OverviewOur client is seeking a detail-oriented Data Analyst to support a range of ongoing energy and data-focused initiatives. This role is heavily centred on Excel-based data analysis, with a primary focus on improving data quality, consistency, and accuracy. You will work with large volumes of customer and operational data, playing a key role in ensuring reliable datasets to support critical downstream processes across the business.Key ResponsibilitiesExtract, analyse, and manipulate data within Excel spreadsheetsPerform extensive data cleaning and validation, addressing poor or inconsistent data qualityIdentify and resolve errors, anomalies, and data gapsCross-reference and reconcile data across multiple sourcesSupport migration from legacy systems to new platformsProduce clean, accurate datasets for reporting and operational useWork with customer data and meter-related informationSupport data accuracy for energy supply and smart meter processesEnsure data integrity to prevent downstream issues (e.g. incorrect records, billing/top-up errors)Key Projects / ContextMigration of data from a legacy system into a new platformSupporting implementation and integration of new systems (including clearing functions)Addressing inconsistent and unreliable datasets requiring significant cleansingSupporting high-volume data handling within an energy/utilities environmentKey Skills and ExperienceEssentialAdvanced Excel skills (core requirement), including:Data manipulation and cleansingF