What Blockchain Security Jobs are in South Africa?
Showing 77 Blockchain Security jobs in South Africa
Job Description
About the Role Our client, a leading innovator in the Crypto & Blockchain sector, is seeking a highly skilled and proactive Blockchain Security Engineer to join their dedicated team in Bloemfontein, Free State . This critical role is responsible for ensuring the security and integrity of our blockchain infrastructure, smart contracts, and decentralized applications. You will play a key part in identifying potential vulnerabilities, implementing robust security measures, and responding to security incidents. The ideal candidate possesses a deep understanding of blockchain security principles, experience with security tools, and a passion for protecting digital assets. This is an exciting opportunity to contribute to the safety and reliability of cutting-edge blockchain solutions within a collaborative team environment in Bloemfontein, Free State . Key Responsibilities
- Conduct security audits and penetration testing of smart contracts, blockchain protocols, and dApps.
- Identify, assess, and mitigate security risks and vulnerabilities within the blockchain ecosystem.
- Develop and implement security best practices for smart contract development and deployment.
- Monitor blockchain networks for suspicious activities and potential security threats.
- Respond to and manage security incidents, including forensic analysis and post-incident remediation.
- Develop and maintain security tools and frameworks to enhance the protection of blockchain assets.
- Collaborate with development teams to integrate security considerations into the entire software development lifecycle.
- Stay current with the latest security threats, vulnerabilities, and defense mechanisms in the blockchain space.
- Educate and advise development teams on secure coding practices and blockchain security principles.
- Contribute to the company's overall cybersecurity strategy and policy development.
- Proven experience in blockchain security, cybersecurity engineering, or a related field.
- In-depth knowledge of blockchain technologies, smart contract vulnerabilities, and common attack vectors.
- Experience with security auditing tools, static analysis, and penetration testing methodologies.
- Proficiency in smart contract programming languages (e.g., Solidity, Rust) is a strong advantage.
- Understanding of cryptographic principles and network security.
- Familiarity with incident response procedures and digital forensics.
- Strong analytical and problem-solving skills, with meticulous attention to detail.
- Excellent communication and teamwork abilities, with the capacity to work effectively in a Bloemfontein, Free State based team.
- Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
- Must be willing to work on-site in Bloemfontein, Free State .
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Job Description
About the Role Our client, a key player in the **Crypto & Blockchain** sector, is looking for a vigilant and detail-oriented Blockchain Security Analyst to join their team in Sandton, Gauteng . This role is essential for maintaining the integrity and security of our blockchain platforms, smart contracts, and associated infrastructure. You will be responsible for identifying potential security vulnerabilities, monitoring network activity, and responding to security incidents. The ideal candidate possesses a strong understanding of blockchain technology, cybersecurity principles, and a keen eye for detecting anomalies. This is an exciting opportunity to contribute to the security of innovative projects within the bustling financial hub of Sandton . We seek a proactive individual who can work diligently to protect our digital assets and user data. The role requires a dedicated on-site presence to ensure immediate response capabilities and close collaboration with the security team. Key Responsibilities
- Monitor blockchain networks and applications for security threats and suspicious activities.
- Conduct security audits and vulnerability assessments of smart contracts and dApps.
- Analyze blockchain transaction data to detect fraudulent or malicious patterns.
- Investigate and respond to security incidents, including data breaches and unauthorized access.
- Develop and implement security protocols and best practices for blockchain environments.
- Collaborate with development teams to ensure secure coding and deployment practices.
- Stay informed about emerging security threats and vulnerabilities in the blockchain space.
- Prepare security reports and present findings to management and technical teams.
- Assist in the development of security tools and automated monitoring systems.
- Contribute to the overall security strategy and risk management framework.
- Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
- Proven experience (3+ years) in cybersecurity analysis, with a focus on blockchain security or cryptocurrency-related risks.
- Strong understanding of blockchain technology, including consensus mechanisms and smart contracts.
- Familiarity with security analysis tools and techniques for blockchain environments.
- Knowledge of common blockchain vulnerabilities and attack vectors.
