The Operational Finance Assistant plays a critical role in supporting the Operational Finance Lead and the wider business in executing financial and business functions. This position ensures the accuracy, compliance, and efficiency of financial processes, encompassing payroll, invoicing, margin management, and system administration.Key Duties and ResponsibilitiesOperational FinanceProvide comprehensive support for all operational financial transactions, including payroll processing, invoice generation, margin reporting, and pay adjustments.Manage temporary and permanent invoicing, rebates, advance processing, and self-billing.Assist with resolving credit control queries promptly.Monitor and manage various payment types, including processing payments for Off-Payroll workers.Maintain and update calculators used for rate determination, particularly regarding changes in AWR or Statutory Employment regulations.Assist with Intermediaries Reporting and ONS submissions.System and Process AdministrationSet up suppliers and clients within VMS/InTime systems.Assist with timesheet importing processes.Conduct regular reviews and monitoring of margins, variances, and potential risks, providing insightful feedback.Identify and implement process improvements, leveraging automation and AI where applicable.Support financial aspects of implementations and projects across the organisation.Reporting and AnalysisGenerate ad hoc reports as requested by the business and/or clients.Support audit quer