Reporting to the Accounts and Systems Manager, this position is a key operational role in partnership with the broader Finance team as well as collaboration with other business units. The position is responsible for ensuring accurate and timely payment receipting and payables processing, supporting the Accounts and Systems Manager in delivering efficient financial operations. The successful candidate will have previous experience in Accounts Receivable and Payables, along with proficiency in accounting system software. A critical component of this role involves supporting the implementation of a new Finance Management System, facilitating the organisation’s transition from the construction phase to an operational airport state. This includes involvement in the transformation of the accounts receivable function and contributing to the ongoing enhancement of the payables process. Key responsibilities : Support implementation of the payment receipting function in the Finance Management System. Accurately receive, record, and allocate payments to customer accounts. Reconcile accounts receivable, identify discrepancies, and promptly resolve issues. Accurately maintain AR modules in the Finance Management System. Respond to customer inquiries and resolve concerns efficiently and professionally. Liaise with other business units to facilitate resolution of disputes. Invoice processing and payment instruction initiation to facilitate timely and accurate payments to suppliers Match invoices to PO's, obtain approvals, and perform reconciliations in compliance with internal controls. Accurately maintain AP modules in the ERP. Review expense claims, corporate card acquittals and purchasing card reconciliation in line with company policies. Maintain and reconcile travel account. Proactively build and maintain strong relationships with customers, suppliers and internal contacts. Support internal and external audits to ensure data accuracy and integrity. Assist with month-end close process including GL reconciliation and accruals. Identify opportunities to enhance accounts receivable and payable processes and propose actionable solutions Perform ad-hoc finance tasks as required to support team objectives. About You Previous Accounts Receivable/Payable experience in a similar role is preferred. Basic bookkeeping and accounting skills. Intermediate Excel skills. Tier 1 ERP systems experience highly regarded. Ability to work on multiple issues at the same time, keep to deadlines and work under pressure. Flexibility and ability to adapt to change. Strong interpersonal skills and shares information, knowledge and experience freely with others. Strong written and verbal communication skills, with excellent attention to detail. Keen sense of initiative with a proactive approach to tasks and collaborations. Demonstrate excellent record keeping and time-management skills. Demonstrate energy, enthusiasm and passionate commitment to WSI, with a focus on safety as a priority. Identifies and proposes opportunities to improve existing routines and processes. Builds and maintains positive relationships within and across teams. Works cooperatively with others to achieve team objectives What We Offer This role represents a great opportunity to join an Airport that represents the future of aviation and to showcase your skills within a dynamic, fast paced and high-performance culture by living WSA's values: Safety is our priority | We do it with Heart | We strive to be different and better | We achieve together There's a great working environment with flexibility (hybrid office/home) in a collaborative team where your input will be valued and rewarded. WSA is an equal opportunity employer committed to building a diverse and inclusive culture. By joining us you will be part of an organisation that supports community, charities and environmental initiatives. We encourage residents of Western Sydney, Aboriginal and Torres Strait Islander and people from all backgrounds to apply.