About Us

Mambourin is a trusted and long-standing NDIS registered service provider, supporting people with disability for almost 50 years. With a clear purpose of empowering individuals to live the life they choose, we deliver a wide range of programs that promote independence, wellbeing, and meaningful community connection.

Joining Mambourin means becoming part of a values-driven organisation committed to putting people first, service excellence, making a difference, and building a strong community.

We are seeking an experienced and proactive Accounts Receivable Officer to join our Finance team on a full-time basis. Reporting to the General Manager – Finance, this role is responsible for ensuring accurate recording of payments, managing outstanding receivables, and delivering high-quality support to both internal and external stakeholders.

Key Responsibilities

In this role, you will:

• Process accounts receivable transactions including receipting, invoicing, and cash allocation
• Monitor and reconcile accounts to ensure payments are accurately recorded
• Investigate and resolve billing discrepancies, unallocated payments, and customer queries
• Follow up on outstanding invoices through email and telephone collections
• Maintain accurate financial records across systems including Microsoft Dynamics
• Support month-end processes, reporting, and reconciliations
• Build strong relationships with internal teams, stakeholders, and customers
• Monitor debtor accounts and report on overdue balances and payment arrangements
• Assist with audit requirements and other finance-related tasks as needed

About You

To succeed in this role, you will demonstrate:

• Proven experience in an Accounts Receivable role with end-to-end ownership
• Strong understanding of accounting principles and financial processes
• Excellent attention to detail and a high level of accuracy
• Strong communication and interpersonal skills, with the ability to build effective relationships
• Experience working with accounting systems (Microsoft Dynamics highly regarded)
• Ability to work both independently and collaboratively in a fast-paced environment
• Effective time management and problem-solving skills
• A customer-focused mindset and commitment to service excellence

Desirable:

• Experience in the NDIS or disability sector
• Exposure to complex billing arrangements and funding structures

Why Join Us?

• Purpose-driven organisation making a genuine difference in people’s lives
• Supportive and collaborative team environment
• Opportunity to take ownership and contribute to continuous improvement

• Flexible working arrangements may be available in the future

How to apply;

Please submit the following;

- A cover letter outlining your interest and suitability against the selection criteria above

- Your Resume/CV

For further information, please contact the People & Culture team at ***************@mambourin.org