• Great opportunity to join a growing Team
  • Be part of some ground breaking projects
  • Weekly pay cycle & FIFO roster & long term contracts

Do you want to work for a company who provides the financial peace of mind of a major ASX-listed company with the heart of a family business? With a massive project pipeline, a hands-on leadership team, and the security of our industry reputation, your future is secured.

Our success is built collectively, through collaboration, trust, and a shared commitment to excellence. Prioritising diversity, professional growth and autonomy, we pride ourselves on measurable outcomes. With us you aren't a number, but a trusted part of a team committed to delivering outstanding outcomes for our global clients. You are empowered to take ownership of your role while working across full project lifecycles. We offer stretch opportunities early and direct mentorship to ensure our teams have the chance to develop new skills and knowledge.

"Family values. Premier performance. Shared success."

About Us:

GR Engineering Services Limited (GRES) is a leading process engineering consulting and contracting company that specialises in providing high-quality engineering design and construction services to the mining and mineral processing industries.

We currently have multiple projects on the go and our projection for growth means we are actively looking for talent across all areas of our business.

The Opportunity

We are on the lookout for experienced Senior Site Administrators to join our onsite Construction team across various projects in Western Australia, providing high-level administrative support and ensuring the smooth day-to-day operation of site activities.

This role works closely with the Construction Manager, Supervisors and site teams to ensure seamless transition for all GRES personnel and GRES Contractors to and from the project site.

This is an exciting time to join GRES as we are experiencing significant growth providing great opportunities for you to develop alongside us.

Key Responsibilities

  • Coordinating commercial flights, charter flights, and land transport for a FIFO/DIDO workforce.
  • Creating, updating and managing the manning roster, flight changes and leave requests
  • Daily reporting via our contracting partner's systems
  • Coordinating toolbox talks and progress meetings, managing diaries, and taking formal meeting minutes
  • Completion and submission of weekly timesheets for Trades
  • Ordering and maintaining stocks of office stationery, crib room food, and site hygiene supplies

About you

  • FIFO Administration experience in mining, construction or a project environment
  • Advanced level Microsoft Office skills
  • Prior exposure to INX software preferable
  • High level communication
  • Excellent communication and organisational skills
  • Construction White Card
  • Current Driver's Licence
  • Full and unrestricted Australian working rights

What's on Offer

With over 800 employees across Australia and growing, our focus is to create a rewarding working environment where you will be valued and appreciated for your knowledge, experience and innovative mindset.

Here at GRES, we offer:

  • The financial stability of a 40 plus year ASX listed company.
  • Attractive remuneration package on a weekly pay cycle.
  • A collaborative and supportive team environment with the tools and resources to succeed.
  • Opportunities for career growth and professional development as the business continues to expand.
  • Employee Assistance Program (EAP) – wellbeing support available for you and your family.
  • Strong pipeline of works with ongoing work for the right candidate

As an equal opportunity employer, GRES is committed to fostering diversity, equity, and inclusion, recognising that they enrich our collective knowledge, capabilities, and expertise.

Discover what's under the bonnet at GRES by visiting our careers page https://careers.gres.com.au/ to find a culture where you are valued, make a difference and gain end-to-end project experience.

Apply today and join the GRES team!

GRES is an equal opportunity employer and believes that diversity, equity and inclusion deepens our depth of knowledge, capability and experience.

We welcome applications from all backgrounds.





Type: Contract

Category: Administration and Support - Administration Assistant

Reference ID: JP000004

Date Posted: 11/08/2026

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