> Markdown version of [/jobs/ext/3019337-principal-data-engineer-finance-transformation](https://www.wearedevelopers.com/jobs/ext/3019337-principal-data-engineer-finance-transformation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Data Engineer - Finance & Transformation - **Company:** British Airways - **Location:** Harmondsworth, UK - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Automation of Tests, Software as a Service, Cloud Engineering, Cyber Security, Continuous Integration, Information Engineering, Data Infrastructure, Database Development, Operational Databases, Platform as a Service (PAAS), Performance Tuning, Data Streaming, Enterprise Data Management, Data Processing, Data Ingestion, Snowflake, Information Technology, Data Management, Data Delivery, Data Pipelines - **Published:** September 21, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2981095530-2 ## About the Role * Excellent SQL development experience * Highly experienced in data ingestion, processing and storage techniques on cloud native tooling. * Experience cloud data management i.e. Snowflake, AWS, DBT, or similar Paas and SaaS offerings. * Experience of enterprise data management and security at scale. * Knowledge of data modelling and optimisation * Expert in data processing, testing, and monitoring practices and frameworks. * Experience supporting production data systems and resolving operational issues in CI/CD processes and agile development workflows. * Expert in information security principles and access control within data environments. * Degree or equivalent training in Computer Science, Engineering, or a related discipline is desirable. ## Description The role: Principal Data Engineer - Finance & Transformation This role forms part of the data delivery teams The Principal Data Engineer leads others in the hands-on data engineering tasks, and will also retain close to the technical detail, leading the development, operation, and continuous improvement of data ingestion, storage and processing that underpins data across the organisation. Principal Data Engineers are expected to lead the data lifecycle from development to deployment, monitoring, incident response, performance optimisation, and deprecation in line with modern DevOps principles. Leading agile teams and supported by senior engineers, this role involves building reusable components, automating components, and embedding operational best practices to ensure that the platform is secure, resilient, observable, and cost-efficient What you'll do: * Leading other in the build, test, and deploy data pipelines to support the secure and scalable delivery of data. * Maintain and operate data products, ensuring their availability, performance, and resilience through monitoring, alerting, patching, and incident resolution. * Assure code and automation scripts to manage data flows. * Lead service reviews, health checks, and root cause analyses to improve data processing reliability and reduce operational overhead. * Set standards for data processing documentation, ensuring changes are tracked and version-controlled. * Support senior engineers with the delivery of engineering patterns, coding standards, and automated testing practices. * Actively lead agile ceremonies, delivery planning, and retrospectives to support continuous improvement. * Define and measure the developer experience by working with data product teams to streamline integration and resolve data processing related issues. * Will line manage Senior Data Engineers. * Will be needed to be on call on a rota basis to support data products What you'll bring to British Airways: * Delivers work reliably and to a high standard. Builds trust by being consistent, transparent and accountable in all interactions. * Seeks to understand the problem behind the ask. Actively explores new ways to frame requirements and improve processes through better data use. * Encourages collaborative problem-solving. Supports colleagues by sharing knowledge and enabling others to make informed decisions. * Raises concerns constructively and challenges ambiguity or assumptions to ensure clarity and value in delivery. * Works openly across disciplines, connecting stakeholders and delivery teams. Builds shared understanding through strong communication and engagement. ## Related Videos - [Implementing continuous delivery in a data processing pipeline](https://www.wearedevelopers.com/videos/73-implementing-continuous-delivery-in-a-data-processing-pipeline) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)