- Experience with incident response and digital forensics is a plus.
- Excellent analytical, problem-solving, and critical thinking skills.
- Strong communication and reporting abilities.
- Detail-oriented with a high level of integrity and professionalism.
- Must be able to work full-time and on-site in Sandton, Gauteng .
- Competitive salary and potential for performance bonuses.
- Comprehensive medical aid and retirement fund benefits.
- Opportunities for professional development and advanced cybersecurity training.
- Be part of a cutting-edge company in the rapidly evolving blockchain industry.
- Work in a dynamic and challenging environment in the heart of Gauteng .
- Contribute to securing the future of decentralized finance and technology.
- Exposure to a wide range of blockchain projects and security challenges.
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1
Lead Blockchain Security Engineer
0299 Rustenburg / Remote
Placements24
Posted 9 days ago
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Job Description
About the Role Our client, a forward-thinking leader in the blockchain innovation space, is seeking a highly skilled and experienced Lead Blockchain Security Engineer to join their elite team. This role is crucial for safeguarding our client's decentralized applications, smart contracts, and underlying blockchain infrastructure against emerging threats. Based remotely, you will leverage your deep expertise in cybersecurity principles and blockchain technology to proactively identify vulnerabilities, develop robust security protocols, and respond to potential incidents. You will guide a team of security specialists, setting the standard for security best practices across all blockchain initiatives. This position demands a strategic thinker with a proven ability to protect digital assets in a rapidly evolving and complex threat landscape. If you are passionate about securing the future of decentralized technologies and excel in a remote-first environment, this is an unparalleled opportunity to make a significant impact. This role is central to maintaining trust and integrity within our client's ecosystem. Key Responsibilities
- Lead the development and implementation of comprehensive security strategies for blockchain platforms and applications.
- Conduct rigorous security audits and penetration testing on smart contracts, dApps, and blockchain protocols.
- Identify and assess potential security vulnerabilities and threats, providing timely remediation plans.
- Develop and maintain secure coding guidelines and best practices for smart contract development.
- Design and implement advanced security measures, including encryption, access control, and intrusion detection systems.
- Respond to security incidents, conduct forensic analysis, and implement post-incident improvements.
- Stay ahead of emerging security threats and vulnerabilities in the blockchain space.
- Mentor and guide junior security engineers and developers on security best practices.
- Collaborate with cross-functional teams to ensure security is integrated throughout the development lifecycle.
- Contribute to the development of security tools and frameworks to enhance blockchain security posture.
- Master's degree in Cybersecurity, Computer Science, or a related field, or equivalent professional experience.
- Minimum of 7 years of experience in cybersecurity, with at least 4 years focused specifically on blockchain security.
- Deep understanding of blockchain technologies, smart contract languages (Solidity, Vyper), and common vulnerabilities.
- Proven experience in performing security audits, code reviews, and penetration testing for blockchain projects.
- Expertise in cryptography, network security, and secure software development practices.
- Experience with security analysis tools and techniques relevant to blockchain.
- Strong leadership and team management skills.
- Excellent analytical, problem-solving, and incident response capabilities.
- Demonstrated ability to work effectively in a fully remote setting.
- Relevant certifications such as CISSP, CISM, or blockchain security certifications are a plus.
- Highly competitive salary and performance-based bonuses.
- Fully remote work arrangement, offering ultimate flexibility.
- Opportunity to lead security initiatives for groundbreaking blockchain projects.
- Access to cutting-edge security tools and technologies.
- Continuous learning and professional development support.
- Be a key player in ensuring the integrity and safety of a leading blockchain platform.
- Work with a world-class team of experts in a dynamic and collaborative environment.
