Interim Senior Finance Officer London Hybrid: 2-3 days in office (Wednesday required) £40,000-£43,000 Immediate startWe are currently recruiting for an experienced Senior Finance Officer to join a well-established organisation during a period of transition within its finance team. This is a hands-on role offering broad exposure across financial operations, systems, and reporting.Key responsibilities include:Supporting month-end close and preparation of management accountsAssisting with VAT returns and maintaining accurate financial recordsManaging and reconciling intercompany transactions and balance sheet accountsSupporting budget maintenance, code creation, and updates within finance systemsProviding payroll cover (c.200 employees across permanent and temporary staff)Processing overhead allocations and supporting regular reporting requirementsEnsuring timely submission of reporting packs and reconciliationsLiaising with stakeholders across finance, HR, and other departmentsIdentifying and implementing process improvementsSystems and Process ResponsibilitiesOverseeing and supporting the use of finance and expense systems (e.g. Proactis or similar)Maintaining system workflows, user access, coding structures, and documentationProviding guidance and support to internal usersAssisting with updates to finance policies, procedures, and intranet resourcesSkills and Experience:Experience in a Senior Finance Officer / Finance Officer roleStrong knowledge of month-end processes, VAT,