Heavy Equipment Mechanics – Arizona

About the opportunity

Thiess has been entrusted with maintaining a fleet of EX5600 excavators along with our client's heavy equipment in Arizona. This exciting project is a chance to showcase our expertise, develop a strong maintenance operation, and create pathways for future growth.

There’s potential for expansion to a full-site maintenance program for the client’s broader fleet, offering a rare opportunity to establish a world-class operation and shape its future success.

We’re calling for Heavy Diesel Fitters with a focus on excavator and heavy-equipment maintenance to join us and help deliver operational excellence.

This role’s expected duration is 2-3 years, with opportunity to continue at other Thiess sites in North America.

Why join the Thiess team?

• Global Expertise: Join a team with decades of international experience in delivering world-class mining services
• Collaborative Strength: Work with leading talent from our Australian operations while partnering with skilled local teams in the U.S
• Career Development: Enhance your career with cross-border collaboration, exposure to leadership opportunities, and skill development
• Exciting Growth Potential: Be part of a growing venture with opportunities to scale into a full-site maintenance program offering long-term stability and progression

Who we’re looking for

We’re looking for Maintenance professionals who are passionate about heavy-equipment maintenance, bringing technical expertise, leadership, and a dedication to safety.

Skill requirements:

• • 6+ years' experience delivering high quality repair work on a wide range of mining makes and models
  • Experience working in an open cut mining environment 
  • Experience working shift work (Days and Nights) up to 14 days straight
  • Be resilient and flexible, embracing a startup mentality 
  • Problem solving skills, must be proactive and innovative. Lead with an optimistic mindset
  • Safety focused, leads by a standard that or higher of the company's expectations 
  • Natural leadership qualities and the ability to work with different cultures
• Preferred, but not required:
  • Experience travelling and engaging with international cultures
  • Supervisor experience or experience running a team
• Must Haves:
  • Ability to obtain and maintain a satisfactory National Police Clearance. Please note that visa eligibility may be dependent upon the outcome of such checks
  • Fit for duty to work in hot and cold environments, and at elevation between 900-1400 metres
  • Must have a trade certificate as a mechanic or electrician

What you’ll do

• You will be required to carry out heavy equipment maintenance on a wide range of equipment across Thiess' US operations
• Tasks include general maintenance, servicing, technical diagnostics, major component changeout and overhaul
  • Fleet is primarily Caterpillar, Hitachi and Komatsu. Others include Liebherr trucks and Cummins engines
• You will also be training and mentoring other staff, sharing Australian standards and incorporating them into US standards

What we offer

• Competitive remuneration packages
• Relocation opportunities (for eligible candidates)
• Career growth with one of the world’s most trusted mining services providers
• The chance to build a lasting impact on a flagship Thiess project in the US

How to express interest

This is a chance to help lead the way in Thiess’ Arizona operations and deliver high-performance outcomes.

Submit your Expression of Interest by:

• Clicking Apply Now below
• Or emailing your resume to narecruiting@thiess.com

Please include the job title Heavy Duty Mechanic in the subject line of your email.

EOI Deadline: Wednesday 31 December 2025

Join us in delivering exceptional maintenance standards and making your mark in this exciting new opportunity. Together, we’ll shape the future of Thiess operations in Arizona.

Be part of the team making it happen!

Apply now