Site Administrator

Macmahon

Posted on:  4th Jun 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.

Macmahon has more than 30 years’ experience as a leading underground mining contractor.  With an ongoing commitment to continuous improvement, our underground mining team applies a strong safety culture to all aspects of operations.

Our site-based teams are the backbone of our operations. You’ll support crews on the ground, keep our sites running smoothly and be part of a team that values capability, reliability and genuine teamwork. 

About the Role

Provide Administrative support to our Project Team, working closely with leaders and crews to enable safe, efficient and compliant delivery. 

Responsibilities (not limited to the following)

  • Provide administrative support to site management and staff, including roster management, leave management, travel and accommodation coordination
  • Maintain accurate records and contribute to continuous improvement
  • General data entry
  • Raise requisitions and receipt purchase orders as required
  • Reporting

What You’ll Bring 

  • Previous experience in a Site Administrator role (preferably at an underground mine)
  • Advance in the use of Microsoft Office
  • Experience using SuccessFactors (Ideal)
  • Strong attention to detail and service mindset
  • Clear communication and ability to work with different teams
  • Commitment to safety, respect and doing things the right way
  • Current Manual Australian Drivers Licence (Essential)

Role Details 

  • Location: Goldfields region, WA
  • Roster: 14:14 (all Days)
  • DIDO from Kalgoorlie area
  • FIFO from Perth
  • 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? 

  • Be part of a team that looks out for each other. Work with skilled, down-to-earth people
  • Learn on the job and broaden your skills across stable opportunities on quality projects

If this sounds like you, apply now. 

United | Courage | Integrity | Pride 

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