Salary: £70,000 - 100,000 per year Requirements: Strong Python and SQL skills in data engineering contexts Experience building and maintaining production data pipelines Experience working with SQL and data-engineering environments such as Databricks or Spark Ability to work closely with non-engineering stakeholders and translate business needs into data models Desire to become an expert in all facets of the energy systems, from behind-the-meter asset optimisation to retail energy supply 4 years of related experience (nice to have) Experience in energy supply, trading, or market-facing data systems (nice to have) Exposure to regulated or operationally critical data environments (nice to have) Familiarity with CHP, generation assets, or flexibility markets (nice to have) Responsibilities: Own the Energy Supply Data Stack Take end-to-end ownership of data pipelines supporting the supply business Ensure data is accurate, timely, and fit for both operational and analytical use in our pipelines Collaborate with supply managers to deliver insights and serve as a first point of contact Build and Maintain Robust Data Pipelines Ingest data from internal systems, market sources, and third-party providers Implement transformations, validations, and reconciliation logic using Python and SQL Proactively identify and resolve data quality issues Collaborate Across Engineering and the Business Work closely with engineers to ensure data systems integrate with trading and optimization platforms Support the broader engineering team by owning supply-domain data complexity Contribute to improving standards and tooling across the data platform Develop a Deep Domain Expertise in Energy Supply and UK Markets Build a strong, working understanding of the UK energy supply industry, including market structures, products, and commercial drivers Maintain familiarity with UK electricity and gas market mechanics, settlement processes, and key regulatory frameworks Translate regulatory, commercial, and operational requirements into robust data models and pipelines Technologies: Databricks Support Python SQL Spark More: We are a well-established energy business located in London, specifically in Mayfair, and we operate on a hybrid basis with three office days and two remote days per week. We offer our Senior Data Engineer the opportunity to take clear ownership of a critical part of our business’s technical foundation. This role enables you to transform ad-hoc, manual data processes into robust systems while closely collaborating with trading, optimization, and operations teams. As our company and product grow, so will your impact, responsibility, and career trajectory. last updated 5 week of 2026