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Business administrator - water treatment & mining

Adelaide
W3 Associates
Posted: 23 April
Offer description

Our client is an end-to-end water treatment solutions provider, operating in the mining & metals, petrochemical, food & beverage, and municipal sectors across ANZ and EMEA.

They deliver services including design & construct, design, construct & operate, consulting, and equipment supply for major capital projects in Australia and internationally.

Position Summary

Two opportunities exists for a highly organised Business Administrator to support the day-to-day operations of the offices in Perth and Adelaide.

This is a varied and hands-on role supporting travel coordination, procurement and accounts administration, office management, and general business operations. You'll play a key role in keeping the office running smoothly while supporting project teams and leadership across the business.

Key Responsibilities

Travel Management

* Coordinate and book flights, accommodation, and transport for staff (domestic and occasional international).
* Reconcile travel expenses and company credit cards.

Procurement & Accounts Support

* Raise purchase orders, quotes, and invoices using Xero.
* Track supplier orders and follow up on deliveries.
* Support accounts receivable/payable, including invoice processing and payment follow-ups.
* Assist with expense claims, credit applications, and monthly reconciliations.

Facilities & Office Management

* Coordinate office maintenance, cleaning, and supplier services.
* Manage office supplies, equipment, and onboarding setup for new staff.

General Administration

* Maintain filing systems and customer databases.
* Coordinate meetings, calendars, and communications with clients and suppliers.
* Provide document formatting, proofreading, and general admin support.
* Assist with logistics, freight coordination, and order fulfilment.
* Support onboarding and general team administration.

QHSE Support

* Assist with maintaining QHSE documentation and records.
* Support compliance activities and promote safe work practices.

About You

* 5+ years' experience in a business administration or office support role.
* Experience in a heavy industry environment (water, mining, construction, oil & gas) highly regarded.
* Familiarity with accounting systems such as Xero.
* Strong organisational skills with the ability to manage multiple tasks.
* Excellent communication and attention to detail.
* Proactive, reliable, and team-oriented approach.
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