Billing Specialist: Complex Invoicing & Data Insights

Investigo; Milton Keynes; On-site; GBP 28,000 - 34,000; Full time

Job summary

Investigo, based in Milton Keynes, is seeking a detail-oriented Billing Administrator to join a busy finance team. The role focuses on producing and validating invoices, reconciling data, and resolving billing discrepancies with strong Excel skills.

The ideal candidate will manage complex billing processes, work with multiple data sources, and ensure data integrity across systems while supporting month-end revenue activities. This is a full-time, on-site position in Milton Keynes.

Qualifications

• Experience in Billing Administrator or similar role.
• Proven ability to manage complex billing processes.
• Advanced Excel skills including VLOOKUP, XLOOKUP and Pivot Tables.
• Excellent attention to detail with data accuracy.

Responsibilities

• Produce accurate and timely invoices across a diverse customer base.
• Manage complex billing processes involving multiple data sources, pricing structures, and charge types.
• Review, reconcile, and validate large volumes of billing data prior to invoice generation.
• Investigate and resolve billing discrepancies, queries, and exceptions.
• Maintain billing records and ensure data integrity across finance systems.
• Work closely with operational and commercial teams to gather and verify billing information.
• Analyse billing trends and identify areas for process improvement.
• Support month-end activities relating to revenue and invoicing.
• Create and maintain Excel reports to assist with billing analysis and validation.
• Ensure all billing activities comply with internal controls and company procedures.

Skills

Billing knowledge

Excel advanced

Data analysis

Attention to detail

Tools

ERP systems

Job description

Investigo, based in Milton Keynes, is seeking a detail-oriented Billing Administrator to join a busy finance team. The role focuses on producing and validating invoices, reconciling data, and resolving billing discrepancies with strong Excel skills.

The ideal candidate will manage complex billing processes, work with multiple data sources, and ensure data integrity across systems while supporting month-end revenue activities. This is a full-time, on-site position in Milton Keynes.