Technical Lead Manager - Training Runtime, Data(set) Movement

Lead the design and delivery of a unified dataset read platform powering OpenAI's largest model training runs, owning data APIs, storage contracts, versioning, and reliability guarantees across training frameworks. You’ll code hands-on in core data loading paths, align researchers and infrastructure teams, build observability tools, and drive scalable data movement from dataset read to checkpointing, enabling fast, reproducible, and robust training at scale.