Billing Assistant

Position

Billing Assistant

Location:

Manchester

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As a Billing Assistant at Four Net, you will support the end-to-end billing process for our telecoms products and services -- ensuring accurate invoicing, timely revenue capture, and excellent customer service. You will work cross-functionally with finance, sales, provisioning, and customer support teams to maintain billing data integrity and resolve billing-related queries.

• Prepare and generate customer invoices.
• Validate billing data, including rates, service activation dates, discounts and contract terms before invoicing.
• Assist with monthly, quarterly and ad-hoc billing cycles to ensure deadlines are met.
• Upload and reconcile call detail records (CDRs) and usage reports.
• Ensure accuracy of recurring and one-off charges.

• Maintain customer billing accounts within CRM, ERP or billing platforms.
• Perform regular data checks to identify discrepancies or missing information.
• Reconcile revenue, usage data and service inventories with network and provisioning teams.
• Support audits and financial reporting by providing accurate billing information.

• Handle customer billing enquiries via email or phone in a professional, timely manner.
• Investigate billing disputes and provide clear explanations or corrections.
• Liaise with internal departments to resolve issues affecting billing accuracy (e.g. provisioning delays, incorrect tariffs).

• Ensure compliance with billing policies, regulatory requirements and internal controls.
• Identify inefficiencies in billing processes and suggest improvements.
• Maintain documentation of billing procedures and workflows.

• Good understanding of telecom billing processes, tariffs and usage-based charging.
• Proficiency with Excel (VLOOKUP, pivot tables, data validation).
• Experience with telecom billing systems (e.g. Abillity, Billing Central) is an advantage.
• Strong numerical accuracy and attention to detail.
• Experience with Salesforce or similar CRM is a plus.

• Excellent communication and customer-service attitude.
• Highly organised with the ability to meet strict deadlines.
• Strong problem-solving mindset and ability to analyse data.
• Team player with a proactive approach.

• Previous experience in billing, finance, accounts, or telecom operations is desirable.
• Experience in telecommunications or IT services is preferred but not mandatory.

• Be part of a fast-growing, award-winning technology and service company trusted by critical organisations across the UK.
• Work in a collaborative, transparent and supportive culture that values quality, integrity, and continuous improvement.
• Opportunity to develop within a dynamic team, across billing, finance and telecom operations -- with exposure to complex services and high-profile clients.
• We offer lots of benefits including volunteering leave, electric vehicle salary sacrifice scheme, cycle to work scheme, holiday increases with service, gym discounts, medical cash back scheme and salary sacrifice tech purchase scheme.

If you are interested in this role and believe you meet the requirements, please send your CV without delay!