About Us

WA Limestone is a leading, privately owned quarrying and contracting company in Western Australia, with over 50 years of successful operation. As one of Perth's top suppliers of raw construction materials, we have established ourselves as an industry leader in supplying of limestone products, as well as in quarrying, mining, marine construction, and the manufacturing and delivery of premix concrete. Our team of over 350 dedicated employees and contractors works across metro Perth and regional WA to deliver high-quality solutions to the construction, mining, and civil sectors.

The WA Limestone Group comprises WA Limestone, WA Bluemetal, WA Premix, and the Limestone Building Block Company. We pride ourselves on safety, sustainability, and maintaining strong client relationships. With a family-oriented approach, an approachable management team, a dynamic workforce, and a strong company culture, we offer the job security of a large company while ensuring every employee feels valued.

About the Role

WA Limestone is looking for an experienced Heavy Mobile Plant Mechanic with leadership potential to take charge of our metro workshop operations at Bibra Lake. You'll oversee the day-to-day operations of our metropolitan workshop, ensuring maintenance activities are completed safely, efficiently, and to a high standard.

This is an opportunity to move beyond the tools, put your experience to work, build a capable maintenance team, and take ownership of workshop performance within an established Western Australian business.

Key Responsibilities

The workshop covers a broad range of activities, including mobile equipment maintenance, sandblasting and painting, heavy fabrication and repairs, and component overhauls.

Your key responsibilities will include:

- Leading daily workshop operations and coordinating maintenance activities.

- Promoting a strong safety culture and leading by example.





- Facilitating daily and monthly team meetings to maintain alignment and accountability.

- Allocating labour and prioritising resources across breakdowns and planned maintenance.

- Reviewing machine inspections and developing repair scopes and budget estimates.

- Providing technical guidance and coaching to maintenance personnel to ensure quality repairs are delivered on time and within budget.

- Reviewing, processing, and following up on parts requisitions to support proactive maintenance and minimise downtime.

- Developing your team's capabilities and supporting the training of the next generation of Heavy Diesel Mechanics.

About you

You're a trade-qualified Heavy Mobile Plant Mechanic who knows what it takes to keep equipment operating and a workshop running efficiently.You may already be a Workshop Supervisor, or you could be an experienced Leading Hand ready to take the next step.

To be successful, you’ll have:

- A recognised trade qualification as a Heavy Mobile Plant Mechanic.

- Experience maintaining and repairing a broad range of mobile equipment.

- Previous experience as a Leading Hand, Supervisor, or in a similar leadership capacity.

- Solid organisational skills and the ability to prioritise competing maintenance demands.

- A proactive approach to planning, problem-solving, and getting the job done right.

- The ability to lead, motivate, and develop a team while maintaining high standards of workmanship.

- A strong commitment to safety, quality, and accountability.





- A genuine interest in sharing knowledge and developing the next generation of tradespeople.

- A current Australian driver's licence; an HR licence would be an advantage.

- Applicants must have valid Australian work rights that meet the requirements of this position.

What’s in it for you?

- $200K package – A competitive remuneration package that recognises your experience and leadership capability.

- 5/2 roster – Enjoy a Monday-to-Friday working arrangement and be home every night, 1x Saturday morning rostered on per month.

- Company-supplied vehicle – A modern company vehicle provided.

- Real leadership responsibility – Take ownership of day-to-day workshop operations and lead your team.

- Make your mark – Help drive maintenance standards, improve workshop performance, and build a strong team culture.

- Long-term career security – Join an established, privately owned WA business with more than 50 years of successful operation.

- Supportive management – Work with an approachable management team that values initiative, accountability, and practical experience.

- Variety and challenge – Oversee a diverse range of mobile plant maintenance, repairs, fabrication, and component overhauls.

Ready to take the next step in your career?

If you're an experienced mechanic or Leading Hand looking for greater responsibility, a strong remuneration package, and a role where you can make a real impact, we'd like to hear from you.

Hit Quick Apply or send your resume to ••••@walimestone.com

To help us progress your application, please include:

- Your employment history and mobile plant experience.

- A copy of your trade certificate.

- Two professional references, either written or contactable.

Shortlisted candidates will be required to successfully complete a pre-employment medical assessment and drug and alcohol screening.

Direct applicants only. No recruitment agencies, please.

📌 WORKSHOP SUPERVISOR – MOBILE PLANT (Bibra Lake)
🏢 WA Limestone
📍 Bibra Lake