GIS Substation Maintenance Supervisor (SF6)

About the role

The GIS Substation Maintenance Supervisor leads the maintenance of high‑voltage gas‑insulated substations (GIS), ensuring safe, efficient and high‑quality execution in line with industry best practices and Siemens Energy standards.

Key responsibilities

• Perform scheduled preventive and corrective maintenance on GIS and AIS switchgear, including circuit breakers and disconnectors.
• Enforce electrical safety regulations and safe SF6 gas handling, promoting a Zero Harm culture.
• Coordinate field technicians and subcontractors, assign tasks, monitor performance and verify quality of work.
• Conduct basic fault diagnosis on GIS equipment, analyse simple failures and define corrective actions.
• Prepare detailed technical reports on maintenance activities, findings, issues and improvement recommendations.

Required profile

• Technical degree in Electrical Maintenance, Electromechanics or a related field.
• Journeyman Electrician or equivalent national certification.
• Extensive experience in maintenance and repair of industrial or high‑voltage electrical systems.
• Ability to work with limited supervision and solve non‑routine technical problems.
• Availability to travel for extended periods and intermediate‑advanced English proficiency.

Required skills

• GIS and AIS switchgear maintenance
• SF6 gas handling and management
• Fault diagnosis on GIS equipment
• Electrical safety compliance
• Test equipment operation
• Switchgear and circuit breaker knowledge
• Wiring diagram interpretation