ARA Fire Protection Services | Kings Park, NSW | Full-time

Billing Officer

About ARA Fire

ARA Fire is a leading provider of fire protection services, supporting customers through reliable service delivery and a strong commitment to safety, quality and compliance.

We are looking for an organised and detail-focused Billing Officer to join our finance team in Kings Park. Reporting to the Finance Manager, this full time position is responsible for accurately preparing and submitting customer invoices in accordance with contractual requirements and agreed timeframes.

About the role

This is a hands-on billing position suited to someone who enjoys working in a fast-paced environment, investigating discrepancies and ensuring invoicing is completed accurately and on time.

You will work closely with operational and finance teams to ensure jobs are ready for billing, all relevant costs have been captured, and invoices are supported by valid customer purchase orders or work orders. You will also help minimise billing backlogs and elevate issues that may affect invoicing, margins or cash flow.

Key responsibilities

- Prepare and submit customer invoices in line with contractual requirements and agreed timeframes.

- Process invoices for completed jobs using the relevant operational and financial systems.

- Confirm that all labour, materials and associated job costs have been captured before invoices are submitted.

- Ensure invoices are supported by valid customer purchase orders or work orders.

- Monitor outstanding jobs and help maintain billing backlogs within expected thresholds.

- Identify and elevate loss‑making jobs or invoices that fall outside expected margins.

- Escalate invoicing,



stock‑control and process‑compliance issues to the Finance Manager.

- Work collaboratively with operational teams to resolve missing or incorrect billing information.

- Maintain accurate billing records and support improvements to invoicing processes.

- Assist with reporting and monitoring aged trial balance items, including escalating unusual transactions.

- Complete other related duties as required.

About you

To succeed in this position, you will ideally have:

- Previous experience in billing, invoicing, accounts receivable or a similar finance administration role.

- Strong attention to detail and a commitment to accuracy.

- Confidence working with operational and financial systems.

- Good Excel and general computer skills.

- The ability to review job costs, investigate discrepancies and resolve billing issues.

- Strong organisational skills and the ability to manage competing priorities.

- Clear written and verbal communication skills.

- A practical, proactive and solutions‑focused approach.

- The ability to work effectively with finance, operations and customer‑facing teams.

Experience in fire protection, facilities management, construction, maintenance services or another job‑based service environment would be highly regarded.

What we offer

- A permanent, full‑time opportunity based in Kings Park.

- A supportive and collaborative team environment.

- Exposure to a large and diverse service‑based business.

- The opportunity to improve billing processes and contribute directly to business cash flow.

- Ongoing learning and career development opportunities.

ARA Fire is committed to providing a safe, respectful and inclusive workplace.

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📌 Billing Officer (Sydney)
🏢 ARA FIRE PROTECTION SERVICES
📍 Sydney