CSA Specialised Services (CSA), part of Waste Services Group (WSG), is seeking a Billing Officer in Dandenong South to ensure accurate and timely customer invoicing within standard hours 9:00am–5:00pm. You will work closely with Sales, Accounts, Operations and Credit to review rates, process high volumes of invoices, and resolve discrepancies using Excel pivot tables and VLOOKUPs. This role offers hands-on experience in a busy finance team with opportunities to streamline processes and support