Senior Blockchain Security Auditor
Quebec, Québec, Province de Québec, Canada
Listed on 2026-11-02
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IT/Tech
Blockchain / Web3, Cybersecurity
About the Role
Our client, a highly respected cybersecurity firm specializing in blockchain technologies, is seeking an experienced Senior Blockchain Security Auditor for a fully remote position. You will play a critical role in ensuring the security and integrity of cutting‑edge blockchain projects by conducting rigorous audits of smart contracts, protocols, and decentralized applications. This position requires a meticulous individual with a deep understanding of blockchain vulnerabilities, cryptography, and secure development practices.
You will be part of a global team dedicated to safeguarding the burgeoning crypto‑economy. This is an exceptional opportunity for a security‑focused professional to make a significant impact from anywhere.
- Perform comprehensive security audits of smart contracts, dApps, and blockchain protocols, primarily using Solidity.
- Identify and analyze vulnerabilities, including but not limited to reentrancy, integer overflows, access control issues, and gas limitations.
- Utilize a variety of security tools, static analysis techniques, and manual review processes to uncover potential risks.
- Develop detailed and actionable audit reports for clients, clearly outlining findings, risk assessments, and remediation strategies.
- Stay ahead of the curve by researching and understanding new attack vectors and emerging security threats in the blockchain space.
- Collaborate with development teams to provide guidance on secure coding practices and architectural improvements.
- Contribute to the development and refinement of internal security auditing methodologies and best practices.
- Mentor junior security analysts and share expertise within the team.
- Communicate complex technical security issues effectively to both technical and non-technical audiences.
- Engage in threat modeling and risk assessment activities for new blockchain projects.
- Demonstrated experience in smart contract auditing, cybersecurity, or a related role with a focus on blockchain security.
- Expertise in analyzing smart contracts written in Solidity and understanding the Ethereum Virtual Machine (EVM).
- Strong knowledge of common smart contract vulnerabilities and exploit techniques.
- Proficiency with blockchain security analysis tools (e.g., Slither, Mythril, Echidna, Securify) and secure coding frameworks.
- Solid understanding of cryptographic principles and general blockchain architecture.
- Excellent analytical and problem-solving skills with an exceptional eye for detail.
- Strong written and verbal communication skills, capable of producing clear and comprehensive reports.
- Ability to work independently and manage time effectively in a remote setting.
- Bachelor's degree in Computer Science, Cybersecurity, or a related technical discipline, or equivalent professional experience.
- Previous experience in bug bounty programs or CTF competitions is highly advantageous.
This fully remote position offers ultimate flexibility and work-life balance. Our client provides a highly competitive salary, comprehensive health, dental, and vision insurance, and performance‑based bonuses. We invest in our employees' growth through access to cutting‑edge tools, industry conferences, and continuous learning opportunities.
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