The Opportunity We are on the lookout for an experienced Senior Site Administrator to join our onsite Construction team, working a site‑based roster of 2:1 or 3:1, depending on preference. You will work initially on a Greenfields project in the Goldfields, WA, with further project options available. This role works closely with the Construction Manager, Supervisors, and site teams to ensure seamless transition of all GRES personnel and GRES Contractors to and from the project site.

Typical

Day - 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.

Qualifications - Extensive Administration experience in mining, construction or project workplace.




Advanced level Microsoft Office skills.
High level communication.
Excellent communication and organisational skills.
Construction White Card.
Current Driver’s Licence.
Full and unrestricted Australian working rights.

Benefits - Attractive remuneration on a weekly pay cycle.
Employee Assistance Program (EAP) and well‑being assistance, free for all the family.
A cooperative and supportive team environment with all the tools and training to succeed.
24 weeks of paid parental leave to primary caregivers.
Friendly and supportive onsite culture. We value you and understand that life happens outside of work.

We offer a workplace that genuinely cares and, as a team, we ensure that you have the practical support you need. GRES is an equal prospect employer and believes that diversity, equity and inclusion deepens our depth of knowledge, capability and experience. We welcome applications from all backgrounds.

📌 Senior Site Administrator 19/06/2026 Laverton Wa, Australia Perth
🏢 GR Engineering Services
📍 Perth