• Own and evolve core Data In Flight services (ingestion, user and event APIs, identity, system events) with a focus on reliability, performance, and cost. • Lead the Elasticsearch strategy for our multi-tenant live user and event data: index and mapping design, shard strategy, and safeguards across shared clusters. • Design and enforce platform contracts (APIs, data models, SLAs, and usage limits) that let product teams move quickly while keeping the data platform safe and scalable. • Work across other data and application teams on initiatives such as Elasticsearch upgrades, guardrails, resharding, and event retention. • Provide senior technical leadership during incidents and reviews, turning operational learnings into durable platform improvements. • Mentor engineers on distributed systems, data modeling, and pragmatic use of Elasticsearch.