Site Administrator

Macmahon

Posted on:  26th Aug 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

Macmahon Underground is returning to New Zealand and seeking a Site Administrator to join our team at the Snowy River Gold Mine Project near Reefton on New Zealand’s South Island.

Reporting to the site leadership team, you will play a key role in supporting the day-to-day administrative functions of the project, ensuring efficient, compliant, and well-organised site operations.


Responsibilities (not limited to the following)

  • Provide administrative support to site management and operational teams.
  • Coordinate rosters, leave, travel, accommodation, and site access requirements.
  • Support employee and contractor onboarding and mobilisation activities.
  • Maintain accurate personnel, training, and site records.
  • Perform data entry, document control, filing, and records management.
  • Prepare and distribute reports, meeting minutes, and site documentation.
  • Raise purchase requisitions, process goods receipts, and support procurement activities.
  • Coordinate site communications, meetings, and site visits.
  • Assist with timesheet processing, payroll administration, and workforce reporting.


What You’ll Bring

  • Previous experience in a Site Administrator role (preferably within the mining or relative industry).
  • Advance in the use of Microsoft Office.
  • Experience using SuccessFactors (desirable).
  • 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.
  • Valid Class 1 (unrestricted manual) New Zealand drivers licence (essential).


Role Details

  • Location: Snowy River Gold Mine Project – Reefton, New Zealand’s South Island 
  • Roster: Monday to Friday - 5 days on, 2 days off 
  • Hours:  12 hour work day 
  • Transport:  Drive in, drive out on a daily basis from the local region 
  • Accommodation allowance provided 
  • Competitive remuneration package 


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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