Senior AI Architect for Protégé Patent Intelligence

LexisNexis Legal & Professional group; East Devon; On-site; GBP 100,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Wellbeing programs

Pension scheme

Travel Season ticket loan

Electric Vehicle Scheme

Dental Insurance

Employee Assistance Programme

Job summary

LexisNexis Intellectual Property Solutions (LNIP) is seeking an AI Architect to drive the architecture for Protégé within PatentSight+. You will shape the full-stack AI system, from agentic layers to data sources, ensuring coherence, scalability, and compliance with RELX Responsible AI.

The senior individual-contributor role collaborates with Engineering Leads, Product Managers, Data Scientists, and data teams to deliver advanced AI capabilities and robust governance.

Qualifications

• Proven track record delivering production LLM-based systems, including RAG pipelines and multi-step reasoning workflows.
• Strong Python for AI service development; working knowledge of C# or equivalent for enterprise microservice integration.
• 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.

Responsibilities

• Define and own the AI architecture vision for Protégé in PatentSight+, ensuring coherence, future-proofing, and alignment with product strategy.
• Evaluate and recommend AI technologies, modelling approaches, and platform components.
• Stay up to date with advances in agentic AI and translate capabilities into architectural recommendations.
• Author Architecture Decision Records (ADRs) and system design documentation.
• Architect agentic reasoning systems for Protégé to decompose complex patent questions and plan analyses.
• Design retrieval and search architectures for low-latency patent intelligence across data sources.
• Define patterns for AI-driven enrichment and classification of patent data at scale.
• Establish prompt engineering standards, evaluation harnesses, and quality frameworks for LLM production.
• Collaborate with Product Management to assess feasibility and shape AI roadmap.
• Work with Security and Platform teams on access control, data privacy, and compliance.
• Ensure all AI systems comply with RELX Responsible AI Principles.
• Lead AI risk assessment activities for regulatory compliance.
• Communicate architectural decisions clearly to leadership and engineers.

Skills

AI/ML architecture

Production LLM systems

Python for AI

Vector databases

MCP

Databricks

Elasticsearch

Security & Observability

Technical communication

Tools

Databricks

Elasticsearch

Job description

LexisNexis Intellectual Property Solutions (LNIP) is seeking an AI Architect to drive the architecture for Protégé within PatentSight+. You will shape the full-stack AI system, from agentic layers to data sources, ensuring coherence, scalability, and compliance with RELX Responsible AI.

The senior individual-contributor role collaborates with Engineering Leads, Product Managers, Data Scientists, and data teams to deliver advanced AI capabilities and robust governance.