Billing & Invoice Specialist – Sales Ledger

About the role

We are looking for a dedicated Billing & Invoice Specialist to join our Finance / Account Management team in Brentwood. The role is essential for capturing and recording all material and subcontractor costs in the company billing systems, helping to maximise cost recovery and protect profit margins.

Key responsibilities

• Manage the end‑to‑end billing cycle, including generating, verifying and sending accurate invoices to clients.
• Support client billing applications, ensuring correct submission and efficient tracking.
• Proactively chase subcontractors for timely paperwork and invoice submission.
• Capture all chargeable costs outside of scope on client systems to recover costs effectively.
• Contribute to supplier reviews and recommend improvements.
• Analyse and report on cost recovery ratios, identifying improvement areas and suggesting actionable solutions.
• Ensure compliance and accuracy of reactive applications submitted to clients.
• Calculate mark‑ups correctly to protect profit margins on reactive works.
• Coordinate with finance, operations, third‑party suppliers and IT to resolve billing discrepancies and support system enhancements.

Required profile

• GCSE level (or equivalent) in Maths and English.
• Studying towards an accountancy accreditation (desirable).
• Intermediate level of Excel proficiency.
• Proven experience working to demanding deadlines with exceptional attention to detail.
• Strong interpersonal skills for effective client interaction.
• Experience within a Sales Ledger department and familiarity with accounting software.
• Ability to work under pressure in a busy environment and adapt to changing demands.

Required skills

• Intermediate proficiency in Microsoft Excel.
• Experience with accounting software and sales ledger systems.

What we offer

• Salary up to £30,000 per annum (range £28,000‑£32,000) depending on experience.
• Up to 4% discretionary bonus scheme, subject to target achievement.
• 25 days holiday plus Bank holidays.
• Group personal pension with matched contributions (5%‑6%).
• Health Cash Plan and life assurance.