Supervisor - Maintenance

Macmahon

Posted on:  23rd Jul 2026

Together. Works.

At Macmahon, you’ll find something different. We’re a successful mining and civil contractor that’s going places – and we want to take you with us. When you join Macmahon, you’re not just getting a job – you’re joining a quality team that’s built together, and built to last.  

Our leaders set the tone. You’ll shape the culture, guide performance and create an environment where people are supported, safe and able to do their best work.  

About the Role  

Lead the Maintenance crew to safely deliver plan, performance and quality across Greenbushes. Work closely with operations, maintenance and HSEQT to drive standards and support your people.  

Responsibilities  

  • Lead daily performance: safety, plan compliance, cost and quality  
  • Set clear expectations: guide, develop and recognise your team 
  • Own schedules, resources and interfaces with contractors/suppliers 
  • Drive reliability and continuous improvement  
  • Foster a speak-up culture where everyone is respected  

What You’ll Bring 

  • Leadership experience in mining 
  • Ability to build trust, set standards and make clear decisions  
  • Strong planning, problem-solving and stakeholder skills 
  • Commitment to safe, high-quality delivery 
  • S26 Qualification 

Role Details 

  • Location:  Greenbushes
  • Roster: 8/7, 7/7 
  • Competitive benefits package including:  
    • Paid Parental Leave for primary carers   
    • Retail discounts (including homewares, outdoor gear, fuel and groceries)  
    • Novated leases  
    • Comprehensive wellbeing program 

Why Macmahon?  

  • An organisation that does things the right way, with strong backing from experienced leaders and support teams  
  • We develop our people to be our future 
  • Opportunity to shape performance and culture  

Ready to lead a team that delivers? Apply now.  

United | Courage | Integrity | Pride  

Get this job