Senior Blockchain Security Auditor — Hybrid & Flexible Hours

Placements24; Windsor Park (TN); Hybrid; USD 73,000 - 109,000; Full time

Benefits offered by this job

Hybrid work model

Professional development budget

Conferences and certifications

Job summary

Placements24 is seeking a Senior Blockchain Security Auditor for a hybrid role in East London, SA. You will conduct comprehensive security assessments of smart contracts and dApps, identify vulnerabilities, and propose remediation strategies to diverse clients.

The role requires deep knowledge of Solidity, EVM internals, and cryptographic principles, with opportunities for professional growth and security conference participation.

Qualifications

• Master's degree or equivalent in CS/Cybersecurity.
• 5+ years in cybersecurity with focus on blockchain security and audits.
• Expert Solidity and deep EVM understanding.
• Proven ability to identify complex vulnerabilities in smart contracts.
• Strong cryptography knowledge and security best practices.

Responsibilities

• Perform security audits and code reviews for Solidity smart contracts.
• Identify vulnerabilities such as reentrancy, overflows, gas issues, access flaws.
• Develop penetration testing for dApps and blockchains.
• Conduct threat modeling and risk assessments for projects.
• Provide actionable remediation guidance to clients.
• Stay current on security threats and mitigation techniques.
• Contribute to internal tools, methodologies and best practices.
• Collaborate with developers to enforce secure coding standards.
• Mentor junior analysts and share knowledge.

Skills

Solidity expert

Ethereum basics

Analytical thinking

Technical writing

Communication skills

Education

Master's degree or equivalent in Computer Science or Cybersecurity

Tools

Security analysis tools

Fuzzing techniques

Formal verification methods

Job description

Placements24 is seeking a Senior Blockchain Security Auditor for a hybrid role in East London, SA. You will conduct comprehensive security assessments of smart contracts and dApps, identify vulnerabilities, and propose remediation strategies to diverse clients.

The role requires deep knowledge of Solidity, EVM internals, and cryptographic principles, with opportunities for professional growth and security conference participation.