Principal Data Engineer in London

This is an opportunity for a Principal Data Engineer to take ownership of enterprise-scale data engineering initiatives within a well-established organisation undergoing significant investment in its data and technology capabilities. You'll combine hands-on technical leadership with team mentorship, shaping engineering best practice while driving the delivery of secure, scalable, and high-performing data products.

* Leading the design, build, testing, and deployment of data pipelines and data products

* Driving data engineering best practices across development, automation, monitoring, and operations

* Coaching, mentoring, and supporting Data Engineers and Senior Data Engineers

* Leading incident management, root cause analysis, and service improvement initiatives

* Helping define engineering standards, coding practices, and automated testing frameworks

* Working closely with product, platform, architecture, and business stakeholders to deliver valuable data solutions

* Supporting agile delivery activities including planning, retrospectives, and continuous improvement initiatives

* Improving platform reliability, observability, performance, and cost efficiency

* Contributing to technical strategy and influencing engineering direction across the wider organisation

* Participating in a rota supporting business-critical data products

You will lead the delivery and ongoing operation of data engineering solutions, ensuring data products are secure, resilient, and scalable.

* Strong commercial experience in SQL development

* Expertise in cloud-based data engineering and modern data architectures

* Experience with technologies such as Snowflake, AWS, dbt, or comparable cloud data platforms

* Strong understanding of data ingestion, processing, storage, and optimisation techniques

* Experience building and supporting production-grade data systems

* Knowledge of CI/CD practices, DevOps principles, and agile delivery environments

* Strong understanding of data security, governance, and access control frameworks

* Experience leading technical teams and mentoring engineers

* Ability to influence stakeholders and communicate effectively across technical and non-technical audiences

* Strong problem-solving skills with a focus on reliability, scalability, and continuous improvement

* Opportunities to lead high-impact enterprise data initiatives

* Ongoing learning, mentoring, and career development support

* Clear progression within a growing data and engineering function

* Collaborative environment with strong investment in modern data platforms and technology