AI Architect
At a glance
Mid-level AI Engineering role at RELX. Farringdon · full-time · no salary stated · we estimate £54,125–£91,875 across the United Kingdom.
RELX has not published a salary for this role. The figure below is our estimate, not theirs.
aimlroles summary, based on the employer's posting.
What you'll do
- Set the technical direction for Protégé’s AI systems, choosing models, platforms and other components
- Design agent workflows that break down patent questions, plan analyses and draw insights from several data sources
- Create retrieval and search designs for patent intelligence across structured analytics and unstructured text
- Establish prompt, testing and quality practices for dependable LLM outputs, and record key architecture decisions
- Work with product, security and platform teams on feasibility, the roadmap, access controls and AI risk
What you bring
- You bring substantial software engineering experience from AI/ML architecture or a comparable senior engineering position
- You have delivered live LLM products using RAG pipelines, tool-using agents and multi-step reasoning
- You can build AI services in Python and connect them to enterprise microservices with C# or a comparable compiled language
- You have used vector databases and semantic search, plus MCP and large-scale data or search platforms
- You can design enterprise AI systems around security, privacy, reliability, cost governance and observability
Who this fits
This senior individual-contributor position suits an experienced AI architect who can explain complex decisions to technical and non-technical audiences. It is based in Farringdon, United Kingdom. Experience in intellectual property, legal technology or scientific information, and knowledge of Responsible AI Principles, are desirable.
From the employer
AI Architect
Excited to uncover insights from complex data and turn them into impactful business decisions?
Do you enjoy building predictive models, experimenting with advanced analytics, and solving real-world challenges with data?
About the team:
LexisNexis Intellectual Property Solutions (LNIP) is the global leader in patent intelligence, bringing clarity to innovation for businesses, law firms, universities, and government agencies worldwide. Our mission is to help the innovation community make better decisions faster, with greater confidence, combining the world’s most trusted patent data with sophisticated analytics, AI-powered insights, and purpose-built workflows.
Protégé in PatentSight is LNIP’s next-generation agentic AI assistant, purpose-built for strategic patent analysis. Protégé replaces complex filter-based workflows with natural language questions, surfacing structured, decision-ready insights grounded in trusted data and established metrics.
About the role :
As an AI Architect, you will be the technical authority for the AI systems that power Protégé within PatentSight+. You will work across the full stack, from the agentic layer down, ensuring every layer is coherent, scalable, secure, and aligned with RELX Responsible AI standards.
This is a senior individual-contributor role with broad influence. You will partner closely with Engineering Leads, Product Managers, Data Scientists, and data teams within LNIP.
Key Responsibilities:
- Define and own the AI architecture vision for Protégé in PatentSight+, ensuring technical decisions are coherent, future-proof, and aligned with product strategy.
- Evaluate and recommend AI technologies, modelling approaches, and platform components.
- Stay up to date with advances in agentic AI and domain-specific AI research. Translate emerging capabilities into practical architectural recommendations.
- Author and maintain Architecture Decision Records (ADRs) and system design documentation, providing a clear and durable record of technical choices and their rationale.
- Architect the agentic reasoning systems that enable Protégé to decompose complex patent questions, plan multi-step analyses, and compose insights from multiple data sources.
- Design retrieval and search architectures that deliver accurate, low-latency patent intelligence across both structured analytics and unstructured text corpora.
- Define patterns for AI-driven enrichment and classification of patent data at scale, ensuring results are dependable, auditable, and consistent with established IP metrics.
- Establish prompt engineering standards, evaluation harnesses, and quality frameworks to govern LLM behaviour and maintain output accuracy in production.
- Partner with Product Management to assess technical feasibility and shape the AI roadmap, translating product goals into deliverable system designs.
- Collaborate with Security and Platform teams to ensure AI systems meet enterprise requirements for access control, data privacy, and regulatory compliance.
- Ensure all AI systems comply with RELX Responsible AI Principles.
- Lead AI risk assessment activities, contributing to compliance with applicable regulatory frameworks.
- Communicate complex architectural decisions clearly to senior leadership, engineering teams, and non-technical stakeholders.
Requirements:
Essential -
- Strong professional software engineering expertise, with experience in a dedicated AI/ML architecture, principal engineer, or distinguished engineer role.
- Proven track record delivering production LLM-based systems, including RAG pipelines, agentic/tool-use frameworks, and multi-step reasoning workflows.
- Strong proficiency in Python for AI service development; working knowledge of C# or equivalent compiled language for enterprise microservice integration.
- Hands-on experience with vector databases and semantic search pipeline design.
- Experience with Model Context Protocol (MCP).
- Experience with large-scale data platforms such as Databricks and search engines such as Elasticsearch, in an analytical or AI feature engineering context.
- Demonstrated ability to design enterprise-grade AI systems with strong non-functional requirements: security, privacy, reliability, cost governance, and observability.
- Experience communicating complex architectural decisions through written documents, diagrams, and presentations to diverse audiences.
Desirable-
- Background in the intellectual property, legal technology, or scientific information domain; familiarity with patent data structures and classification systems.
- Knowledge of Responsible AI Principles.
- Advanced degree in Computer Science, Artificial Intelligence, Data Science, or a related field.
- Experience designing event-driven, cloud-native architectures using Kafka (or equivalent streaming platforms), including topic design, schema governance, and consumer patterns.
Why Join Us?
Join our team and contribute to a culture of innovation, collaboration, and excellence. If you are ready to advance your career and make a significant impact, we encourage you to apply.
Work in a way that works for you
We promote a healthy work/life balance across the organization. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.
Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive.
Working for you
We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:
- Generous holiday allowance with the option to buy additional days.
- Health screening, eye care vouchers, and private medical benefits
- Wellbeing programs
- Life assurance
- Access to a competitive contributory pension scheme
- Save As You Earn share option scheme.
- Travel Season ticket loan.
- Electric Vehicle Scheme
- Optional Dental Insurance
- Maternity, paternity, and shared parental leave
- Employee Assistance Programme
- Access to emergency care for both the elderly and children
- RECARES days, giving you time to support the charities and causes that matter to you.
- Access to employee resource groups with dedicated time to volunteer.
- Access to extensive learning and development resources
- Access to employee discounts scheme via Perks at Work
About the Business
At LexisNexis Intellectual Property (LNIP), we believe that whenever a person works on a patent and understands the future trajectory of a specific technology, that person has the potential to fundamentally change how society operates. We are proud to directly support and serve these innovators in their endeavors to better humankind. We enable innovators to accomplish more by helping them make informed decisions, be more productive, comply with regulations, and ultimately achieve superior results. By harnessing the latest advances in machine learning combined with expert analysis, LexisNexis Intellectual Property is disrupting how actionable insight is extracted from patent data. Information can now be accessed with efficiency, accuracy and at a speed that is just not possible by traditional methods. Our overall success is measured by how well we deliver these results.
We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.
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