A well-established UK energy and infrastructure organisation is seeking an Assistant Planning & Performance Analyst to play a key role in delivering high-quality insight, forecasting and performance reporting across a complex operational environment. This position offers genuine exposure to senior stakeholders and strategic decision-making, making it ideal for a commercially minded analyst looking to develop a long-term career in planning, performance or finance. The Role Reporting into the Head of Planning & Performance, you will support the business by transforming data into meaningful insight that drives operational efficiency, financial performance and strategic planning. You will work across multiple functions, helping leadership teams understand performance, anticipate future challenges and make informed, data-led decisions. Key Responsibilities Deliver accurate, timely and reliable analysis across a blend of business-as-usual reporting, strategic projects and ad-hoc requests Build, develop and maintain interactive Power BI dashboards that provide clear visibility of operational and financial performance Own the preparation and continuous improvement of weekly and monthly planning and performance reports, ensuring consistency, accuracy and relevance Design, build and maintain robust forecasting models to support short-, medium- and long-term business planning Analyse large, complex datasets to identify trends, variances, risks and opportunities Translate raw data into clear, actionable insights, presenting findings in a way that influences decision-making at senior level Support profitability and efficiency improvement initiatives through detailed performance analysis and scenario modelling Identify root causes of underperformance and work with stakeholders to recommend sustainable, data-led solutions Partner closely with Finance, Operations, HR, IT and leadership teams to ensure alignment between performance reporting, strategy and operational delivery Contribute to the ongoing development of planning, forecasting and reporting frameworks as the business evolves Actively promote a culture of continuous improvement, challenging assumptions and encouraging smarter use of data across the organisation About You You will be naturally analytical, commercially curious and comfortable working in a fast-paced environment with changing priorities. Essential: Degree-qualified in Finance, Business, Economics or a related discipline Advanced Excel skills, including complex modelling Experience working with large datasets and data integration Strong analytical and problem-solving capability Clear written and verbal communication skills, with the ability to explain complex information to non-technical stakeholders Highly organised, methodical and detail-driven, without losing sight of the wider commercial picture Desirable: Experience using Power BI Exposure to the energy, utilities or infrastructure sectors Progression towards a professional qualification such as ACCA or CIMA Whats on Offer Salary up to £35,000 Hybrid working arrangement High-visibility role with real influence on business performance Exposure to strategic planning and senior leadership Strong development and progression opportunities within a stable, growing organisation Supportive, people-focused culture with a long-term outlook