Manage full lifecycle of strategic ecosystem accounts (kickoff through delivery, renewal, expansion). Lead technical delivery coordination for audits and engineering teams, maintain program governance artifacts (milestones, scope, RAID), manage dependencies and third-party providers, and partner with Sales and Growth on renewals and upsells. Requires 5+ years in technical program/customer success/engagement management, strong blockchain and smart-contract familiarity (ability to read Solidity/Rust), and advanced English.