Technical Architect - Agentic AI Platform

About the role

LSEG's Corporate Engineering AI (CE AI) team builds and governs the group's internal agentic AI ecosystem, including LSEG AI Assist, the Question Answering Service (QAS) and the Internal MCP Gateway. The Technical Architect role owns and maintains the architecture design documentation and drives designs through governance, ensuring they meet security, resilience, scalability and compliance requirements. The position is at manager level.

Key responsibilities

• Own and maintain SDD/ADD design documentation as governed, up-to-date artefacts.
• Drive designs through architecture governance, securing Dev/Test and Production approvals.
• Engage Cyber, Risk, Legal, Privacy and Compliance stakeholders to validate and approve designs.
• Represent solutions in governance forums, explaining architecture, risks and controls.
• Ensure solutions meet security, resilience, scalability, observability and compliance requirements.
• Align implementation with approved design and keep documentation traceable.
• Partner with ML, Quality and SRE teams to ensure designs are deliverable and production-ready.

Required profile

• Experience owning architecture artefacts in a governed enterprise.
• Strong understanding of architecture governance processes and stakeholder engagement.
• Ability to translate complex AI/ML designs into clear documentation.
• Familiarity with LLM, RAG and agentic system architectures and risks.
• Strong stakeholder management and communication skills with technical and non-technical audiences.