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Security Engineer, Blockchain

1 month, 1 week ago
Anywhere, United States
Full-time
Junior
Security Engineer
Cybersecurity
C++ Go Penetration Testing Rust Solana
Apply Now
Trail of Bits

Trail of Bits

Trail of Bits is a leading company specializing in computer and network security. Since 2012, they have been helping secure the world's most targeted organizations and products by combining high-end security research with a real-world attacker mentalit...

Internet Software & Services
51-250
Founded 2012
View All Jobs 7

Description

  • Review smart contracts, off-chain components, and blockchain infrastructure for security vulnerabilities.
  • Collaborate with blockchain teams to provide strategic security advice and improve project maturity.
  • Use manual analysis and automated tools to assess blockchain application security.
  • Contribute to existing blockchain security tools and help integrate automated analysis capabilities.
  • Develop custom rules and support tool development using modern software engineering practices.
  • Design and implement solutions for vulnerabilities in smart contracts, consensus mechanisms, and cross-chain asset transfer validation.
  • Identify architectural risks and security issues in client implementations.
  • Build knowledge of Layer 1 and Layer 2 blockchain systems, including rollups, bridges, and consensus protocols.
  • Stay current on emerging blockchain architectures, threats, and security practices.
  • Share expertise through contributions to the broader security and blockchain community.

Requirements

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

Benefits

  • Competitive salary with performance-based bonuses.
  • Fully company-paid health, dental, vision, disability, and life insurance.
  • 401(k) plan with a 5% match.
  • 20 days of paid vacation with flexibility for more, subject to local regulations.
  • 4 months of parental leave.
  • $10,000 relocation assistance for candidates moving to NYC.
  • $1,000 work-from-home stipend.
  • $750 annual learning and development stipend.
  • Company-sponsored all-team celebrations with travel and accommodation.
  • Philanthropic contribution matching up to $2,000 annually.
  • Remote-first culture with full-time employees working across time zones.

Interested in this position?

Apply directly on the company website

Apply Now

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