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2
Job Description
About the Role Our client, a leader in the crypto and blockchain industry, is looking for a highly analytical and security-conscious Blockchain Security Analyst to join their team based in Centurion, Gauteng . In this critical role, you will be responsible for identifying and mitigating security risks associated with blockchain platforms, smart contracts, and decentralized applications. You will play a vital part in ensuring the integrity, security, and resilience of our client's blockchain infrastructure and offerings. This position demands a proactive approach to threat detection, vulnerability assessment, and incident response within the complex landscape of distributed ledger technology. You will work closely with development and operations teams to implement robust security measures and best practices, safeguarding digital assets and user data. The ideal candidate possesses a deep understanding of blockchain security principles, cryptography, and common attack vectors. If you are passionate about cybersecurity within the blockchain domain and eager to contribute to a secure and trustworthy ecosystem, this opportunity in Centurion is for you. Key Responsibilities
- Conduct comprehensive security assessments and audits of smart contracts, dApps, and blockchain protocols.
- Identify vulnerabilities, potential threats, and security weaknesses in blockchain systems.
- Develop and implement security best practices and standards for blockchain development and operations.
- Perform penetration testing and vulnerability scanning on blockchain infrastructure.
- Monitor blockchain networks for suspicious activities and potential security breaches.
- Develop and maintain incident response plans for security-related events.
- Analyze blockchain transaction data to detect fraudulent activities or anomalies.
- Stay current with emerging security threats, vulnerabilities, and mitigation techniques in the blockchain space.
- Collaborate with development teams to ensure secure coding practices are followed.
- Provide expert advice and recommendations on blockchain security to stakeholders.
- Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent experience.
- Proven experience in cybersecurity, with a specialization in blockchain security.
- In-depth knowledge of blockchain technology, smart contract security, and common attack vectors (e.g., reentrancy, integer overflow).
- Experience with security auditing tools and techniques for smart contracts.
- Familiarity with cryptography, hashing algorithms, and digital signatures.
- Understanding of network security principles and protocols.
- Experience with security monitoring and incident response.
- Strong analytical and problem-solving skills.
- Excellent written and verbal communication skills.
- Ability to work independently and as part of a team in a demanding environment.
- Competitive salary and benefits package.
- Opportunity to work with cutting-edge blockchain technology.
- Professional development and training in cybersecurity and blockchain.
- A challenging and rewarding work environment in Centurion .
- Be part of a company that prioritizes security in the crypto space.
- Contribute to the safety and integrity of digital assets.
- Potential for career growth within a leading organization.
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3
Senior Blockchain Security Engineer
Posted 9 days ago
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Job Description
About the Role Our client, a pioneering force in the **Crypto & Blockchain** sector, is looking for an exceptional Senior Blockchain Security Engineer to join their world-class, fully remote team. This is a unique opportunity to play a critical role in safeguarding our innovative blockchain products and infrastructure against sophisticated threats. You will be responsible for identifying vulnerabilities, developing robust security measures, and implementing cutting-edge security solutions across our decentralized platforms. The ideal candidate possesses deep expertise in blockchain security, smart contract auditing, penetration testing, and secure coding practices. As a fully remote employee, you will collaborate with a distributed global team, contributing to the security posture of groundbreaking projects from the comfort of your home office. We seek a proactive, detail-oriented individual who can think like an attacker to build resilient defenses. Your work will be instrumental in ensuring the trust and integrity of our blockchain ecosystem, making this a highly impactful role in the **Crypto & Blockchain** landscape. Key Responsibilities
- Conduct comprehensive security audits of smart contracts, blockchain protocols, and decentralized applications.
- Perform penetration testing and vulnerability assessments on blockchain infrastructure and related systems.
- Develop and implement advanced security strategies and best practices for blockchain environments.
- Identify, analyze, and mitigate security risks and threats to our blockchain platforms.
- Design and build security tools and frameworks to automate security testing and monitoring.
- Collaborate with development teams to ensure secure coding practices are followed throughout the SDLC.
- Investigate and respond to security incidents, providing timely resolution and post-mortem analysis.
- Stay ahead of emerging security threats and vulnerabilities in the blockchain space.
- Contribute to the development of security policies and procedures.
- Mentor and guide junior security engineers and developers on security best practices.
- Bachelor's degree in Computer Science, Cybersecurity, or a related field; Master's degree preferred.
