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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer | S4 | CIO Finance and Risk | Milton Keynes | Internal Mobility - **Company:** Santander UK plc. - **Location:** Milton Keynes, UK - **Salary:** £87,200.0 - £130,800.0 - **Contract:** Temporary contract - **Skills:** Artificial Intelligence, Amazon Web Services, Automation of Tests, Cloud Computing, Continuous Integration, Extract Transform Load (ETL), DevOps, Distributed Systems, Python (Programming Language), Scala (Programming Language), Software Engineering, Data Logging, Test-Driven Development (TDD), Apache Spark, Infrastructure Automation Frameworks, Control M - **Published:** October 2, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5907679543 ## About the Role * Significant experience providing senior technical and engineering leadership across complex technology environments and migrations, including leadership of Technical Leads and engineering teams. Proven ability to deliver high-quality outcomes within demanding and immovable deadlines. (Required) * Experience working with third-party technology providers and conducting Proofs of Concept (PoCs) to evaluate emerging technologies, tools and solutions against business and technical requirements. (Required) * Experience across strategic technologies, including Cloud and AI, with a good understanding of solution integrity, scalability, resilience, performance and operational stability. (Required) * Knowledge of Financial Services, Enterprise Services and Risk, ideally including regulatory services, risk models and/or Finance and Accounting. (Preferred) Education * Relevant academic qualification. (Required) * Additional relevant technology, Cloud or engineering qualifications and certifications. (Preferred) Languages * English (Required) * Spanish (Preferred) Hard Skills * Great understanding of modern software engineering practices, including CI/CD, DevOps, Infrastructure as Code, TDD, automated testing and automated software delivery. (Required) * Great knowledge of AWS and Cloud technologies, including the design and operation of scalable, resilient and secure solutions. (Required) * Great knowledge and practical experience of AI technologies, tools and methodologies, including their application within software engineering and technology delivery. (Required) * Experience with data and analytical technologies, including ETL, Apache Spark, Scala, Python and related analytical languages. (Required) * Excellent understanding of observability and operational engineering, including monitoring, logging, tracing, troubleshooting, root-cause analysis, performance engineering and capacity planning. (Required) * Knowledge of Unix/Linux scripting, workload scheduling and distributed systems, including tools such as Control-M. (Preferred) Soft Skills: * Great technical leadership, sound judgement and the ability to operate effectively in complex, ambiguous and rapidly changing environments. (Required) * Excellent stakeholder management, collaboration and communication skills, with the credibility to engage and influence at senior levels. (Required) * Ability to provide technical direction across multiple teams, influencing architecture and engineering decisions without direct authority and driving adoption of engineering standards, architecture principles and best practices. (Required) * Solution-oriented, proactive and well organised, with the ability to prioritise effectively and deliver high-quality outcomes against demanding deadlines. (Required) ## Description Enterprise services are looking for a Principal Engineer based out of Milton Keynes, Unity Place.This role is on a fixed term contract for 12 months. As a Principal Engineer in Enterprise Services, you will be responsible for shaping the technical direction and evolution of our technology estate, ensuring solutions are robust, secure and aligned with our strategic architecture and engineering principles. You will inspire and guide engineering teams to deliver high-quality solutions, embrace modern technologies and ways of working, and continuously strengthen engineering capability and standards across the Domain. We're shaping the way we work through innovation, cutting-edge technology, collaboration and the freedom to explore new ideas. To succeed in this role, you will be responsible for: * Provide senior technical leadership and oversight across strategic technologies, ensuring solution quality, resilience, security and effective management of technical risk align with Santander engineering standards and target architecture. * Lead and develop Technical Leads and engineering teams, driving technical excellence, modern ways of working and effective adoption of new technologies, across products and programmes, strengthening capability, collaboration and engineering best practice. * Partner with Domains and Centres of Excellence to drive adoption of standard practices, strategic technology solutions and AI-enabled engineering capabilities, including Gluon. * Provide trusted technical advice to senior stakeholders, shaping Domain priorities, technology strategy and key architectural decisions. * Drive responsible adoption of AI and GenAI across the Domain, aligned with Bank standards and in collaboration with relevant Centres of Excellence. * Provide technical leadership across regulatory, audit and risk requirements, while driving simplification, engineering efficiency, cost optimisation and effective technology governance. WHAT YOU'LL BRING Our people are our greatest strength. Every individual contributes unique perspectives that make us greater as a team and as an organisation. We're enabling teams to go beyond by valuing who they are and empowering what they bring. The following requirements represent the knowledge, skills, and abilities essential for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.