Maintenance Supervisor (Substation) - M&L

ACEREZ; Mudgee; On-site; AUD 120,000 - 160,000; Full time

Benefits offered by this job

Relocation support

Company vehicle

Monday to Friday rosters

Great team environment

Job summary

ACEREZ, a consortium appointed to design, deliver, operate and maintain the CWO REZ transmission network in NSW, is seeking a Maintenance Supervisor. You will lead substations at Merotherie and Elong Elong, oversee HV primary plant and secondary systems, manage switching and fault response, and ensure safe, right-first-time delivery of the maintenance program.

The role emphasises on-site leadership, adherence to EHS standards and collaboration with HV electricians, Protection & Control

Qualifications

• HV substation knowledge (330 kV/500 kV) and protection systems.
• Ability to lead field crews and contractors with safety compliance.
• Valid NSW driver’s licence for mobility across sites.

Responsibilities

• Oversee maintenance for HV & EHV equipment at designated hubs.
• Coordinate switching, access control and fault response on site.
• Coach and supervise on-site crew including apprentices and technicians.
• Prioritise EHS standards in all maintenance activities and operations.
• Support commissioning and handover of new assets and maintenance processes.

Skills

HV substation leadership

Crew leadership

Safety & EHS

Driver’s Licence (NSW)

Regulatory compliance

Education

Certificate III in ESI or equivalent

Diploma or Bachelor's in Electrical Engineering

Job description

Introduction: ACEREZ is a consortium, comprised of ACCIONA, COBRA and Endeavour Energy which has been appointed Preferred Network Operator by EnergyCo to design, deliver, operate and maintain the transmission line network for the Central-West Orana Renewable Energy Zone (CWO REZ). The new state-of-art transmission infrastructure, which will combine high-capacity transmission lines, digitally enabled energy hubs and related infrastructure, will enable generators such as solar and wind farms and energy storage providers in the CWO REZ to connect to the electricity grid, providing a reliable supply of clean, affordable electricity for households and businesses across NSW while helping to meet the state’s newly legislated Net Zero targets. Description:

THE OPPORTUNITY

As a Maintenance Supervisor your role will be to lead and coordinate the substation maintenance teams activities at the Merotherie and Elong Elong Energy Hubs and the eight H2P switching stations, covering both HV primary plant and Protection, Control and Metering secondary systems. This role plays a critical part in leading the crew on site, holding switching and access authority, and ensuring the safe, compliant and right-first-time delivery of the substation work program, including first response to faults.

Key Responsibilities

• oversee the execution of maintenance for Power Transformers, Shunt Reactors, Instrument Transformers, High Voltage Circuit Breakers, Earthing Switches, Surge Arresters and Synchronous Condensors
• support early-stage project delivery during construction and commissioning phases, including the validation of interface designs, development of testing procedures, and coordination of primary system readiness prior to energisation
• supervise, coach and support the substation crew - HV Electricians, Protection & Control Technicians and apprentices - promoting best practice, technical development and field verification of competency
• ensure all maintenance activities prioritise Environmental, Health & Safety (EHS) standards, placing people and asset integrity at the core of all decisions.
• support commissioning and operational handover of new assets, including contributing to the development of maintenance processes and procedures.

Skills & Qualifications

• Certificate III in ESI or equivalent trade. Preference will be given to candidates holding a Diploma or Bachelor's degree in Electrical Engineering, supported by relevant field experience.
• Practical knowledge of HV (330 kV) and EHV (500 kV) substation primary plant and of secondary systems — protection relays, SCADA/RTU, control, automation and metering
• Demonstrated ability to lead field teams and contractors, ensuring compliance with EHS procedures, test plans, and regulatory standards.
• Valid NSW Driver’s Licence, required for mobility across field locations.
• Experience with HV substation maintenance in a transmission or utility environment, with demonstrated crew leadership and switching authority.

What We Can Offer

• a chance to be a future leader within a new operating company
• relocation support
• Monday to Friday rosters
• a great team environment
• use of company vehicle
• brand new state of the art digital HV infrastructure, tools and equipment

Why Join Us?

We are committed to fostering an inclusive environment where all voices are heard and valued. We welcome applicants of all backgrounds, identities, and experiences. Our goal is to build a diverse team that reflects the communities we serve and drives innovation through varied perspectives. We encourage candidates from underrepresented groups to apply and look forward to creating a supportive workplace together.