AI Architect

RELX International; Greater London; On-site; GBP 120,000 - 160,000; Full time

Benefits offered by this job

Generous holiday allowance

Private medical benefits

Learning & development opportunities

Employee discounts

Job summary

RELX, LexisNexis Intellectual Property Solutions (LNIP), is seeking an AI Architect to serve as the technical authority for Protégé within PatentSight+. You will influence the full stack from agentic layer to data sources, ensuring scalable, secure AI systems that align with RELX Responsible AI standards and product strategy.

You will partner with Engineering Leads, Product Managers, and Data Scientists to design, document, and implement multi-step reasoning workflows, RAG pipelines, and

Qualifications

• Experience delivering production LLM-based systems with RAG pipelines and agentic/tool-use frameworks.
• Strong proficiency in Python for AI service development.
• Experience with vector databases and semantic search pipeline design.
• Ability to document architecture decisions and communicate them clearly to diverse audiences.

Responsibilities

• Define and own the AI architecture vision for Protégé in PatentSight+, ensuring decisions are coherent and future-proof.
• Evaluate AI technologies, modelling approaches, and platform components.
• Stay updated with advances in agentic AI and domain-specific AI research.
• Translate capabilities into practical architectural recommendations and ADRs.
• Architect agentic reasoning systems to decompose patent questions and plan analyses.
• Design retrieval and search architectures for low-latency patent intelligence.”
• Define patterns for AI-driven enrichment and classification at scale, with auditable outputs.
• Establish prompt engineering standards and quality frameworks for production LLMs.
• Collaborate with Product Management to assess feasibility and shape the AI roadmap.

Skills

AI architecture leadership

Production LLM systems

Python for AI services

Vector databases & semantic search

Enterprise microservices

Stakeholder communication

Education

Advanced degree in Computer Science / AI

Tools

Databricks

Elasticsearch

Kafka

Model Context Protocol (MCP)

ADR documentation

Job description

AI Architect

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.
• Essential - Proven track record delivering production LLM‑based systems, including RAG pipelines, agentic/tool‑use frameworks, and multi‑step reasoning workflows.
• Essential - Strong proficiency in Python for AI service development; working knowledge of C# or equivalent compiled language for enterprise microservice integration.
• Essential - Hands‑on experience with vector databases and semantic search pipeline design.
• Essential - Experience with Model Context Protocol (MCP).
• Essential - Experience with large‑scale data platforms such as Databricks and search engines such as Elasticsearch, in an analytical or AI feature engineering context.
• Essential - Demonstrated ability to design enterprise‑grade AI systems with strong non‑functional requirements: security, privacy, reliability, cost governance, and observability.
• Essential - 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.
• Desirable - Knowledge of Responsible AI Principles.
• Desirable - Advanced degree in Computer Science, Artificial Intelligence, Data Science, or a related field.
• Desirable - 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.

Working 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. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights.

RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive. Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions. Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.