Description About Big River Group Big River Group is a publicly listed Australian company with more than 120 years of experience supplying timber and building products to residential, commercial, and industrial markets.
With a strong national presence and a commitment to quality, innovation and customer service, Big River continues to be a trusted partner across the construction and building industries.
The Opportunity An exciting opportunity has become available for an experienced and motivated Senior Accounts Payable Officer to join our Finance team at our Mascot Head Office.
Reporting to the Group Financial Controller, you will take ownership of the Accounts Payable function across the organisation, ensuring the accurate and productive processing of supplier transactions in a high-volume environment.
This is a hands-on senior role that combines operational excellence with process improvement, stakeholder engagement, and team support.
You will act as a key escalation point for supplier and payment-related matters while helping to maintain strong financial controls and supporting the ongoing development of the Accounts Payable team.
Key Responsibilities Manage the end-to-end Accounts Payable function across the business.
Ensure supplier invoices are accurately coded, approved and processed in accordance with company policies.
Prepare, review and process weekly and monthly EFT payment runs.
Perform supplier statement reconciliations and resolve account discrepancies.
Manage supplier enquiries and maintain positive supplier relationships.
Process employee expense claims and corporate card reconciliations.
Support month-end and year-end close activities, including accruals and reconciliations.
Prepare Accounts Payable reports, aged creditor analyses and cash flow information.




Maintain strong internal controls and ensure compliance with company policies and taxation requirements.
Identify and implement process improvement and automation opportunities.
Support branch administrators, operational teams and finance stakeholders in resolving invoice and payment issues.
Provide guidance, training and mentoring to Accounts Payable team members.
About You To be successful in this role, you will bring: Degree or Diploma in Accounting, Finance, Bookkeeping or a related discipline.
Proven experience in a senior Accounts Payable role within a medium to large organisation.
Experience managing end-to-end Accounts Payable processes in a high-volume environment.
Solid understanding of GST requirements, invoice compliance and financial controls.
Proven experience processing large EFT payment runs.
Advanced Microsoft Excel skills, including PivotTables, XLOOKUP/VLOOKUP and data analysis.
Experience with Pronto ERP or a similar enterprise system.
Strong reconciliation, analytical and problem-solving skills.
Excellent attention to detail and organisational skills.
Ability to manage competing priorities and meet deadlines.
Strong communication and stakeholder management skills.
Experience mentoring or supporting junior finance team members.
A proactive approach to continuous improvement and process efficiency.
Why Join Big River Group?




Join a well-established ASX-listed Australian business with over 120 years of success.
Be part of a supportive and collaborative finance team.
Opportunity to contribute to process improvement and business initiatives.
Work in a reliable, growing organisation with nationwide operations.
Enjoy a professional environment that values accountability, teamwork and continuous development.
Our Commitment to Diversity and Inclusion At Big River Group, we value equality, inclusion and diversity.
We are an Equal Opportunity Employer and are committed to providing a workplace free from discrimination.
All aspects of recruitment and employment are based on merit, competence, performance and business needs.
Apply Now If you are a highly organised Accounts Payable professional looking to take the next step in your career, we would love to hear from you.
Apply via SEEK or contact the People Culture team for a confidential discussion.
Company Overview Big River Group manufactures a range of construction products including timber and steel formwork, timber flooring, plywood and decorative panels, as well as distributing a broad range of other building products from well-known local and international suppliers, focusing primarily on the commercial and residential, civil and infrastructure construction trade market segments.
Big River owns and manages 26 sites across Australia and New Zealand, encompassing Big River Building Trade Centres, Big River Commercial, Timberwood Panels, Plytech and SLQ.
Big River provides customers with the security of a full support network, and technical expertise at every stage of the product lifecycle.
This is the guarantee of quality and service that Big River has based its 130+ years of success on.

📌 Senior Accounts Payable Officer (Sydney)
🏢 Big River Group
📍 Sydney