OpenZeppelin seeks a Technical Sales Lead, Ecosystems to own and grow a portfolio of ecosystem accounts (L1/L2 foundations, protocol teams, infrastructure providers). Responsibilities include full-cycle enterprise sales (prospect to close), technical discovery and scoping for security audits and secure development engagements, strategic account planning, and representing the company at conferences. Requires 6+ years in sales (including 3+ years owning revenue targets), technical fluency in smart contracts/EVM, and experience closing six- and seven-figure deals.