Planning and Performance SpecialistLocation: London (3 days on-site per week)Contract: ASAP - DecemberOur Client, a leading organisation managing a multi-billion portfolio across telecom products, is hiring for a talented Planning and Performance Specialist. This is a fantastic opportunity to join a high-impact team supporting strategic planning, performance measurement, and stakeholder engagement within a dynamic environment.What you''ll be doing: Translate annual strategic plans into actionable delivery and execution plans. Measure and report on outcomes using KPIs, providing insights to senior stakeholders. Support CAPEX investment planning and oversee performance across a large portfolio. Extract, manipulate, and analyse data from multiple sources to create meaningful reports and presentations. Present insights confidently, building trust and influencing decision-making. Manage demand for resources, ensuring initiatives align with business objectives and are supported by solid business cases. Lead the annual planning cycle, change management processes, and KPI reporting frameworks. Collaborate closely with cross-functional teams to optimise processes and improve efficiency.What you''ll bring: Strong planning, reporting, and analytical skills with experience owning end-to-end planning processes. Excellent stakeholder management and communication skills, capable of influencing at senior levels. Proven ability to extract and analyse data, with proficiency in Microsoft Power