Job Description
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About Big River Group
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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.
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The Opportunity
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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.
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Reporting to the Group Financial Controller, you will take ownership of the Accounts Payable function across the organisation, ensuring the accurate and efficient processing of supplier transactions in a high-volume environment.
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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 robust financial controls and supporting the ongoing development of the Accounts Payable team.
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Key Responsibilities
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Manage the end-to-end Accounts Payable function across the business.
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Ensure supplier invoices are accurately coded, approved and processed in accordance with company policies.
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Prepare, review and process weekly and monthly EFT payment runs.
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Perform supplier statement reconciliations and resolve account discrepancies.
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Manage supplier enquiries and maintain positive supplier relationships.
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Process employee expense claims and corporate card reconciliations.
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Support month-end and year-end close activities, including accruals and reconciliations.
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Prepare Accounts Payable reports, aged creditor analyses and cash flow information.
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Maintain strong internal controls and ensure compliance with company policies and taxation requirements.
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Identify and implement process improvement and automation opportunities.
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Support branch administrators, operational teams and finance stakeholders in resolving invoice and payment issues.
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Provide guidance, training and mentoring to Accounts Payable team members.
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About You
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To be successful in this role, you will bring:
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Degree or Diploma in Accounting, Finance, Bookkeeping or a related discipline.
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Proven experience in a senior Accounts Payable role within a medium to large organisation.
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Experience managing end-to-end Accounts Payable processes in a high-volume environment.
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Strong understanding of GST requirements, invoice compliance and financial controls.
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Proven experience processing large EFT payment runs.
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Advanced Microsoft Excel skills, including PivotTables,



XLOOKUP/VLOOKUP and data analysis.
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Experience with Pronto ERP or a similar enterprise system.
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Strong reconciliation, analytical and problem-solving skills.
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Excellent attention to detail and organisational skills.
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Ability to manage competing priorities and meet deadlines.
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Strong communication and stakeholder management skills.
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Experience mentoring or supporting junior finance team members.
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A proactive approach to continuous improvement and process efficiency.
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Why Join Big River Group?
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Join a well-established ASX-listed Australian business with over 120 years of success.
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Be part of a supportive and collaborative finance team.
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Opportunity to contribute to process improvement and business initiatives.
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Work in a stable, growing organisation with nationwide operations.
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Enjoy a professional environment that values accountability, teamwork and continuous development.
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Our Commitment to Diversity and Inclusion
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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.
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Apply Now
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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.
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Apply via SEEK or contact the People & Culture team for a confidential discussion.
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📌 Senior Accounts Payable Officer (Sydney)
🏢 Big River Group Pty
📍 Sydney