Mobile Billing Specialist
Shoreham-by-Sea (2 days per week in office)
Full-time | Permanent
(Internal Job Level Reference : Senior Associate)
About the Role
We’re looking for a highly organised and detail-driven Mobile Billing Specialist to join our growing team. This role sits at the heart of the mobile operation, co-managing day-to-day billing activities across internal and external systems.
Working in a fast-paced environment, you’ll collaborate closely with account managers, provisioning teams, suppliers, and wider billing teams to ensure billing accuracy, efficiency, and continuous improvement. This is a fantastic opportunity to build deep expertise across billing systems, supplier management, and cross-functional operations.
Key Responsibilities
* Manage and respond to queries within the billing mailbox, ensuring timely and professional communication
* Perform weekly bill run checks, identifying and resolving issues such as unallocated usage, missing services, and incorrect data
* Review Profit & Loss accounts to identify billing anomalies, rating errors, and revenue opportunities
* Support the monthly billing cycle, ensuring all supplier files are processed, services allocated, and products correctly mapped
* Manage tariffs and bolt-ons, including creating new tariff sets and retiring legacy ones
* Work closely with internal stakeholders and external suppliers to resolve billing queries and discrepancies
* Support billing migrations linked to mergers and acquisitions activity
* Verify supplier billing accuracy and raise/chase credits where needed
* Ensure adherence to regulatory and compliance requirements
* Suggest and implement process improvements to enhance efficiency and accuracy
* Assist with ad-hoc billing projects as required
Requirements
* Strong ability to prioritise and manage a busy workload with competing deadlines
* Excellent organisation and time management skills
* Confident communicator, both written and verbal
* Highly analytical with exceptional attention to detail
* Ability to work independently and make sound decisions
* Strong Excel skills, including VLOOKUPs and Pivot Tables
* Reliable, punctual, and proactive approach
Desirable Skills
* Previous experience in a billing role
* Experience within the mobile or telecoms industry
* Familiarity with billing platforms or CRM/database systems
* Experience working with internal and external billing systems
Benefits
Why Join Us?
* Work in a fast-paced, collaborative environment
* Develop specialist knowledge across mobile billing and telecoms
* Be part of a team driving continuous improvement and innovation
* Hybrid working with 2 days per week in our Shoreham office