Senior Data Engineer in City of London

The Role

We’re looking for a Senior Data Engineer to play a pivotal role in shaping, scaling, and maintaining our data pipelines and Lakehouse architectures, ensuring they are reliable, high-performing, and cost-efficient.

Your day-to-day:

• Design and develop ETL/ELT pipelines - you will build and operate ETL/ELT pipelines in Azure and Databricks, focusing on reliability, performance, and cost-efficiency.
• Construct Kimball-style dimensional models - you’ll develop and maintain dimensional models, confirmed dimensions, and fact tables to support analytics and reporting.
• Implement automated testing - you will define and enforce data quality and validation checks, incorporating automated testing into pipeline workflows.
• Ensure compliance with legal and regulatory standards - you’ll provide guidance on data governance, access controls, encryption, and compliance requirements.
• Collaborate cross-functionally - you will work closely with the wider Data team to internalise knowledge and identify opportunities to optimise existing pipelines.

What we are looking for:

• Expertise in cloud-based platforms - you possess hands-on experience with Databricks, PySpark, and Delta Lake, including performance tuning techniques.
• Proven data pipeline development - you’re confident in building production-grade ETL/ELT pipelines, with knowledge of integration patterns for SFTP and REST APIs, Pub/Sub.
• Previous experience with Kimball methodology - you’re skilled in designing data products using Kimball principles, with solid data modelling capabilities when using a Lakehouse framework.
• Analytical and troubleshooting mindset - you maintain a detail-oriented approach to testing and debugging, implementing testing for data transformations and data quality framework.
• Experience with Azure data services - you’re proficient in Azure tools such as ADF, ADLS Gen2, and Event Hubs, with advanced SQL and query optimisation skills.
• Effective communication skills - you are confident working with cross-functional teams, able to translate complex technical concepts into clear, concise insights for stakeholders and easily deliver data products to analytics and BI consumers.
• Compliance and governance knowledge - you possess a thorough understanding of data governance, encryption, access control, and industry compliance standards, with the ability to implement and advocate best practices.

Why choose us:

• An exciting reward and recognition scheme.
• Generous holiday allowance which increases with your length of service.
• Great internal learning and development programmes.
• A flexible hybrid working model.
• Priority access to apply for match tickets.
• A competitive health and wellbeing benefits package.
• A leading Employee Assistance Programme.
• Great discounts with some of our Partners.

Arsenal for Everyone is our commitment to promoting and embracing equality, diversity and inclusion, so that everyone connected to the club feels like they belong to the same Arsenal family. We believe that diversity of background, skills and experience drives our success on and off the pitch.

We are a Disability Confident Leader. We actively welcome and encourage applications from people with disabilities and long-term health conditions. If you need disability-related adjustments to the recruitment process, please indicate this in your application.

Our Commitment to Safeguarding: We are committed to ensuring that our environments for children, young people and adults at risk remain safe and inclusive. We therefore require successful candidates to complete a DBS check and other essential background checks prior to starting their employment.

Application Closing Date - Monday 17th November 2025. Please note: we reserve the right to close the position early if application volumes are particularly high. We encourage you to get your application in sooner rather than later.