Remote Blockchain Security Auditor

Placements24; Soweto; Hybrid; ZAR 900,000 - 1,200,000; Full time

Benefits offered by this job

Fully remote work

Flexible hours

Health & wellness benefits

Career growth in blockchain security

Job summary

Placements24 is seeking an expert Remote Blockchain Security Auditor to join a fully remote team. You will audit smart contracts, dApps, and blockchain protocols for a global client base, delivering detailed reports and remediation guidance.

The ideal candidate has 5+ years in cybersecurity with 3+ focus on smart contracts, strong Solidity knowledge, and experience with security tooling. This role offers fully remote work with international clients and growth opportunities in blockchain security.

Qualifications

• Bachelor's or Master’s degree in CS/Cybersecurity or related field.
• Minimum 5 years in cybersecurity with 3+ years in smart contract auditing and blockchain security.
• In-depth knowledge of Solidity and common vulnerabilities (reentrancy, overflows, front-running).
• Proficiency with smart contract tooling (Hardhat, Truffle, Foundry, Slither, Mythril).
• Strong analytical, problem-solving and remote collaboration skills.

Responsibilities

• Perform security audits of smart contracts across blockchain platforms (Ethereum, etc.).
• Conduct code reviews to identify vulnerabilities and attack vectors.
• Use static and dynamic analysis tools to detect flaws and performance issues.
• Develop scripts/tools to assist the auditing process and generate audit reports.
• Explain findings to development teams and guide remediation steps.
• Stay updated on new security threats and best practices.

Skills

Smart contract security

Analytical thinking

Code review

Remote communication

Cryptography

Education

Bachelor's or Master's in Computer Science or Cybersecurity

Tools

Hardhat

Truffle

Foundry

Slither

Mythril

Job description

About the Role

Our client, a premier cybersecurity firm specializing in the blockchain and cryptocurrency domain, is seeking an expert Remote Blockchain Security Auditor to join their fully remote team. This role is crucial for ensuring the integrity and security of smart contracts, dApps, and blockchain protocols for a global clientele. You will conduct rigorous security audits, identify vulnerabilities, and provide actionable recommendations to mitigate risks. The ideal candidate possesses deep technical expertise in smart contract security, extensive knowledge of various blockchain platforms, and a proven ability to find and exploit complex security flaws. This is an unparalleled opportunity for a security specialist to contribute to the safety of the decentralized ecosystem from any location.

Key Responsibilities

• Perform comprehensive security audits of smart contracts written in Solidity and other languages across various blockchain platforms (e.g., Ethereum, BSC, Polygon).
• Conduct thorough code reviews, identify vulnerabilities, and assess potential attack vectors.
• Utilize static and dynamic analysis tools to detect security flaws and performance issues.
• Develop custom scripts and tools to assist in the auditing process.
• Provide detailed, well-documented audit reports with clear explanations of identified vulnerabilities and remediation strategies.
• Stay current with the latest smart contract vulnerabilities, attack patterns, and security best practices.
• Engage with development teams to explain findings and guide them through the remediation process.
• Research and analyze emerging security threats within the blockchain space.
• Contribute to the development of internal security auditing frameworks and methodologies.

Requirements

• Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related technical field, or equivalent professional experience.
• Minimum of 5 years of experience in cybersecurity, with at least 3 years dedicated to smart contract auditing and blockchain security.
• In-depth knowledge of smart contract languages (especially Solidity) and common vulnerabilities (e.g., reentrancy, integer overflows, front-running, logic errors).
• Proficiency with smart contract development environments and tools (e.g., Hardhat, Truffle, Foundry, Slither, Mythril).
• Strong understanding of blockchain fundamentals, cryptography, and decentralized application architecture.
• Experience with formal verification techniques is a significant plus.
• Excellent analytical, problem-solving, and critical thinking skills.
• Superb written and verbal communication skills, with the ability to produce clear and concise audit reports for a remote team.
• Demonstrated ability to work independently and manage time effectively in a remote setting.
• Active participation in the blockchain security community (e.g., bug bounty programs, CTFs) is highly regarded.

Benefits

• Highly competitive salary and performance-based bonuses.
• Fully remote work arrangement with flexible hours.
• Comprehensive health and wellness benefits package.
• Significant opportunities for professional growth and development in blockchain security.
• Work on high-profile projects for leading companies in the Web3 space.
• Access to cutting-edge security tools and resources.