Senior Electrical Engineer (High Voltage)

SOUTH32 Limited; Shire Of Collie; On-site; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Additional annual leave (up to 4 weeks

Parental leave

Short-term incentive bonus

Travel, healthcare, and technology/ret

Job summary

South32 Group Operations Pty. Ltd. is seeking a Senior Electrical Engineer (High Voltage) to lead maintenance and technical assurance for HV/LV power systems at the Worsley Alumina Refinery in Western Australia.

The role focuses on improving asset availability, lifecycle management, and safe, compliant operations. You will guide a team, troubleshoot complex electrical issues, and ensure maintenance strategies align with the Asset Care Plan while supporting continuous improvement in a heavy

Qualifications

• Significant experience in Maintenance / Reliability engineering within mining, power generation, or heavy industry.
• Experience maintaining and troubleshooting HV assets and equipment.
• Ability to supervise and mentor a team.
• Desirable Certificate in Asset Management or Reliability Centred maintenance.

Responsibilities

• Lead maintenance strategies for HV assets and lifecycle management.
• Provide technical support for troubleshooting electrical issues and failures.
• Ensure compliance with electrical codes and standards.
• Drive asset availability improvements and risk mitigation.

Skills

Maintenance & Reliability

HV assets experience

Team leadership

Education

Electrical Engineering degree

Tools

Turbo generators

Power transformers

HV switchgears

VFDs & soft starters

Protection relays

Job description

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Senior Electrical Engineer (High Voltage)

Company: South32 Group Operations Pty. Ltd.

DISCOVER A BRIGHTER FUTURE

At South32, we’re meeting the challenge of enabling a sustainable future through our focus on responsibly producing commodities critical for a low-carbon world. As a collaborative, caring and inclusive company, there’s no better place to make a genuine difference. Together we’re making a positive, global impact that has the potential to change lives. Whatever career path you choose, we’ll support you every step of the way to learn, grow and succeed. Sojoin us, step towards a brighter future and leave your legacy.

ABOUT WORSLEY

Are you looking to be home every night? If so, this is your opportunity to live, work and play a short drive from stunning coastlines, scenic trails, magnificent jarrah forests and the food and wine heartland of the South-West and Peel Regions of Western Australia

Our integratedBauxite Mine, Alumina Refinery and Port Operationis creating the essential products needed for a sustainable low carbon future and is on a journey to becomethe world’s leading Alumina producer where our 1500+ workforcevalue the lifestyle thatWorsley Aluminahas to offer.

WHAT SOUTH32 OFFERS

• Ability to purchase up to 4 weeks of additional annual leave
• 26 weeks full-paid, or 52 weeks half-paid parental leave for primary carers.
• Annual short-term incentive bonus that recognises both your individual performance and the overall success of the business.
• Discounted rates on travel, healthcare, and technology product s.

ABOUT THE ROLE

This role is a Permanent position on 4-day, 10-hour weekly roster. Based atour Worsley Alumina Refinery, it’s a short drive from Collie (15 minutes), Bunbury (45 minutes) and other nearby scenic communities.

As the Senior Electrical Engineer (High Voltage), you will be responsible for providing leadership and technical assurance to Refinery asset management and maintenance. This role will be responsible for driving improvements in asset availability and manage asset lifecycle of HV and LV electrical power systems.

Other key responsibilities include, but aren’t limited to:

• Build effective equipment maintenance tactics & associated documentation to align with Asset Care Plan & Electrical system optimisation
• Provide technical support for troubleshooting electrical issues, analysing failures, and developing effective solutions
• Ensure compliance to relevant electrical codes, standards, and regulation
• Champion a safety focussed culture, conducting risk -assessments and following proper change management procedures

ABOUT YOU

You will have experience and demonstrate capability in the following:

• Significant experience in Maintenance / Reliability engineering within mining, power generation, or heavy industry focusing on HV assets.
• Experience in maintenance and troubleshooting of turbo generators, power transformers, transmission lines, HV and LV switchgears, VVFDs/soft starters, Protection relays, switchyards, battery chargers and UPS
• Experience in developing and continuous improvement of maintenance strategies for HV assets like Generators, Switchyards, protection relays and HV breakers
• Demonstrated ability to supervise, lead, or mentor a team

Qualifications for this position are:

• Tertiary Qualification in Electrical Engineering
• Certificate in Asset Management and/or Reliability Centred maintenance (Desirable)

Relocation may be considered for the successful candidate.

South32 is committed to building and maintaining an inclusive and diverse workforce that reflects the communities in which we operate. We provide a recruitment process that is fair, equitable and accessible for all and we encourage candidates from all backgrounds to apply.

The job advert will close on Friday 23 October 2026