Site Administrator

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.
 
Surface Mining Australia, Macmahon's largest operating company, delivers high-quality open-cut mining solutions across Australia, driven by operational excellence, strong safety performance, and deep industry expertise. Our people are the backbone of our capability, enabling us to partner closely with clients to sustainably deliver value every day.
 
Our Site Administrators play a key role in 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
With a commencement date of November 2026 and reporting to the Project Manager, this role is responsible for providing administrative support to the Wonawinta Project. You will oversee site office administration and work closely with leaders and crews to enable safe, efficient and compliant delivery of project activities.
 
 
Responsibilities

• Coordinate workforce mobilisations and onboarding activities, ensuring all personnel meet site entry requirements.
• Coordinate daily data entry across production, safety and relevant databases, ensuring accuracy and timeliness of month-end reporting.
• Manage employee rosters and workforce scheduling to support operational requirements.
• Arrange travel and accommodation bookings for site-based employees and visitors.
• Process timesheets and maintain accurate workforce records to support payroll and reporting requirements.

 
 
Role Details

• Location: Wonawinta, NSW
• Roster: 5:2
• Competitive benefits package including:
  • Paid Parental Leave for primary carers.
  • Retail discounts (including homewares, outdoor gear, fuel and groceries).
  • Novated leases.
  • Comprehensive wellbeing program.

 
What You’ll Bring

• Experience in administration within mining & resources.
• 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.

 
 
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