- 5+ years of experience in cybersecurity, with a significant focus on blockchain security.
- Proven experience in smart contract auditing (Solidity, Vyper) and identifying common vulnerabilities.
- Expertise in penetration testing methodologies and tools, applied to blockchain and web applications.
- Strong understanding of cryptographic principles, consensus mechanisms, and network security.
- Familiarity with security analysis of various blockchain protocols (e.g., Ethereum, Bitcoin, Layer 2 solutions).
- Experience with secure coding practices and development lifecycle security.
- Excellent analytical and problem-solving skills, with a keen eye for detail.
- Ability to work independently and collaboratively in a fully remote setting.
- Strong communication skills to effectively convey complex security issues to technical and non-technical audiences.
- Highly competitive salary with potential for stock options.
- Comprehensive health, dental, and vision insurance.
- Generous remote work stipend for home office setup and maintenance.
- Unlimited paid time off (PTO) policy.
- Professional development budget for conferences, training, and certifications.
- Opportunity to work on groundbreaking technologies with a talented global team.
- Direct impact on the security and success of leading blockchain projects.
- Be a key player in securing the future of decentralized technologies, working from anywhere.
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4
Blockchain Security Engineer - Penetration Testing
5201 East London
Placements24
Posted 9 days ago
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Job Description
About the Role Our client, a dynamic cybersecurity firm in East London , is seeking a skilled Blockchain Security Engineer to focus on penetration testing and vulnerability assessment of blockchain platforms and applications. This is a hands-on role requiring deep technical expertise in identifying and exploiting security weaknesses in smart contracts, networks, and related infrastructure. You will play a vital role in ensuring the security and resilience of our client's blockchain-related projects. The position requires a strong offensive security mindset and a passion for safeguarding digital assets. This is an office-based role in East London, Eastern Cape , fostering direct collaboration and team synergy. Key Responsibilities
- Conduct comprehensive penetration tests on blockchain networks, smart contracts, and decentralized applications (dApps).
- Identify, analyze, and document security vulnerabilities, including but not limited to smart contract exploits, network weaknesses, and API flaws.
- Develop and utilize specialized tools and techniques for blockchain security testing.
- Perform security audits and code reviews for smart contracts, identifying potential risks.
- Research and stay updated on emerging threats, attack vectors, and security best practices in the blockchain space.
- Assist in the development of security protocols and defense mechanisms for blockchain systems.
- Collaborate with development teams to provide actionable recommendations for remediation of vulnerabilities.
- Contribute to the creation of security policies and procedures.
- Document findings clearly and concisely in detailed penetration testing reports.
- Participate in incident response activities as needed.
- Bachelor's degree in Cybersecurity, Computer Science, or a related technical field, or equivalent practical experience.
- Proven experience (3+ years) in penetration testing, vulnerability assessment, or offensive security, with a specialization in blockchain technologies.
- Strong understanding of blockchain fundamentals, smart contract programming (especially Solidity), and the EVM.
- Proficiency in identifying and exploiting common smart contract vulnerabilities (e.g., reentrancy, integer overflow/underflow, access control issues).
- Experience with security testing tools and frameworks relevant to blockchain (e.g., Slither, Mythril, Foundry).
- Knowledge of cryptography, network protocols, and common web application vulnerabilities.
- Familiarity with programming languages such as Python for scripting security tools.
- Excellent analytical, problem-solving, and reporting skills.
- Strong communication and teamwork skills, essential for an in-office role in East London .
- Competitive salary commensurate with experience.
- Full benefits package including medical aid.
- Regular professional development and training opportunities.
- Opportunity to work on high-impact security projects in the blockchain domain.
- Collaborative and team-oriented work environment in East London .
- Exposure to diverse blockchain platforms and applications.
