Blockchain Security Architect — Hybrid Role

Placements24; Polokwane; Hybrid; ZAR 900,000 - 1,600,000; Full time

Benefits offered by this job

Medical aid

Retirement fund

Hybrid work model

Professional development

Job summary

Placements24 in Polokwane, Limpopo, South Africa, is seeking a Senior Blockchain Security Specialist to safeguard blockchain infrastructure and smart contracts. This hybrid position combines office collaboration with remote flexibility to protect digital assets.

The ideal candidate will possess deep knowledge of blockchain security, vulnerability analysis, and risk management, with hands-on experience in secure coding for DApps and leading security initiatives.

Qualifications

• Bachelors or Masters in CS, Cybersecurity, IT or related field.
• Minimum 6 years in cybersecurity with at least 3 years in blockchain security.
• Deep knowledge of blockchain protocols, cryptography and consensus.
• Proven smart contract auditing and vulnerability analysis experience.
• Experience with penetration testing methods and tools.
• Familiarity with security frameworks and compliance standards.

Responsibilities

• Conduct security assessments of blockchain platforms, protocols and smart contracts.
• Perform penetration testing, vulnerability scanning and code reviews.
• Develop and implement security policies and controls for blockchain environments.
• Investigate and respond to security incidents with remediation strategies.
• Stay updated on threats and mitigation techniques in blockchain tech.
• Design security architectures for new blockchain projects.
• Advise development teams on secure coding for smart contracts and DApps.
• Manage and maintain security tools and technologies.
• Contribute to security awareness training for staff.
• Collaborate with internal and external stakeholders on security matters.

Skills

Blockchain security

Penetration testing

Smart contract auditing

Cryptography

Python scripting

Vulnerability analysis

Incident response

Security architecture

Education

Bachelor's or Master's in CS/IT/Cybersecurity

Tools

Static/dynamic analysis tools

Smart contract auditing tools

Job description

Placements24 in Polokwane, Limpopo, South Africa, is seeking a Senior Blockchain Security Specialist to safeguard blockchain infrastructure and smart contracts. This hybrid position combines office collaboration with remote flexibility to protect digital assets.

The ideal candidate will possess deep knowledge of blockchain security, vulnerability analysis, and risk management, with hands-on experience in secure coding for DApps and leading security initiatives.