Billing Specialist

We're looking for an experienced Billing Specialist to support US operations within a growing international business. This role is ideal for someone with strong billing and accounts receivable experience who enjoys working in a fast-paced, project-based environment and can confidently manage end-to-end billing processes while collaborating with remote stakeholders. This is a 6 month contract with potential to extend. Key Responsibilities • Manage the full billing cycle for designated US business units, ensuring invoices are accurate and submitted on time. • Liaise with finance, operations and project teams to understand client-specific billing requirements, including purchase orders, billing portals and supporting documentation. • Review billing requests for accuracy and resolve discrepancies before invoices are issued. • Maintain billing schedules and trackers to ensure deadlines are met. • Support cash flow by identifying and resolving billing issues that could delay collections. • Assist with reconciliations, month-end reporting, WIP, unbilled revenue and accounts receivable processes. • Build strong relationships with internal stakeholders across finance, operations and account management teams. • Contribute to continuous improvements in billing processes, controls and documentation. About You • 3 years + experience in billing, accounts receivable, revenue operations or a similar finance role. • Experience in a professional services, agency, healthcare, pharmaceutical, medical communications or other project-based environment is advantageous. • Knowledge of both Time & Materials (T&M) and fixed-fee billing. • Strong understanding of billing, revenue and cash collection processes. • Proficient in ERP/accounting systems and Excel. • Excellent communication and organisational skills, with the ability to manage multiple deadlines independently. • Detail-oriented, proactive and comfortable working in a hybrid environment. What's on Offer • Fixed-term contract with a growing international organisation. • Hybrid working (2 days in the office, 3 days from home). • Opportunity to work closely with experienced US finance and operations teams. • A role with real ownership and a direct impact on business performance and cash flow.