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5
Blockchain Security Engineer - Audit Specialist
4001 Durban / Remote
Placements24
Posted 9 days ago
Job Viewed
Job Description
About the Role Our client, a leading innovator in the blockchain ecosystem, is seeking a highly specialized Blockchain Security Engineer to join their fully remote team. This role focuses on ensuring the integrity and security of smart contracts and decentralized applications by performing rigorous audits and vulnerability assessments. As a remote-first organization, we value clear communication and proactive problem-solving. You will play a critical role in protecting our users and assets by identifying and mitigating potential security risks within the rapidly evolving blockchain space. This is an exceptional opportunity for a meticulous security professional to contribute to a company at the forefront of technological advancement, working with a global team dedicated to building a more secure decentralized future. Key Responsibilities
- Conduct comprehensive security audits of smart contracts and blockchain protocols.
- Identify vulnerabilities, bugs, and potential security flaws in code and system design.
- Develop and implement security testing methodologies and tools.
- Provide detailed reports on audit findings, including risk assessment and remediation recommendations.
- Collaborate with development teams to address identified security issues and improve code quality.
- Stay up-to-date with the latest blockchain security threats, attack vectors, and mitigation techniques.
- Research and develop innovative security solutions for blockchain applications.
- Contribute to the development of secure coding standards and best practices.
- Participate in incident response activities when necessary.
- Proven experience as a Security Engineer, specifically within the blockchain and smart contract domain.
- In-depth knowledge of smart contract languages (e.g., Solidity) and common vulnerabilities (e.g., reentrancy, integer overflows).
- Experience with security auditing tools and frameworks (e.g., Slither, Mythril, Certora).
- Strong understanding of cryptography, network security, and secure coding principles.
- Familiarity with various blockchain platforms and their security considerations.
- Excellent analytical and problem-solving skills with meticulous attention to detail.
- Ability to communicate complex technical findings clearly and concisely.
- Experience working in a remote, collaborative environment.
- Relevant certifications in cybersecurity or blockchain are a plus.
- Highly competitive contract rate.
- Flexible remote working arrangements.
- Opportunity to work on diverse and challenging blockchain projects.
- Contribute to the security and integrity of the crypto space.
- Work with a team of top-tier blockchain security experts.
- Potential for long-term engagements based on performance.
- Continuous learning and skill development opportunities.
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6
Blockchain Security Engineer - Protocol Audits
2194 Randburg / Remote
Placements24
Posted 9 days ago
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Job Description
About the Role Our client, a leading blockchain security firm, is seeking a proactive Blockchain Security Engineer to join their team in Randburg, Gauteng . This role focuses on the security of blockchain protocols themselves, involving in-depth analysis and auditing of core infrastructure and consensus mechanisms. You will play a critical part in identifying and mitigating complex security vulnerabilities to protect the integrity of decentralized networks. The ideal candidate possesses a strong background in cybersecurity, deep expertise in blockchain technology, and a passion for offensive security research. Join a dynamic team dedicated to securing the decentralized future in Randburg, Gauteng . Key Responsibilities
- Conduct in-depth security audits of blockchain protocols, including consensus algorithms and cryptographic implementations.
- Identify and exploit vulnerabilities in blockchain networks and associated smart contracts.
- Develop and implement security testing tools and frameworks for blockchain protocols.
- Perform penetration testing and fuzzing on blockchain nodes and client software.
- Analyze threat landscapes and develop strategies to mitigate emerging security risks.
- Collaborate with protocol development teams to ensure the secure design and implementation of new features.
- Write comprehensive security reports detailing findings, risks, and remediation recommendations.
- Stay abreast of the latest research in blockchain security, cryptography, and vulnerability exploitation.
- Contribute to the broader blockchain security community through research and knowledge sharing.
- Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related field.
- 3-5 years of experience in cybersecurity, with a significant portion dedicated to blockchain technology and protocol security.
- Strong understanding of cryptography, network security, and common attack vectors.
- Proficiency in programming languages such as C++, Go, Rust, or Python for security tool development.
- Experience with blockchain analysis tools and debugging techniques.
- Familiarity with different blockchain architectures and consensus mechanisms.
- Excellent analytical and problem-solving skills, with a keen attention to detail.
- Strong communication skills, capable of articulating complex security findings in a clear manner, suitable for a hybrid environment in Randburg, Gauteng .
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