Principal Data Engineer

WTW's data products organization exists to turn data into a source of competitive advantage — powering smarter decisions, differentiating our client offer, and transforming how the business operates. As a Principal Data Engineer, you will be a senior technical voice in that effort, shaping the architecture and engineering practices that make it possible.

This is not a role for someone who wants to execute a defined plan. You will be working across two fronts simultaneously: building the core platform capabilities — the virtualized data lake, Common Data Layer, and data contract framework — that give WTW a unified, AI-ready data foundation; and embedding directly within product domains to deliver the high-quality, reusable data products that drive real business value. You will set the technical bar, define the patterns others follow, and bring genuine engineering craft to a transformation that is still being designed.

This role sits at the intersection of platform enginee...