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About the Role
As a Principal Data Engineer at E.ON Next, you will play a leading technical role in maturing and scaling our Databricks-based data platform. You will create robust, reliable, and reusable data solutions to support analytics, data science, and operational decision-making, acting as a senior technical expert within the Data Team.
Responsibilities
- Design, build, and optimize scalable, high-performing data pipelines and data models within the Databricks platform.
- Integrate new data sources using batch and streaming/real-time approaches.
- Design and improve data quality, reliability, and observability processes.
- Take ownership of complex engineering problems, developing robust solutions aligned with business needs and architectural principles.
- Lead data engineering activity within delivery teams, providing technical direction and ensuring best practice engineering patterns are applied.
- Engage with senior data stakeholders to understand requirements, shape technical solutions, and influence technical decisions.
- Contribute to the design and evolution of the data platform, recommending improvements to architecture, pipeline design, and engineering approaches.
- Develop and maintain clear documentation across data pipelines and associated systems, ensuring security, governance, and operational standards.
- Work collaboratively across multi-skilled, cross-functional teams and with external partners.
- Coach, mentor, and support other Data Engineers, helping to build technical capability and a culture of engineering excellence.
- Work independently with appropriate autonomy and accountability, delivering high-quality solutions in a fast-paced environment.
Requirements
- At least 5 years of experience as a Data Engineer or in a similar data-focused role.
- At least 1 year working as a Senior Data Engineer.
- Strong experience with Amazon Web Services (AWS).
- Strong experience with Databricks and/or Spark.
- Strong Python and SQL skills, with the ability to write production-quality code.
- Solid understanding of cloud-based data engineering design, particularly within AWS.
- Experience designing and delivering data extraction, transformation, and aggregation solutions, including large-scale and real-time data.
- Strong understanding of data modelling, database design, and data warehousing concepts.
- Experience designing repeatable, production-quality data pipelines using parameterisation, reusable patterns, and engineering best practice.
- An understanding of data governance, data quality, and data cataloguing principles and associated tools.
- Experience working with stakeholders to understand requirements and translate them into effective technical solutions.
- Proven ability to take ownership of complex data engineering problems and deliver robust solutions.
- Strong problem-solving skills, with a structured approach to troubleshooting and root cause analysis.
- Strong attention to detail and a genuine curiosity about data.
- Confidence and adaptability to learn new tools and technologies and work effectively in a fast-paced environment.
- A self-starting approach, with the ability to set goals, take initiative, and work with a high degree of autonomy.
- Employment subject to a basic DBS check.
Skills
- Databricks
- Spark
- Python
- SQL
- AWS
- Data Modelling
- Database Design
- Data Warehousing
- Data Governance
- Data Quality
- Data Cataloguing
- Batch Processing
- Streaming/Real-time Data Integration
Location
- London - E.ON Next, 47-53 Charterhouse Street, Farringdon, London, EC1M 6PB
Work Type
- Hybrid
Experience Level
- Principal
- Senior
Salary/Compensations
- Competitive salary
Benefits
- Excellent parental leave allowance
- 26 days of annual leave plus bank holidays
- Generous pension
- Life cover
- Bonus opportunities
- Access to 20 flexible benefits with tax/NI savings
- Fertility Friendly accreditation
- Menopause Friendly accreditation
- Support for individuals with disabilities (guaranteed interviews for disabled applicants meeting minimum criteria)
- Inclusive talent networks
- Top-tier development programmes
About the Company
- E.ON Next is building a data-driven organisation where trusted, high-quality data is central to decision-making, customer service, and strategy.
- Award-Winning Workplace - Sunday Times Best Place to Work 2025 and Best Place to Work for 16–34-year-olds.
- Flexible & Family-Friendly policies recognised at the Personnel Today Awards 2024.
- Inclusive & Diverse - Only energy company in the Inclusive Top 50 UK Employers, winners of Best Employer for Women and Human Company of the Year.
- Support at Every Stage of Life - Fertility Friendly and Menopause Friendly accredited.
- Accessible & Supportive - Disability Confident Employer.
Equal Opportunity
- As a Disability Confident Employer, we guarantee interviews for disabled applicants who meet the minimum criteria for the role and will make any adjustments needed during the process.