Blockchain Security Engineer - Audit, Defend & Secure dApps

Placements24; Mbombela (Nelspruit); Hybrid; ZAR 600,000 - 1,000,000; Full time

Benefits offered by this job

Competitive salary and comprehensive福利

Flexible working arrangements

Generous annual leave

Access to advanced security tools and 

Team-based, collaborative environment

Job summary

Placements24 seeks a Blockchain Security Analyst to identify and mitigate security risks across our blockchain ecosystem, including smart contracts, dApps, and network infrastructure. You will safeguard assets and user data, ensuring platform integrity and trust.

You will conduct audits, monitor threats, and collaborate with developers to embed security best practices. The role requires a proactive, detail‑oriented professional with relevant certifications and strong cryptography knowledge.

Qualifications

• Bachelor's degree required in a related field.
• Strong focus on blockchain and cryptocurrency security; practical audit experience welcomed.
• Familiarity with Ethereum, Solidity and development tools is preferred.

Responsibilities

• Conduct security audits and vulnerability assessments of smart contracts and dApps.
• Analyze blockchain transaction patterns to detect fraud or exploits.
• Develop and implement security monitoring tools for blockchain networks.
• Investigate incidents, determine root causes, and propose remediations.
• Research emerging blockchain threats and provide proactive defenses.
• Collaborate with developers to embed security into the lifecycle.
• Create security policies, guidelines, and documentation for operations.
• Perform penetration testing on blockchain infrastructure and apps.
• Stay updated on security trends, tools, and techniques.

Skills

Blockchain security

Smart contract auditing

Ethereum & Solidity

Vulnerability assessment

Penetration testing

Security tools & analysis

Cryptography

Analytical thinking

Education

Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field

Tools

Security analysis tools

Job description

Placements24 seeks a Blockchain Security Analyst to identify and mitigate security risks across our blockchain ecosystem, including smart contracts, dApps, and network infrastructure. You will safeguard assets and user data, ensuring platform integrity and trust.

You will conduct audits, monitor threats, and collaborate with developers to embed security best practices. The role requires a proactive, detail‑oriented professional with relevant certifications and strong cryptography knowledge.