Blockchain Security Engineer — Threat & Audit Specialist

Placements24; Stellenbosch; On-site; ZAR 600,000 - 1,000,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Professional certifications

Job summary

Placements24 is seeking a Blockchain Security Engineer in Stellenbosch to safeguard blockchain infrastructure, smart contracts, and dApps from emerging threats. You will conduct security assessments, model threats, and implement strong defenses across development lifecycles.

The role requires deep knowledge of blockchain vulnerabilities, cryptographic principles, and security testing. Collaboration with cross-functional teams is essential to drive secure-by-design practices in crypto projects.

Qualifications

• Proven cybersecurity experience with a focus on blockchain security or smart contract auditing.
• In-depth knowledge of blockchain vulnerabilities, attack vectors, and mitigation strategies.
• Experience with security analysis tools and techniques for smart contracts (e.g., Solidity, Vyper).
• Understanding of cryptographic principles and secure coding practices; familiarity with secure development lifecycles.

Responsibilities

• Conduct security assessments and audits of blockchain protocols, smart contracts, and dApps.
• Identify and mitigate security risks and vulnerabilities across the platform.
• Develop and implement security measures to protect against cyber threats and exploits.
• Perform penetration testing and vulnerability scanning on blockchain systems.
• Stay informed about the latest security trends, threats, and best practices in the blockchain space.
• Collaborate with development teams to ensure security is integrated throughout the development lifecycle.

Skills

Blockchain security

Smart contract auditing

Threat modeling

Security testing

Cryptography

Security in cloud/network

Tools

Solidity

Vyper

Security analysis tools

Job description

Placements24 is seeking a Blockchain Security Engineer in Stellenbosch to safeguard blockchain infrastructure, smart contracts, and dApps from emerging threats. You will conduct security assessments, model threats, and implement strong defenses across development lifecycles.

The role requires deep knowledge of blockchain vulnerabilities, cryptographic principles, and security testing. Collaboration with cross-functional teams is essential to drive secure-by-design practices in crypto projects.