Staff Security Engineer

Summary

Join Ondo Finance as a Staff Security Engineer and play a crucial role in securing our blockchain-based financial products and infrastructure. You will lead security architecture reviews, implement controls for on-chain and off-chain systems, and ensure our platform maintains the highest security standards. Working closely with product and engineering teams, you will build and maintain secure systems protecting digital assets. You'll establish robust security infrastructure, design and implement secure systems and processes, create and maintain security standards, and position Ondo as an industry leader in blockchain security. We are a fully remote company with team members across the U.S., backed by top investors and leaders in the space.

Requirements

• 5+ years of experience in security engineering, with significant focus on blockchain technology
• Strong understanding of cryptography and blockchain security principles
• Proven experience securing smart contracts and DeFi protocols
• Expertise in security architecture for distributed systems
• Experience with incident response and security monitoring
• Demonstrated ability to read code to identify and assess security risks, as well as write code in common scripting languages to support security solutions and automation
• Located in PT, MT, CT, or ET time zones
• Excellent communication skills with both technical and non-technical stakeholders

Responsibilities

• Lead security architecture reviews for blockchain products, focusing on smart contract security, key management, and Web3 integrations
• Design and implement security controls for both on-chain and off-chain systems
• Perform security audits of smart contracts and blockchain infrastructure
• Participate in on-call rotation, and potential incident response support
• Collaborate with product teams to integrate security best practices into the development lifecycle
• Conduct third-party security assessments and manage relationships with external auditors
• Develop and maintain security documentation and training materials

Preferred Qualifications

• Experience with Solidity, Rust-Solana, Move, or Go
• Background in traditional finance or FinTech security
• Experience with formal verification and automated security testing
• Knowledge of cross-chain bridges and interoperability protocols
• Expertise in secure CI/CD pipelines for smart contract deployment
• Experience with multi-signature systems and custody solutions
• Track record of leading security for successful blockchain product launches

Benefits

• Competitive compensation including salary, future token rights, and/or equity (according to your preferences) — we're well-funded and believe that great talent deserves great compensation
• Full benefits (medical, vision, and dental) and flexible vacation policy (PTO)
• Small remote-first team across many countries — you'll be an early team member helping shape our vision, culture, and design practices
• A+ colleagues — our team includes alumni from: Goldman Sachs, Blackrock, Two Sigma, Bridgewater, SpaceX, AWS, Meta, Google, McKinsey, Circle, Uniswap
• Best-in-class investors — we are proud to be backed by leading crypto experts and VCs, including Pantera Capital, Founders Fund and Coinbase Ventures