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Senior Blockchain Security Engineer
Remote / Online - Candidates ideally in
South Africa
Listed on 2026-09-06
South Africa
Listing for:
Placements24
Remote/Work from Home
position Listed on 2026-09-06
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 seeking a highly experienced Senior Blockchain Security Engineer for a fully remote position. This role is paramount in safeguarding their blockchain infrastructure, smart contracts, and digital assets against evolving cyber threats. You will lead security initiatives, conduct rigorous audits, and develop cutting-edge security solutions to ensure the integrity and trustworthiness of their decentralized platforms. This is an exceptional opportunity for a seasoned security professional to make a significant impact in the blockchain space.
Key Responsibilities- Lead the design and implementation of security architectures for blockchain platforms and applications.
- Perform in-depth security audits and penetration testing of smart contracts, dApps, and related infrastructure.
- Develop and maintain security best practices, policies, and incident response plans for blockchain environments.
- Identify, analyze, and mitigate security vulnerabilities and threats proactively.
- Collaborate with development and operations teams to embed security throughout the software development lifecycle.
- Stay at the forefront of blockchain security research, identifying emerging risks and proposing innovative solutions.
- Extensive experience in cybersecurity, with a deep focus on blockchain security and smart contract auditing.
- Expert knowledge of common smart contract vulnerabilities (e.g., reentrancy, integer overflows) and mitigation strategies.
- Proficiency in security analysis tools, code review techniques, and penetration testing methodologies for blockchain systems.
- Strong understanding of cryptographic principles, consensus mechanisms, and distributed ledger technologies.
- Experience with smart contract programming languages (e.g., Solidity) and development frameworks.
- Excellent communication skills, with the ability to articulate complex security concepts to diverse audiences.
- A highly competitive salary and comprehensive benefits package.
- Fully remote work arrangement with flexibility in working hours.
- Access to advanced security tools and training resources.
- Significant opportunities for professional development and career advancement in a rapidly growing field.
- The chance to work on impactful projects and contribute to a secure decentralized future.
Position Requirements
10+ Years
work experience
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