Blockchain Security Auditor

Placements24; Welkom; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Hybrid work model

Training opportunities

In-office collaboration Welkom

Job summary

Placements24 is seeking a Blockchain Security Auditor to join their team in Welkom, Free State, ZA. This hybrid role focuses on securing smart contracts, dApps, and blockchain networks, conducting in-depth security assessments, and providing remediation guidance.

You will analyze protocols, identify vulnerabilities, and collaborate with developers to implement fixes, staying current with security trends. The position offers hybrid work and opportunities to work on diverse blockchain projects.

Qualifications

• Bachelor's degree in CS, cybersecurity, IT, or related field.
• 3+ years auditing smart contracts and performing security analyses.
• Proficient in Solidity, Vyper, Rust, or C++.
• Knowledge of common vulnerabilities (reentrancy, overflow, timestamps).
• Experience with Mythril, Slither, SpectX and similar tools.

Responsibilities

• Audit smart contracts on Ethereum, Binance Smart Chain, Polygon.
• Identify vulnerabilities, design flaws in code and architecture.
• Perform penetration testing on dApps and blockchain infrastructure.
• Analyze transaction flows and network activity for suspicious behavior.
• Provide clear, prioritized reports with remediation steps.
• Develop and maintain security audit checklists and methodologies.
• Stay up-to-date with security threats and best practices.

Skills

Smart contract auditing

Security analysis

Blockchain protocols

Penetration testing

Analytical skills

Communication

Education

BSc in CS/Cybersecurity

Tools

Mythril

Slither

SpectX

Job description

About the Role

Our client, a highly respected firm specializing in cybersecurity for the blockchain industry, is seeking a diligent Blockchain Security Auditor to join their esteemed team in Welkom, Free State, ZA . This hybrid role is critical in ensuring the integrity and security of decentralized applications, smart contracts, and blockchain networks. You will be responsible for conducting in-depth security assessments, identifying vulnerabilities, and providing expert recommendations to mitigate risks. The ideal candidate possesses a deep understanding of blockchain protocols, smart contract languages, and common security exploits. Your meticulous attention to detail and analytical prowess will be instrumental in safeguarding our clients' digital assets. Join a team dedicated to building trust and security within the rapidly evolving world of cryptocurrency and blockchain technology.

Key Responsibilities

• Perform comprehensive security audits of smart contracts across various blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
• Identify vulnerabilities, potential exploits, and design flaws in blockchain code and architecture.
• Conduct penetration testing and security assessments of dApps and blockchain infrastructure.
• Analyze transaction flows and network activity for suspicious or malicious behavior.
• Provide clear, concise, and actionable reports with prioritized recommendations for security improvements.
• Develop and maintain security audit checklists and methodologies.
• Stay up-to-date with the latest security threats, vulnerabilities, and best practices in the blockchain space.
• Collaborate with development teams to understand codebases and assist in remediation efforts.
• Contribute to the development of automated security scanning tools and frameworks.
• Advise clients on security best practices for blockchain development and deployment.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Proven experience in smart contract auditing and security analysis (minimum 3 years).
• Proficiency in analyzing code written in languages like Solidity, Vyper, Rust, or C++.
• Strong understanding of common smart contract vulnerabilities (e.g., reentrancy, integer overflow, timestamp dependency).
• Experience with blockchain security tools and frameworks (e.g., Mythril, Slither, SpectX).
• Knowledge of various blockchain protocols and their underlying security mechanisms.
• Familiarity with penetration testing methodologies and tools.
• Excellent analytical and problem-solving skills.
• Strong written and verbal communication skills, with the ability to explain complex technical issues clearly.
• Ability to work effectively in a hybrid environment, balancing remote and in-office collaboration.

Benefits

Our client offers a competitive salary and a comprehensive benefits package. This hybrid role provides a blend of remote flexibility and in-office collaboration in Welkom, Free State, ZA . You will have access to continuous training and development opportunities to stay at the forefront of blockchain security. Opportunity to work with a diverse range of innovative blockchain projects and clients. Be part of a respected team that is making a significant impact on the security and reliability of the blockchain ecosystem. Join us to build a more secure future for digital assets.