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Blockchain Security Analyst - Threat Detection & Prevention

Remote / Online - Candidates ideally in
Rustenburg, 0202, South Africa
Listing for: Placements24
Remote/Work from Home position
Listed on 2026-10-20
Job specializations:
  • IT/Tech
    Cybersecurity, Blockchain / Web3, Information Security & Data Protection, Security Management & Operations
Job Description & How to Apply Below
About the Role

Our client is a premier firm within the Crypto & Blockchain ecosystem, seeking a meticulous Blockchain Security Analyst to safeguard their digital assets and infrastructure in Rustenburg, North West
. In this critical role, you will be responsible for identifying vulnerabilities, analyzing threats, and implementing robust security measures across our blockchain platforms and related systems. The ideal candidate possesses a sharp analytical mind, a deep understanding of blockchain security principles, and a proactive approach to threat detection and prevention. You will play a key part in ensuring the integrity and trustworthiness of our operations, working within a supportive and innovative environment in Rustenburg
.

Key Responsibilities
  • Monitor blockchain networks for suspicious activities, anomalies, and security breaches.
  • Conduct security audits and penetration testing on smart contracts and blockchain applications.
  • Analyze transaction patterns and blockchain data to identify potential fraud or illicit activities.
  • Develop and implement security policies, procedures, and incident response plans.
  • Investigate security incidents, determine root causes, and recommend corrective actions.
  • Stay informed about the latest security threats, vulnerabilities, and best practices in the blockchain space.
  • Collaborate with development and operations teams to integrate security measures into the SDLC.
  • Prepare regular security reports and present findings to management and relevant teams.
  • Advise on security implications of new blockchain technologies and protocols.
Requirements
  • Bachelor's degree in Cybersecurity, Computer Science, or a related field.
  • Proven experience in cybersecurity, with a specialization in blockchain security.
  • Strong understanding of blockchain technologies, including consensus mechanisms and cryptography.
  • Experience with security analysis tools and techniques for blockchain platforms.
  • Knowledge of common smart contract vulnerabilities and exploitation methods.
  • Familiarity with threat modeling and risk assessment methodologies.
  • Excellent analytical, problem-solving, and investigative skills.
  • Proficiency in at least one smart contract programming language (e.g., Solidity).
  • Ability to work independently and as part of a remote team.
  • Relevant certifications (e.g., CISSP, CISM) are a plus.
Benefits
  • Competitive salary and performance-based bonuses.
  • Fully remote work arrangement, offering maximum flexibility.
  • Opportunities for professional growth and advanced training in cybersecurity.
  • Access to cutting-edge security tools and technologies.
  • A dynamic and collaborative work culture focused on innovation.
  • Contribution to securing the future of Crypto & Blockchain from Rustenburg
    .
  • Comprehensive employee assistance program.
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