors. The supervisor prepares technical reports, analyzes simple failures, and proposes corrective actions, leveraging experience to support continuous improvement and reliable operation of GIS substations.

• Perform scheduled preventive and corrective maintenance on high‑voltage equipment, including Gas‑Insulated (GIS) and Air‑Insulated (AIS) switch gear.
• Ensure strict implementation of electrical safety regulations and safe handling practices for SF6 gas, promoting a Zero Harm culture on site.
• Coordinate and manage field technicians and subcontractors, assigning tasks, monitoring performance, and verifying quality of execution.
• Perform and support basic fault diagnosis on GIS equipment, analyzing simple failures and defining corrective actions based on operational experience.
• Prepare and deliver detailed technical reports on maintenance activities, including findings, identified issues, and recommendations for improvement.

• Technical degree in Electrical Maintenance, Electromechanics, or a related field with Journeyman Electrician or equivalent national certification.
• Extensive work experience in the maintenance and repair of industrial or high‑voltage electrical systems.
• Demonstrated experience working under limited supervision and analyzing non‑routine technical problems.
• Experience in troubleshooting, preventive maintenance, test equipment, and mechanical aptitude.
• Experience in Electrical Systems & Components such as Switchgear, circuit breakers, wiring diagrams, and SF6 gas safe and proper management.
• Availability to travel for extended periods.
• Intermediate‑Advanced English proficiency.

You will be part of a highly skilled and safety‑driven field service team dedicated to maintaining and enhancing the reliability of high‑voltage GIS substations. The team works collaboratively to execute preventive and corrective maintenance activities, troubleshoot technical issues, and deliver high‑quality service in accordance with Siemens Energy standards and industry best practices. With a strong focus on operational excellence, electrical safety, and Zero Harm principles, the team fosters a culture of continuous improvement, knowledge sharing, and customer‑centric execution while supporting critical energy infrastructure projects.

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