Job Summary

Global MNC Tech is seeking a highly skilled and detail-oriented Blockchain Security Auditor to join our global remote team. This role is critical in ensuring the security, reliability, and robustness of blockchain-based systems and smart contracts deployed across decentralized platforms. As a Blockchain Security Auditor, you will be responsible for identifying vulnerabilities, preventing exploits, and enhancing the overall security posture of our blockchain infrastructure.

You will work closely with blockchain developers, product managers, and DevSecOps teams to assess smart contract code, perform security audits, and contribute to building secure decentralized applications (dApps) used by millions of users worldwide. This is an exciting opportunity for professionals passionate about cryptography, Web3, and cutting-edge security practices.

Key Responsibilities

• Conduct comprehensive security audits of smart contracts written in Solidity, Rust, or Vyper.

• Identify vulnerabilities such as reentrancy attacks, overflow/underflow, access control flaws, and logic errors.

• Perform manual and automated code reviews using industry-standard security tools.

• Design and execute penetration testing strategies for blockchain applications and protocols.

• Prepare detailed audit reports, including risk assessments and remediation recommendations.

• Collaborate with engineering teams to fix identified vulnerabilities and improve secure coding practices.

• Monitor blockchain threat landscapes and emerging attack vectors.

• Contribute to the development of internal security frameworks and best practices.

• Support incident response in case of smart contract breaches or exploits.

Required Skills and Qualifications

• Strong expertise in blockchain technologies and decentralized systems.

• Proficiency in smart contract languages such as Solidity, Rust, or Vyper.

• Solid understanding of cryptography, consensus mechanisms, and DeFi protocols.

• Experience with security tools such as Slither, MythX, Foundry, Hardhat, and Echidna.

• Strong analytical and problem-solving skills.

• Ability to write clear and actionable technical documentation.

• Familiarity with Web3 ecosystems, wallets, and token standards (ERC-20, ERC-721, ERC-1155).

• Excellent communication skills and ability to work in a distributed global team.

Experience

• 3+ years of experience in blockchain development, security engineering, or smart contract auditing.

• Proven track record of conducting security audits for blockchain-based applications.

• Experience working with DeFi, NFTs, DAOs, or Layer 2 solutions is highly desirable.

• Prior exposure to bug bounty programs or security research is a strong advantage.

Working Hours

• Fully remote role with flexible working hours.

• Core collaboration hours aligned with global teams (overlap with US/Europe time zones preferred).

• Results-driven environment with emphasis on deliverables rather than fixed schedules.

Knowledge, Skills, and Abilities

• Deep understanding of blockchain attack surfaces and exploit methodologies.

• Ability to think like an attacker and proactively identify security weaknesses.

• Strong attention to detail and commitment to high-quality standards.

• Capability to manage multiple audits simultaneously and meet deadlines.

• Continuous learner with passion for emerging technologies in Web3 and cybersecurity.

• High level of integrity, confidentiality, and ethical responsibility.

Benefits

• Competitive global salary package.

• 100% remote work with location independence.

• Flexible working schedule and work-life balance.

• Access to cutting-edge blockchain and Web3 projects.

• Learning and certification support in cybersecurity and blockchain.

• Performance-based bonuses and long-term career growth opportunities.

• Inclusive and diverse international work culture.

Why Join Global MNC Tech?

At Global MNC Tech, you will be part of a forward-thinking organization driving innovation in blockchain and decentralized technologies. We foster a culture of continuous learning, collaboration, and technical excellence. As a Blockchain Security Auditor, your work will directly impact the safety and trust of next-generation digital platforms used worldwide.

This role offers not just a job, but a chance to shape the future of secure decentralized systems while working with some of the brightest minds in the industry.

How to Apply

Interested candidates should submit their updated resume along with:

• A brief cover letter explaining your experience in blockchain security.

• Examples of previous smart contract audits or GitHub repositories (if available).

• Any relevant certifications or research publications.

Applications will be reviewed on a rolling basis. Shortlisted candidates will be invited for technical interviews and security assessments.