Blockchain Security Engineer

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

Benefits offered by this job

Competitive salary

Fully remote

Global collaboration

Professional development

Security-focused culture

Job summary

Placements24 is seeking a highly skilled Blockchain Security Engineer to join a distributed team, focusing on securing blockchain infrastructure and applications. You will conduct audits, implement security measures, monitor for incidents, and stay updated on crypto security practices.

This fully remote role offers the opportunity to work on high‑impact security challenges in the evolving blockchain ecosystem.

Qualifications

• Proven experience as a Security Engineer with a specialization in blockchain technology and cybersecurity.
• Strong understanding of cryptographic principles, consensus mechanisms, and smart contract security.
• Experience with security analysis tools, penetration testing, and threat modeling.

Responsibilities

• Conduct security audits and penetration testing on blockchain networks, smart contracts, and dApps.
• Develop and implement robust security measures and protocols to protect against threats.
• Monitor blockchain activities for suspicious behavior and respond to security incidents promptly.
• Research and stay updated on the latest security vulnerabilities and best practices in the crypto space.
• Collaborate with development teams to ensure secure coding practices and architecture design.
• Contribute to the development of security tools and frameworks for the blockchain ecosystem.

Skills

Blockchain security

Cybersecurity

Threat modeling

Penetration testing

Solidity

Python

Go

Tools

Security analysis tools

Job description

About the Role

Our client is seeking a highly skilled and vigilant Blockchain Security Engineer to join their distributed team, focusing on securing their cutting‑edge blockchain infrastructure and applications. In this crucial role, you will be responsible for identifying, assessing, and mitigating security risks across various blockchain platforms and protocols. Your expertise will be vital in safeguarding digital assets and ensuring the integrity of our client’s operations within the crypto and blockchain ecosystem. This is an excellent opportunity to contribute to security at the forefront of technological innovation.

Key Responsibilities

• Conduct security audits and penetration testing on blockchain networks, smart contracts, and decentralized applications (dApps).
• Develop and implement robust security measures and protocols to protect against threats.
• Monitor blockchain activities for suspicious behavior and respond to security incidents promptly.
• Research and stay updated on the latest security vulnerabilities and best practices in the crypto space.
• Collaborate with development teams to ensure secure coding practices and architecture design.
• Contribute to the development of security tools and frameworks for the blockchain ecosystem.

Requirements

• Proven experience as a Security Engineer with a specialization in blockchain technology and cybersecurity.
• Strong understanding of cryptographic principles, consensus mechanisms, and smart contract security.
• Proficiency in identifying and mitigating common blockchain vulnerabilities.
• Experience with security analysis tools, penetration testing, and threat modeling.
• Excellent problem‑solving and analytical skills, with the ability to work autonomously.
• Familiarity with programming languages such as Solidity, Go, or Python.

Benefits

• Competitive salary and comprehensive benefits package.
• Fully remote work environment, allowing for global collaboration.
• Opportunity to work on high‑impact security challenges in the rapidly evolving blockchain industry.
• Continuous learning and professional development in cybersecurity and crypto technologies.
• A culture that prioritizes security, innovation, and technical excellence.