AI Systems Lead: ML Engineering & MLOps

RELX; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Generous holiday allowance

Health screening & private medical

Learning & development opportunities

Employee discounts

Job summary

RELX is seeking an expert Machine Learning Engineer to lead design, deployment, and operation of AI/ML services across legal content platforms. You will guide architecture decisions, ensure responsible AI practices, and integrate AI capabilities with enterprise systems and AWS-hosted services.

The role focuses on production-grade ML, LLM-based workflows, and agentic automation, with mentoring responsibilities and close collaboration with cross-functional teams to deliver scalable,

Qualifications

• Significant hands-on experience in machine learning engineering, software engineering, data engineering, or a related technical discipline.
• Experience designing, building, deploying, and operating ML, AI, LLM, or data-driven systems in production.
• Experience integrating AI/ML services with enterprise systems, APIs, databases, data platforms, legacy applications, or internal services.
• Experience working with AWS or cloud-hosted production environments.

Responsibilities

• Serve as the initial point of escalation for AI/ML engineering issues within the area of responsibility.
• Design, build, integrate, deploy, and operate production AI/ML and LLM-based services for legal research, analytics, and content use cases.
• Implement RAG, semantic search, embeddings-based retrieval, ranking, summarisation, classification, content enrichment, and citation-aware AI capabilities where appropriate.
• Design and implement agentic workflows, tool orchestration, and multi-step AI processes that are reliable, traceable, and governed.

Skills

Python

ML engineering

AWS

MLOps

LLM/RAG

Data processing

APIs

Distributed systems

Code reviews

Documentation

Education

Bachelor's or higher in CS/SE/Data Science

Tools

Docker

Kubernetes

GitHub Copilot

Terraform

Job description

RELX is seeking an expert Machine Learning Engineer to lead design, deployment, and operation of AI/ML services across legal content platforms. You will guide architecture decisions, ensure responsible AI practices, and integrate AI capabilities with enterprise systems and AWS-hosted services.

The role focuses on production-grade ML, LLM-based workflows, and agentic automation, with mentoring responsibilities and close collaboration with cross-functional teams to deliver scalable,