Were seeking a proactive Accounts Receivable Assistant to join our Belfast team. This role is central to managing billing operations for our monthly co-location, connectivity, and platform services. You will ensure accurate invoicing, timely collections, and strong billing analytics to support Luceras scalable growth. Key Responsibilities Prepare and issue monthly invoices to global clients, tracking usage, service tiers, and contract terms. Coordinate with Sales, Support, and Engineering teams to gather and validate billing data. Monitor accounts receivable - track payments and resolve billing queries. Reconcile billing records and client contracts, investigating and resolving discrepancies. Maintain accurate records in financial systems; assist with month-end close. Respond swiftly to client billing inquiries with professionalism and clarity. Provide billing support for new client setups and onboarding processes.