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We are seeking a senior technical leader to shape solution architecture standards across our GenAI portfolio. Reporting to the Head of GenAI CoE - Tech Delivery, you will ensure architectural coherence, reusability and best practice across business units while enabling rapid, responsible innovation at scale.
Job Responsibility:
Lead a federated community of GenAI solution architects, creating a consistent approach to design while respecting local delivery needs
Review major solution designs, provide challenge where needed and ensure alignment with enterprise architecture principles and group technology strategy
Validate non‑functional requirements such as security, scalability, resilience and performance, and help teams manage technical debt effectively
Define and maintain standards, reference architectures and reusable patterns for GenAI, covering areas such as model selection, prompt engineering, RAG patterns, agent frameworks and documentation practices
Capture lessons learned through design reviews and post‑implementation assessments, helping drive continuous improvement
Build technical coherence through standardisation and reuse
Shape the approved GenAI technology stack, inform vendor strategy and guide technology decisions
Identify shared capabilities, reusable components and APIs that accelerate delivery across business units
Set integration standards for GenAI solutions, including data access, security, governance, hybrid LLM architectures, prompt management and observability
Maintain a catalogue of reusable patterns and accelerators that support a build once, use many approach
Remain hands‑on when required, supporting complex or high‑risk deliveries
Co‑design solutions, producing high‑quality architecture artefacts, prototyping and validating approaches for new use cases, and troubleshooting multi‑system issues
Support incident response when issues arise from architectural design
Requirements:
Significant experience in solution architecture within complex or matrix organisations
Proven ability to design and deliver enterprise‑grade solutions using GenAI technologies such as LLMs, RAG, agents and related frameworks
Strong understanding of cloud platforms such as AWS, Azure or GCP and modern application architectures
Deep knowledge of GenAI architecture patterns including retrieval‑augmented generation, agent frameworks, fine‑tuning and prompt engineering
Experience with vector databases, embeddings and semantic search
Strong capability in API design, integration patterns and enterprise system architecture
Familiarity with responsible AI principles, model governance and MLOps practices
Ability to influence through technical credibility and coach other architects
Excellent communication skills and the ability to translate between technical detail and business priorities
Strategic mindset with the ability to balance short‑term delivery with long‑term architectural vision
What we offer:
33 days holiday (including bank holidays) when they join us, increasing the longer you stay with us, up to a maximum of 38 days (including bank holidays)
Option to buy or sell up to an additional five days of annual leave
Eligible for up to £3,600 of free shares each year after one year of service