Blockchain Security Engineer

Placements24

Randfontein

Remote

ZAR 2,001,000 - 3,001,000

Full time

6 days ago

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Benefits offered by this job

Fully remote

Competitive salary with bonuses

Exposure to cutting-edge blockchain

Opportunity to shape security posture

Health and wellness benefits

Professional development and training

Collaborative and innovative culture

Job summary

Placements24 is seeking a Blockchain Security Engineer for a remote role with a leading crypto exchange platform. You will safeguard smart contracts, DApps, and blockchain infrastructure, perform audits, and build proactive defense measures in a fast-paced environment.

You’ll collaborate with global teams to embed security into the SDLC, respond to incidents, and stay ahead of threats with cutting-edge tooling and best practices. This is a high-impact, remote-first opportunity.

Qualifications

Bachelor's degree in Computer Science, Cybersecurity, or a related technical field.
3-5 years of cybersecurity experience with a focus on blockchain and smart contract security.
Proficiency in auditing Solidity smart contracts.
Experience with security analysis tools and techniques for blockchain networks.
Knowledge of common blockchain vulnerabilities (e.g., reentrancy, integer overflow).
Familiarity with cryptography principles and their blockchain applications.
Experience with penetration testing and vulnerability assessment methodologies.
Strong understanding of network security and web application security.
Excellent analytical and problem-solving skills; able to work independently in a remote team.

Responsibilities

Perform comprehensive security audits and penetration testing on smart contracts, DApps, and blockchain protocols.
Identify vulnerabilities, exploits, and security risks in the blockchain ecosystem.
Develop and implement robust security measures, including secure coding practices and threat modeling.
Design and deploy security tools and frameworks for monitoring and alerting on suspicious activities.
Investigate and respond to security incidents with detailed analysis and remediation plans.
Collaborate with development teams to integrate security into the SDLC.
Stay updated on the latest security threats and attack vectors in the blockchain space.
Contribute to the development of security policies and procedures.
Educate internal teams on blockchain security best practices.

Skills

Blockchain security

Smart contract auditing

Penetration testing

Threat modeling

Cryptography basics

Security in SDLC

Network security

Web security

Analytical thinking

Remote collaboration

Education

Bachelor's degree in Computer Science

Tools

Security analysis tools

Penetration testing tooling

Job description

About the Role

Our client, a prominent player in the cryptocurrency exchange and trading platform sector, is actively searching for a dedicated Blockchain Security Engineer to join their growing team.

This crucial role will be based remotely, allowing candidates from Rustenburg, North West and beyond to apply.

The successful engineer will be responsible for safeguarding our blockchain infrastructure, smart contracts, and digital assets against emerging threats. You will conduct rigorous security audits, develop proactive defense strategies, and respond to security incidents with speed and precision. This is an exciting opportunity to work at the forefront of blockchain security, ensuring the integrity and trustworthiness of our platforms in a high-stakes environment. We are committed to maintaining the highest standards of security, and this role is central to that mission.

You will have the autonomy to implement best practices and innovative solutions, contributing directly to the safety of our users and the resilience of our systems. The remote-first nature of this position ensures that you can perform your duties effectively from anywhere, while still being an integral part of our global team.

Key Responsibilities

Perform comprehensive security audits and penetration testing on smart contracts, DApps, and blockchain protocols.
Identify vulnerabilities, potential exploits, and security risks in the blockchain ecosystem.
Develop and implement robust security measures, including secure coding practices and threat modeling.
Design and deploy security tools and frameworks for monitoring and alerting on suspicious activities.
Investigate and respond to security incidents, providing detailed analysis and remediation plans.
Collaborate with development teams to integrate security best practices into the software development lifecycle (SDLC).
Stay updated on the latest security threats, vulnerabilities, and attack vectors in the blockchain space.
Contribute to the development of security policies and procedures.
Educate internal teams on blockchain security best practices.

Requirements

Bachelor's degree in Computer Science, Cybersecurity, or a related technical field.
3-5 years of experience in cybersecurity, with a strong focus on blockchain and smart contract security.
Proficiency in auditing smart contracts written in languages like Solidity.
Experience with security analysis tools and techniques for blockchain networks.
Knowledge of common blockchain vulnerabilities and attack patterns (e.g., reentrancy, integer overflow).
Familiarity with cryptography principles and their application in blockchain.
Experience with penetration testing and vulnerability assessment methodologies.
Strong understanding of network security and web application security.
Excellent analytical and problem-solving skills, with a keen eye for detail.
Ability to work independently and effectively in a remote team environment.

Benefits