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Lead Security Engineer

In-Person NYC💼 Full-time🗓 2026-05-04 → 2026-09-26

Core

Lead Security Engineer responsible for securing mission-critical web2/web3 infrastructure, smart contracts, and operational processes for onchain financial products.

Role type

Lead Security Engineer (Cloud, Smart Contract, Operational)

Builds

Production software across web2 and web3 stack, including smart contract protocols, DeFi integrations, and cloud infrastructure.

Domain

Onchain financial infrastructure, DeFi, TradFi, Cloud Security

Deliverable

production ML models | product features | infrastructure

Required skills

Cloud infrastructure security, Smart contract security, Operational security, Threat modeling, Incident response, Full stack application development, EVM security tooling, DeFi exploit knowledge, CTF/bug bounty experience

Preferred skills

Experience with Azure and AWS, Knowledge of financial attack vectors, Experience building reusable security tools

Technologies

Azure, AWS, EVM, Smart contracts, DeFi protocols

Responsibilities

Conduct internal audits of Cloud platform security and implement best practices; Create threat models for first party and third party software; Develop tooling and SOPs for incident response; Collaborate with Smart Contract team to set up secure operational practices; Build full stack tools for mitigating exploits and financial risks.

Seniority

Lead, hands-on IC with team leadership

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