HV Substation Technician: Maintenance & Commissioning

Endeavour Energy; Sydney; On-site; AUD 90,000 - 130,000; Full time

Job summary

Ausconnex seeks an experienced Substation Technician to support high voltage substation assets across transmission and distribution networks in Australia. You will plan and execute maintenance, support outages, and collaborate with asset management to ensure reliable operation.

The role involves using SCADA/HMI interfaces for remote switching, developing maintenance plans, and contributing to commissioning and project activities within a multidisciplinary team.

Qualifications

• Electrical trade qualification is required.
• Experience working on HV substations 11kV–330kV.
• Knowledge of primary plant equipment and maintenance practices.
• Experience with fault-finding and inspections.
• Familiarity with industry standards and NSP processes.

Responsibilities

• Plan and execute maintenance activities in HV substations and BESS assets.
• Support maintenance programs and major outages.
• Collaborate with asset management to define outage scopes and schedules.
• Utilise SCADA/HMI to support remote switching operations.
• Develop maintenance strategies aligned with OEM requirements.
• Investigate faults and diagnose issues on primary equipment.
• Assist commissioning and maintenance across substations and renewable assets.
• Prepare technical reports and document maintenance, commissioning and project activities.

Skills

SCADA systems

Stakeholder engagement

Problem solving

Team collaboration

Leadership

Education

Electrical trade qualification

Tools

HMI interfaces

Job description

Ausconnex seeks an experienced Substation Technician to support high voltage substation assets across transmission and distribution networks in Australia. You will plan and execute maintenance, support outages, and collaborate with asset management to ensure reliable operation.

The role involves using SCADA/HMI interfaces for remote switching, developing maintenance plans, and contributing to commissioning and project activities within a multidisciplinary team.