Billing Specialist

Join G.Network and help power London's full fibre future.

At G.Network, we're on a mission to transform London's digital infrastructure by bringing ultrafast full fibre broadband to homes and businesses across the capital. As we continue to grow, we're looking for a highly organised and customer-focused Billing Specialist to join our Finance team.

This is an excellent opportunity for an experienced finance professional who enjoys working across both Accounts Receivable and Accounts Payable, thrives in a fast-paced environment, and takes pride in delivering exceptional service to customers, suppliers, and colleagues alike.

• Processing customer billing activities across B2B, B2C and wholesale customers.
• Managing Accounts Receivable and Accounts Payable processes with accuracy and efficiency.
• Administering Direct Debit collections and resolving payment failures.
• Carrying out credit control activities and managing outstanding debt collections professionally.
• Processing supplier invoices, purchase orders and payment runs.
• Reconciling customer and supplier accounts and resolving discrepancies.
• Raising credit notes and supporting contract changes, renewals and terminations.
• Responding to billing and payment queries, providing excellent customer service.
• Producing aged debt and creditor reports and supporting audit activities.
• Identifying opportunities to improve processes, controls and operational efficiency.
• Supporting and sharing knowledge with colleagues to help build a high-performing team.

• Experience working across both Accounts Receivable and Accounts Payable functions.
• A solid understanding of billing, collections, supplier payments and reconciliations.
• Excellent attention to detail and a commitment to financial accuracy.
• Experience using finance systems and CRM platforms, ideally Salesforce.
• Strong organisational and prioritisation skills with the ability to meet deadlines.
• Excellent communication skills and confidence working with customers, suppliers and internal stakeholders.
• A proactive, solutions-focused approach to problem‑solving.
• The ability to work independently while contributing positively to a collaborative team environment.
• Salesforce or similar CRM experience.
• Experience with in telecommunications, utilities, SaaS, subscription-based services or other recurring billing environments.