Senior Data Architect — Medallion Data Platform Lead

Harnham is seeking a highly experienced Data Architect to shape and scale a modern enterprise data platform in a regulated environment. You will design end-to-end data models, drive Medallion Architecture across Bronze, Silver and Gold layers, and define semantic models for analytics, BI and AI use cases.

You will collaborate with engineering, security and business stakeholders to deliver robust data solutions, govern metadata, and mentor the wider data team.