Accounts & Project Administrator

Western Water Solutions Pty Ltd Bibra Lake, Perth WA

Full-time | Flexible working hours

$75,000–$85,000 plus superannuation

About Western Water Solutions

Western Water Solutions is a growing Western Australian water treatment company specialising in the design, manufacture, installation and ongoing servicing of water treatment systems. Based at our Bibra Lake facility, our team delivers projects across the healthcare, commercial, industrial and government sectors throughout Western Australia. We are looking for an organised and commercially minded Accounts & Project Administrator to support our accounts function and growing portfolio of projects.

About the role

This is a full-time, office-based position combining day-to-day accounts support with project administration and cost tracking. Working closely with our administration team, Project Managers and company leadership, you will help ensure that project costs, purchase orders, supplier invoices and supporting documentation are accurately captured and kept up to date.

The role would suit someone who enjoys working with numbers, keeping projects organised and helping operational teams maintain visibility over project performance.

Working hours can be adaptable for the right person, provided the requirements of the role and business are met.

Key responsibilities

- Assist with accounts payable and accounts receivable.
- Process supplier invoices and allocate costs to the correct projects and cost codes.
- Raise and maintain purchase orders.
- Assist with customer invoicing and preparation of project progress claims.
- Reconcile supplier statements and follow up invoice or purchasing discrepancies.
- Help Project Managers monitor project expenditure against approved budgets.
- Maintain project cost trackers, committed-cost records and financial reports.
- Assist with project forecasting and cost-to-complete reporting.
- Maintain accurate electronic project and financial records.




- Assist with subcontractor, supplier and project documentation.
- Support project close-out, including checking that costs have been captured and invoicing is complete.
- Provide general administrative support to the accounts, projects and management teams as required.

About you

To succeed in this role, you will ideally have:
- A minimum 2 years experience with Xero.
- Previous experience in accounts administration, project administration or a similar position.
- Experience with accounts payable, accounts receivable, purchase orders and invoice processing.
- Strong numerical skills and excellent attention to detail.
- Confidence using Microsoft Excel and accounting or project management software.
- The ability to organise competing priorities and follow tasks through to completion.
- Clear written and verbal communication skills.
- A practical, proactive and team-oriented approach.
- The confidence to follow up Project Managers, suppliers and other team members when information is required.
- Full Australian working rights.

Experience in construction, engineering, manufacturing, water treatment or another project-based business would be highly regarded.

What we offer

- A permanent, full time position within a growing WA-owned business.
- Flexible start and finish times by agreement.
- A modern office and workshop environment in Bibra Lake.
- A varied role with exposure to accounts, project delivery and business operations.
- The opportunity to work closely with Project Managers and company leadership.
- Training and opportunities to develop as the company continues to grow.
- A supportive, practical and collaborative team environment.

How to apply

Please apply through SEEK with your resume and a brief cover letter outlining your relevant accounts or project administration experience. We are looking for someone who takes ownership of their work, enjoys keeping projects financially organised and wants to become a valued long-term member of the Western Water Solutions team.

📌 Accounts & Project Administrator (Bibra Lake)
🏢 Western Water Solutions
📍 Bibra Lake