Senior Electrical Supervisor – Water Plant Operations

acciona; Hong Kong; On-site; HKD 420,000 - 700,000; Full time

Job summary

ACCIONA is seeking a skilled Electrical Maintenance Supervisor to oversee HV/LV power systems, substations, transformers, switchgear, and distribution networks in our Hong Kong operations. You will lead a team of technicians and contractors, troubleshoot faults, and drive preventive and corrective maintenance to ensure reliability and safety.

The role requires a Higher Diploma in Electrical Engineering, at least 8 years in power systems with 2 years in supervision, and a Grade B Electrical

Qualifications

• Higher Diploma or above in Electrical Engineering or related field.
• Minimum 8 years in power systems/utilities with at least 2 years in supervision.
• Holder of Grade B Certificate of Registration of Electrical Worker; Grade H or above preferred.
• Experience in water treatment plants, utilities, critical installations is preferred.
• Confined Space Worker Certificate preferred.
• Strong leadership, communication and problem-solving skills.
• Good command of written and spoken Chinese and basic English.
• Willingness to on-call, overtime, and adverse weather conditions when required.

Responsibilities

• Supervise operation, inspection, preventive maintenance, and corrective maintenance of HV/LV power systems, including substations, transformers, switchgear, variable speed drives, and electrical distribution networks.
• Lead a team of technicians and contractors in troubleshooting electrical faults, diagnosing system issues, and implementing effective repair solutions to ensure system reliability and minimize downtime.
• Plan, oversee and monitor the installation, testing, commissioning, and optimization of electrical equipment and systems, ensuring compliance with EMSD Code of Practice (CoP), statutory requirements, and company standards.
• Review technical reports, maintenance records, and performance data, and provide recommendations for system improvements and asset optimization.
• Coordinate power system studies, network upgrades, and enhancement projects, including load flow analysis, fault analysis, and infrastructure improvement works.
• Supervise routine and emergency maintenance activities for pumps, HVAC systems, backup generators, and other utility systems to ensure safe and efficient operation.
• Monitor contractors' performance and ensure all works are completed in accordance with safety, quality, and environmental requirements.
• Enforce safety procedures and permit-to-work systems, including confined space works, lockout/tagout (LOTO), and risk assessments.
• Participate in emergency response and recovery activities during equipment failures and adverse weather conditions, including Typhoon Signal No. 8 or above, when required.
• Assist management in manpower planning, work scheduling, budgeting, and training and development of maintenance staff.

Skills

Electrical maintenance

Team leadership

Troubleshooting

Regulatory compliance

Bilingual Chinese/English

Education

Higher Diploma in Electrical Engineering

Grade B Certificate of Registration of Electrical Worker

Tools

Confined Space Worker Certificate

Job description

ACCIONA is seeking a skilled Electrical Maintenance Supervisor to oversee HV/LV power systems, substations, transformers, switchgear, and distribution networks in our Hong Kong operations. You will lead a team of technicians and contractors, troubleshoot faults, and drive preventive and corrective maintenance to ensure reliability and safety.

The role requires a Higher Diploma in Electrical Engineering, at least 8 years in power systems with 2 years in supervision, and a Grade B Electrical