Security Engineer, Blockchain

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September 30

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Trail of Bits

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Cybersecurity • SaaS • Blockchain

Trail of Bits is a company that specializes in software security and assurance. Established in 2012, it has assisted some of the most targeted organizations worldwide in securing their systems. Trail of Bits combines advanced security research with a practical attacker mindset to reduce risk and strengthen software code. The company offers services in software assurance, security engineering, and research and development, focusing on areas such as blockchain, cryptography, and mobile device security. They also provide expert training courses to enhance understanding of various security aspects like penetration testing and threat modeling.

51 - 200 employees

Founded 2012

🔒 Cybersecurity

☁️ SaaS

📋 Description

• Review smart contracts, off-chain components, and blockchain infrastructure for security vulnerabilities using manual analysis and automated tools. • Provide strategic advice to customers to build more robust software and improve project maturity. • Collaborate with senior engineers and client teams on code review and security assessments. • Work with existing blockchain security tools (e.g., Slither, Echidna, Medusa) and contribute to tool integration and custom rule development. • Design and implement solutions for security vulnerabilities in smart contracts, consensus mechanisms, and cross-chain validations. • Conduct research and development on L1/L2 networks, rollups, bridges, and consensus protocols to stay current with threats. • Learn and experiment with new tools between project engagements and contribute to the broader security community.

🎯 Requirements

• Experience with Solidity security and understanding of the Ethereum Virtual Machine (EVM). • Familiarity with common smart contract vulnerabilities, reentrancy attacks, and DeFi security patterns. • Knowledge of other ecosystems such as Move, Solana, Cosmos, and TON is a plus. • Proficiency in at least one systems programming language (Go, Rust, C++, or similar). • Understanding of blockchain development frameworks. • Experience with blockchain node operations, RPC interfaces, or consensus protocol implementations. • Understanding of Layer 1 and Layer 2 architectures, rollups (optimistic and ZK), state channels, or sidechains. • Basic familiarity with consensus mechanisms like Proof of Stake, PBFT, or Tendermint and finality concepts. • Interest in reviewing blockchain infrastructure, including validator nodes, bridge contracts, oracle integrations, or cross-chain communication protocols. • Understanding of deployment security and incident response integration. • Experience with security analysis, vulnerability assessment, or penetration testing. • Familiarity with automated security tools, fuzzing techniques, or static analysis methodologies applied to blockchain systems. • Trail of Bits participates in E-Verify (US federal employment eligibility verification).

🏖️ Benefits

• Competitive salary complemented by performance-based bonuses. • Fully company-paid insurance packages, including health, dental, vision, disability, and life. • A solid 401(k) plan with a 5% match of your base salary. • 20 days of paid vacation with flexibility for more, adhering to jurisdictional regulations. • 4 months of parental leave. • $10,000 in relocation assistance to support a move to NYC (if interested). • $1,000 Working-from-Home stipend to create a comfortable home office. • Annual $750 Learning & Development stipend. • Company-sponsored all-team celebrations, including travel and accommodation. • Philanthropic contribution matching up to $2,000 annually.