Imagine yourself in a role where your professional growth and creativity are championed every step of the way. Opus is the UK s largest independent Managed Service Providers, recently ranked as World class by the Best Companies to work for awards. Be a key player in our Billing team The Billing Specialist plays a key role in ensuring accurate, timely, and customer focused billing across a diverse product portfolio. The role involves maintaining high standards of data integrity, supporting continuous improvements, and collaborating effectively with internal teams and external stakeholders. Additionally, you will be responsible for: • Delivering accurate and timely monthly billing cycles, supporting the Billing Team including the upload of supplier files, processing of call and service data, and reconciliation of billed data against customer orders • Maintaining and updating billing platforms and records, including updating pricing, and ensuring customer and product data is accurate. Experience with aBILLity or similar billing systems is an advantage. • Investigating and resolving billing queries efficiently, ensuring clear and professional communication with customers and internal departments • Validating and reconciling supplier invoices, identifying discrepancies, raising supplier claims, and ensuring alignment with data received • Manually billing non-automated services, applying relevant charges and ensuring alignment with contractual commitments • Supporting process imp