Work with a team of the best.
At Thiess, we don’t just offer jobs — we offer diverse, rewarding careers. With a global footprint and a proud history of innovation and excellence, we’re committed to building a workplace where great people can thrive. Join our high-performing Heavy Crew at Mt Arthur South and be part of a team that sets the standard in the mining industry.

About the Role

As our next Boilermaker, reporting to the Heavy Crew Supervisor, you’ll join a team known for quality, safety, and results. This is a permanent full-time position on a Monday to Friday, day shift only roster, based at our Mt Arthur South Project, just 5km from Muswellbrook in the NSW Hunter Valley.

This role offers stability, work-life balance, and the chance to be part of a supportive and professional team maintaining some of the largest and most advanced equipment in the industry.

What You'll Do

• Deliver high-quality repairs and maintenance across our Liebherr Excavator and Caterpillar Drill fleets.
• Execute all work safely and efficiently in line with Thiess policies and procedures.
• Access and interpret technical data using OEM manuals, bulletins, and computer-based systems.
• Take pride in your workspace by maintaining high housekeeping standards.
• Conduct pre-start checks, personal risk assessments, and team-based safety processes.
• Look after personal and workshop tooling with care and report any defects or hazards.

What We're Looking For

• Trade Certificate in Engineering Fabrication or equivalent.
• Experience in the mining, earthmoving, or hydraulic excavator industry is essential.
• HR Driver’s Licence – preferred.
• EWP, Dogging, MDG25 – desirable but not essential.
• A team player with a strong commitment to safety, quality, and continuous improvement.

Why Thiess?

• Permanent, Monday to Friday roster – enjoy your weekends and evenings.
• Be part of a high-calibre crew maintaining industry-leading fleets.
• Work in a culture where your development is supported, your contributions are recognised, and your safety and wellbeing come first.
• Join a company that’s committed to diversity, inclusion, and fostering a workplace where everyone matters always.

About Us

Thiess partners with clients across Australia and the globe to deliver excellence in open-cut and underground mining. With over 80 years of experience across diverse commodities and environments, we bring deep insight and real value to every project.

We’re proud to be creating a workplace where people can grow and succeed. Our team is empowered, supported, and encouraged to bring their best every day.

Ready to Make Your Move?

There’s never been a better time to join Thiess. Click the ‘Apply’ button or visit thiess.com to learn more about how you can make your mark.