Blockchain Security Engineer

Placements24; Benoni; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Remote work flexibility

Health, dental, vision insurance

Career development opportunities

Job summary

Placements24 is seeking a Blockchain Security Engineer to safeguard our blockchain infrastructure, smart contracts, and digital assets. This remote role may involve operations linked to Benoni, with a focus on threat detection, prevention, and incident response.

You will audit contracts, networks, and tools, implement security best practices, and collaborate with developers to integrate security across the software lifecycle. A proactive, security-first mindset is essential.

Qualifications

• Bachelor's degree in CS/Cybersecurity or related field.
• 3–5 years in cybersecurity with blockchain security focus.
• Strong knowledge of smart contract vulnerabilities (reentrancy, overflows).
• Experience with security auditing tools and methodologies for blockchain apps.
• Proficiency in Solidity, Go, Rust.

Responsibilities

• Conduct security audits and penetration testing of smart contracts, networks, and related apps.
• Develop and implement security best practices and tooling for blockchain environments.
• Monitor networks for suspicious activity, exploits, and breaches.
• Respond to incidents, investigate root causes, and implement fixes.
• Collaborate with development teams to embed security in SDLC.
• Stay current with emerging threats and security tech in blockchain/crypto.

Skills

Blockchain security

Smart contracts

Auditing tools

Solidity

Go

Rust

Cryptography

Incident response

Network security

Education

Bachelor's degree in Computer Science/CCybersecurity

Tools

Security auditing tools

Job description

About the Role

Our client is seeking a highly skilled Blockchain Security Engineer to join their innovative team, supporting operations potentially linked to Benoni , but operating remotely. This critical role focuses on safeguarding their blockchain infrastructure, smart contracts, and digital assets from various threats. You will be responsible for identifying vulnerabilities, implementing robust security measures, and responding to security incidents. The ideal candidate has a strong background in cybersecurity, a deep understanding of blockchain protocols, and a proactive approach to threat detection and prevention in the rapidly evolving crypto landscape.

Key Responsibilities

• Conduct security audits and penetration testing of smart contracts , blockchain networks, and related applications.
• Develop and implement security best practices, protocols, and tools for blockchain environments.
• Monitor blockchain networks for suspicious activity, potential exploits, and security breaches.
• Respond to security incidents, investigate root causes, and implement corrective actions.
• Collaborate with development teams to ensure security is integrated throughout the software development lifecycle.
• Stay current with emerging threats, vulnerabilities, and security technologies in the blockchain and crypto space.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, or a related field.
• 3-5 years of experience in cybersecurity, with a specialization in blockchain security .
• Strong understanding of smart contract vulnerabilities (e.g., reentrancy, overflows) and mitigation techniques.
• Experience with security auditing tools and methodologies for blockchain applications.
• Proficiency in programming languages commonly used in blockchain (e.g., Solidity, Go, Rust).
• Familiarity with network security, cryptography, and incident response procedures.

Benefits

• Competitive salary and attractive bonus structure.
• The flexibility of a remote work arrangement.
• Opportunity to work on high-impact security challenges in the blockchain industry .
• Comprehensive health, dental, and vision insurance.
• Continuous professional development and training opportunities.