Temporary Billing Specialist — High-Volume Invoicing & Excel

Weploy; Brisbane; On-site; AUD 55,000 - 75,000; Full time

Job summary

CSA Specialised Services (CSA), part of Waste Services Group (WSG), based in Coopers Plains, seeks a Billing Officer for a full-time, office-based role.

You will handle high volumes of invoices, analyse data in Excel, and collaborate with Sales, AP, and Operations to ensure accurate billing and timely processes.

The ideal candidate has 3–5 years in billing, strong numerical skills, GST knowledge, and excellent communication while working under pressure.

Qualifications

• Approx. 3–5 years of experience in billing, accounts receivable or similar finance role.
• Strong MS Excel skills, including pivot tables and VLOOKUPs.
• Solid understanding of billing principles, invoice calculations and GST.
• Strong numerical abilities and high attention to detail.
• Ability to analyse information, solve problems and work independently.
• Excellent written and verbal communication across stakeholder levels.
• Organised, with time management skills to meet deadlines.
• Willingness to learn new systems and adapt quickly.

Responsibilities

• Prepare, process and distribute high volumes of customer invoices accurately and on time.
• Review billing information, customer rates, quotes and supporting documentation for accuracy.
• Use Excel to analyse data, check pricing and support billing activities (pivot tables, VLOOKUPs).
• Manage customer enquiries, investigate discrepancies and resolve invoicing issues.
• Collaborate with Sales, Accounts Payable, Operations and Credit teams for accurate billing outcomes.
• Monitor and respond to enquiries via the billing email inbox.
• Maintain accurate, confidential billing records.
• Assist with ad hoc reporting and other accounting tasks.
• Manage fluctuating workloads and meet month-end deadlines.
• Identify opportunities to improve billing processes and efficiency.

Skills

Strong numerical skills

Attention to detail

Excellent communication

Time management

Problem solving

Tools

Microsoft Excel

Pivot tables

VLOOKUPs

Job description

CSA Specialised Services (CSA), part of Waste Services Group (WSG), based in Coopers Plains, seeks a Billing Officer for a full-time, office-based role.

You will handle high volumes of invoices, analyse data in Excel, and collaborate with Sales, AP, and Operations to ensure accurate billing and timely processes.

The ideal candidate has 3–5 years in billing, strong numerical skills, GST knowledge, and excellent communication while working under pressure.