Blockchain Security Analyst

Placements24; Bloemfontein; Hybrid; ZAR 600,000 - 1,200,000; Full time

Job summary

Placements24 is hiring a Blockchain Security Analyst to work remotely. You will safeguard blockchain infrastructure, smart contracts, and decentralized apps, performing audits, threat analyses, and incident response planning from a home office.

The role emphasizes rigorous security assessments, vulnerability management, and proactive protection of digital assets in a cutting‑edge crypto and blockchain environment.

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, or related field.
• Proven experience as a Security Analyst or similar role with a blockchain security focus.
• In-depth knowledge of smart contract security and common vulnerabilities (e.g., reentrancy).
• Familiarity with Ethereum, Solana, and security analysis tools.

Responsibilities

• Perform security audits and code reviews of smart contracts and blockchain protocols.
• Identify and analyze security vulnerabilities, threats, and attack vectors.
• Develop and implement security best practices and incident response plans for blockchain systems.
• Monitor blockchain networks for suspicious activities and potential security breaches.
• Conduct penetration testing and vulnerability assessments on decentralized applications.

Skills

Blockchain security

Security auditing

Threat modeling

Cryptography

Secure coding

Education

Bachelor's degree

Tools

Auditing tools

Job description

About the Role

Our client is seeking a vigilant and detail-oriented Blockchain Security Analyst to join their expanding team, operating entirely remotely. In this critical role, you will be responsible for safeguarding our client's blockchain infrastructure, smart contracts, and decentralized applications from potential threats and vulnerabilities. You will conduct rigorous security assessments, identify risks, and implement robust security measures to protect digital assets and ensure the integrity of our blockchain operations. This is a prime opportunity for a cybersecurity expert passionate about the Crypto & Blockchain space to contribute to a secure and trusted decentralized future, from the comfort of their home office.

Key Responsibilities

• Perform security audits and code reviews of smart contracts and blockchain protocols.
• Identify and analyze potential security vulnerabilities, threats, and attack vectors.
• Develop and implement security best practices and incident response plans for blockchain systems.
• Monitor blockchain networks for suspicious activities and potential security breaches.
• Conduct penetration testing and vulnerability assessments on decentralized applications.

Requirements

• Bachelor's degree in Cybersecurity, Computer Science, or a related field.
• Proven experience as a Security Analyst or similar role, with a strong focus on blockchain security.
• In-depth knowledge of smart contract security, common vulnerabilities (e.g., reentrancy, integer overflow), and mitigation techniques.
• Familiarity with blockchain platforms (e.g., Ethereum, Solana) and security analysis tools.
• Strong understanding of cryptography, network security, and secure coding principles.

Benefits

• Highly competitive salary and comprehensive benefits package.
• Fully remote work arrangement offering maximum flexibility.
• Opportunities to work with cutting-edge technologies in the blockchain security domain.
• Professional development support, including certifications and training.
• A challenging and rewarding role focused on protecting critical digital assets and ensuring trust in decentralized systems.