Staff Security Engineer (Blockchain)

Ondo Finance; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

A leading company in blockchain finance seeks a Staff Security Engineer to secure its innovative financial products and infrastructure. This role involves designing security systems, conducting audits, and ensuring the highest security standards for digital assets. Be part of a pioneering team shaping the future of finance.

Benefits

Competitive salary and token rights

Full medical, vision, and dental benefits

Flexible vacation policy

Remote-first team environment

Qualifications

• 5+ years of experience in security engineering focused on blockchain technology.
• Strong understanding of cryptography and security principles.
• Proven experience with securing smart contracts.

Responsibilities

• Lead security architecture reviews for blockchain products.
• Design and implement security controls for systems.
• Collaborate with product teams for security best practices.

Skills

Blockchain security principles

Cryptography

Incident response

Smart contract security

Scripting languages

Security architecture

Job description

About the company

Hi, we're Ondo Finance. Our mission is to provide institutional-grade, blockchain-enabled investment products and services. We have both a technology arm that develops decentralized finance technology, and an asset management arm that creates and manages tokenized funds. We were the first company to tokenize exposure to US Treasuries, and have since expanded into several other assets. We are also focused on incubating protocols that can support both tokenized real-world assets and traditional crypto.

Founded by folks from Goldman Sachs Digital Assets Team, we’re backed by some of the best investors in the world including Founders Fund, Coinbase Ventures, Pantera Capital, Tiger Global, and more. We are currently the leaders in the space in terms of AUM and are well capitalized to continue growing the firm. We're fully remote, with team members across the U.S.

About the role

As a Staff Security Engineer at Ondo Finance, you will play a crucial role in securing our blockchain-based financial products and infrastructure. You'll lead security architecture reviews, implement controls for both on-chain and off-chain systems, and ensure our platform maintains the highest security standards while we scale. Working closely with our product and engineering teams, you'll help build and maintain secure systems that protect digital assets worth hundreds of millions of dollars.

Target outcomes

•Establish and maintain robust security infrastructure protecting Ondo's digital assets, sensitive data, and reputation

•Design and implement security systems and processes that enable rapid, secure product development and deployment

•Create and maintain security standards that align with both traditional finance and DeFi best practices

•Position Ondo as an industry leader in blockchain security through innovative solutions and proven track record

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

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

Nice to haves

•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

What we offer

•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.