Senior Security Engineer – DeFi

Posted 6hrs ago

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Job Description

Staff/Senior Security Engineer leading signing and treasury security program at Ethena Labs. Collaborating with DeFi and trading teams in a crypto-native environment.

Responsibilities:

  • Own the end-to-end design of our signing regime
  • Manage, maintain and continuously upgrade canonical address and contract allowlist system
  • Operate and tighten real-time monitoring across wallets, custodians, and DeFi positions
  • Run independent technical reviews of new protocol integrations
  • Continuously verify ERC-20 approval hygiene across the treasury

Requirements:

  • Mastery of Solidity and the EVM; you can read arbitrary contracts and raw calldata without assistance
  • Deep practical experience with Gnosis Safe, Coinbase Prime, Anchorage, and Fireblocks
  • Strong practitioner-level knowledge of DeFi protocols like Aave, Morpho, and Stargate
  • A security-first mindset that assumes a hostile environment by default
  • Proven ability to explain technical risks to non-technical stakeholders

Benefits:

  • Flexible, remote-friendly work environment
  • Established opportunities for personal growth and learning