Hybrid Blockchain Security Consultant: Protect Contracts

Placements24; Upington; Hybride; ZAR 900 000 - 1 500 000; Plein temps

Résumé du poste

Placements24 is seeking an experienced Blockchain Security Consultant for a hybrid role based in Upington, Northern Cape. You will advise clients on securing blockchain infrastructure, smart contracts, and dApps, and lead security assessments across diverse platforms.

The role requires deep knowledge of Ethereum, Bitcoin, Solana, Solidity, and related vulnerabilities, with a focus on practical risk mitigation and clear, actionable reporting.

Qualifications

• Proven experience as a Cybersecurity Consultant, Penetration Tester, or Security Analyst with a strong focus on blockchain and smart contracts.
• In-depth knowledge of various blockchain technologies (e.g., Ethereum, Bitcoin, Solana) and their security implications.
• Expertise in smart contract auditing, including languages like Solidity.
• Familiarity with common blockchain vulnerabilities (e.g., reentrancy, 51% attacks, front-running).
• Experience with security testing tools and methodologies.
• Strong understanding of cryptography, network security, and system architecture.
• Excellent analytical, problem-solving, and critical thinking skills.
• Superb written and verbal communication skills, with the ability to explain complex technical issues clearly.
• Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
• Relevant certifications (e.g., CISSP, OSCP) are a plus.

Responsabilités

• Conduct thorough security audits and penetration testing of blockchain platforms, smart contracts, and dApps.
• Analyze codebases for vulnerabilities, backdoors, and potential exploits.
• Develop and implement security best practices and guidelines for blockchain projects.
• Advise clients on secure architecture design and deployment strategies.
• Perform risk assessments and threat modeling for blockchain-based systems.
• Investigate security incidents and provide post-incident response support.
• Stay current with the latest advancements in blockchain security threats, tools, and mitigation techniques.
• Prepare detailed technical reports and present findings and recommendations to clients.
• Collaborate with client development teams to remediate identified vulnerabilities.
• Contribute to the firm's knowledge base and develop new security methodologies.

Connaissances

Blockchain security

Penetration testing

Threat modeling

Cryptography

Security analytics

Technical reporting

Smart contract auditing

Solidity

Formation

Bachelor's degree in Computer Science or Cybersecurity

CISSP or OSCP certifications

Outils

Security testing tools

Description du poste

Placements24 is seeking an experienced Blockchain Security Consultant for a hybrid role based in Upington, Northern Cape. You will advise clients on securing blockchain infrastructure, smart contracts, and dApps, and lead security assessments across diverse platforms.

The role requires deep knowledge of Ethereum, Bitcoin, Solana, Solidity, and related vulnerabilities, with a focus on practical risk mitigation and clear, actionable reporting.