Accounts Payable Officer

About the Opportunity

We’re looking for a detail-oriented and organised Accounts Payable Officer to join CSA, part of Waste Services Group (WSG), based in Dandenong South.

Reporting to the AP Manager, you’ll play an important role in managing supplier invoices, processing payments and maintaining accurate financial records. You’ll work closely with internal teams across Victoria and Queensland, ensuring invoices are correctly coded, approved and paid on time.

This is a great opportunity for someone who enjoys working with numbers, resolving discrepancies and managing competing priorities in a fast-paced environment.

Key Responsibilities

• Process supplier invoices, ensuring purchase orders are referenced and invoices are accurately GL coded.
• Manage the accounts payable inbox, forwarding invoices to the relevant teams for purchase orders and approvals.
• Process employee reimbursements and reconcile supplier statements.
• Prepare and process weekly, semi-monthly and end-of-month payment runs.
• Maintain organised records of processed invoices within the appropriate payment folders.
• Assist with month-end accruals and cash flow forecasting.
• Reconcile waste invoices and investigate discrepancies to ensure billing accuracy.
• Liaise with internal stakeholders across CSA and Argus Operations teams in Victoria and Queensland to resolve invoice queries and keep processes running smoothly.

About You

You’re a proactive and organised individual with a strong eye for detail and the ability to manage high volumes of financial administration accurately. You enjoy working collaboratively, communicating with stakeholders and ensuring deadlines are met.

To be successful in this role, you’ll bring:

• Previous experience in accounts payable, invoice processing or a similar finance administration role.
• Experience using MYOB and Microsoft Office, particularly Excel.
• Strong numerical skills and a high level of accuracy when handling financial data.
• Excellent written and verbal communication skills.
• Strong time management and organisational skills, with the ability to multitask and work under pressure.
• A professional approach to handling confidential financial information.
• A proactive mindset, with a willingness to identify discrepancies, resolve issues and contribute to process improvements.

About CSA and Waste Services Group

CSA Specialised Services is part of Waste Services Group (WSG), one of Australia's largest integrated providers of managed services, waste collections and post-collection services to the SME resource recovery market.

With operations across Victoria, New South Wales and Queensland, WSG has grown through a combination of organic growth and strategic acquisitions. Its businesses provide a broad range of waste management, environmental services, data management and sustainability solutions to customers across industries including healthcare, education, logistics, manufacturing and automotive.

CSA Specialised Services has been operating for 18 years and is a major provider of industrial waste management solutions and specialised environmental services, with a focus on liquid waste processing.

WSG is committed to continued growth while maintaining a culture that prioritises people, customer service, collaboration and continuous improvement.

Why Join?

• Join an established and growing Australian business.
• Work closely with an experienced National AP Manager.
• Be part of a collaborative team supporting operations across multiple states.
• Contribute to accurate financial processes that support the wider business.
• Take ownership of your work in a role where attention to detail and reliability make a real difference.

If you have a strong eye for detail, enjoy working with numbers and are looking for your next opportunity in accounts payable, we’d love to hear from you!