Mechanical Supervisor

ACCIONA; Western Australia; On-site; AUD 120,000 - 180,000; Full time

Job summary

ACCIONA is seeking a Maintenance Manager to lead the on-site mechanical maintenance function at the Alkimos seawater desalination project in Perth. You will guide and support a team of Mechanical Fitters and contractors, ensuring safe, reliable and efficient maintenance practices across pumps, valves and rotating equipment.

Reporting to the Maintenance Manager, you will drive root cause analysis, implement continuous improvements, enforce safety standards, and collaborate with Operations,

Qualifications

• Mechanical trade qualification (fitter and turner) required.
• Current Australian manual licence and Construction White Card.
• Experience supervising trades/contractors under Permit to Work.
• Hands-on fault finding on pumps, valves and rotating equipment.
• Desalination or water treatment plant experience preferred.

Responsibilities

• Lead and supervise Mechanical Fitters on daily maintenance work.
• Deliver preventative, predictive and corrective maintenance to approved schedules.
• Respond to breakdowns and restore plant assets safely and quickly.
• Supervise mechanical contractors and verify their quality and compliance.
• Enforce safety and environmental requirements, including field risk assessments.
• Drive root cause analysis, reliability improvements and procedure updates.
• Occasional ad hoc out of hours support.

Skills

Mechanical fitter

Australian manual licence

White Card

Permit to Work

Fault finding

Pumps & rotating equipment

Desalination experience

Job description

ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing to our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges, including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

Project Information

ACCIONA leads the Alkimos Seawater Desalination Plant in Perth, delivered with Water Corporation and Jacobs through the Alkimos SeaWater Alliance. Stage 1 will produce 150 million litres of drinking water a day, with delivery targeted for 2028. ACCIONA will also operate and maintain the plant for ten years, helping secure Perth's water supply as rainfall declines and demand grows.

About the Opportunity

Reporting directly to the Maintenance Manager, you will play a key role in leading the site's mechanical maintenance function. You will guide and support a team of Mechanical Fitters and contractors, ensuring the safe and efficient execution of preventative, predictive, corrective, and breakdown maintenance activities. As a visible leader on site, you will work closely with Operations, Planning, Stores, and Electrical teams to maximise plant availability and reliability. By applying structured root cause analysis and continuous improvement principles, you will help drive equipment performance, improve maintenance practices, and reduce downtime. This is a hands-on leadership opportunity where your expertise will have a direct impact on operational success.

Key accountabilities for the position will be:

• Lead and supervise Mechanical Fitters on daily maintenance work
• Deliver preventative, predictive and corrective maintenance to approved schedules
• Respond to breakdowns and restore plant assets safely and quickly
• Supervise mechanical contractors and verify their quality and compliance
• Enforce safety and environmental requirements, including field risk assessments
• Drive root cause analysis, reliability improvements and procedure updates
• Occasional ad hoc out of hours support

Required skills and experience:

• Mechanical trade qualification, such as fitter and turner
• Current Australian manual licence and Construction White Card
• Proven trades and contractor supervision under Permit to Work
• Hands-on fault-finding on pumps, valves and rotating equipment
• Preferred: desalination or water treatment plant experience

At ACCIONA, we offer a dynamic and challenging work environment where our employees can grow and develop their careers. We provide opportunities for professional development, and our team members are encouraged to bring new ideas and approaches to their work. Our company is dedicated to fostering a culture of inclusiveness and respect where every employee feels valued and supported.