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





