CSA Specialised Services (CSA), part of Waste Services Group (WSG), is seeking a Billing Officer based in Dandenong South. This full time, office-based role runs 9:00am–5:00pm and pays $37.59 AUD per hour plus Super. You will handle high-volume invoicing and work with Sales, Accounts Payable, Operations and Credit teams to ensure accurate billing. You should have strong Excel skills (Pivot Tables, VLOOKUP), billing/AR experience, GST knowledge and strong numerical ability, with a focus on