Blockchain Security Specialist (Remote-First)

Placements24; Paarl; Hybrid; ZAR 1,995,000 - 2,992,000; Full time

Benefits offered by this job

Remote work

Flexible hours

Health coverage

Home office budget

Conference attendance

Job summary

Placements24 is seeking a highly skilled Blockchain Security Specialist to join a remote-first team. You will safeguard blockchain platforms, smart contracts, and dApps, conducting audits, threat modeling, and remediation across global deployments.

The ideal candidate has deep cybersecurity experience in blockchain, proficiency with Solidity and Rust, and a proven track record in security testing, with the ability to communicate findings clearly to technical and management audiences.

Qualifications

• Significant cybersecurity experience with a focus on blockchain security and audits.
• Ability to analyze smart contract code for vulnerabilities in Solidity or Rust.
• Knowledge of blockchain technologies, cryptography, and attack vectors.
• Familiar with security auditing tools and pentesting methodologies for blockchain systems.
• Excellent communication skills to report findings to technical and management teams.

Responsibilities

• Conduct security audits of smart contracts, dApps, and blockchain protocols.
• Identify vulnerabilities, exploits, and attack vectors across platforms.
• Develop and implement security best practices for blockchain development.
• Perform penetration testing and vulnerability assessments on blockchain infra.
• Monitor networks for suspicious activity and security incidents.
• Lead incident response and remediation planning with teams.
• Create detailed security reports and present findings to stakeholders.
• Collaborate with developers to ensure secure coding practices.
• Stay updated on threats and technologies in blockchain security.
• Contribute to incident response and disaster recovery planning.

Skills

Blockchain security

Smart contract security

Threat modeling

Penetration testing

Tools

Solidity

Rust

Job description

About the Role

Our client, a leading innovator in the Crypto & Blockchain space, is seeking a highly skilled Blockchain Security Specialist to join their elite, fully remote team. This role, conceptually linked to Paarl, Western Cape, will operate entirely remotely, offering maximum flexibility and global reach. You will be responsible for ensuring the security and integrity of our blockchain platforms, smart contracts, and decentralized applications. This is a critical position that requires a deep understanding of blockchain vulnerabilities, threat modeling, and mitigation strategies. The ideal candidate is proactive, meticulous, and possesses a strong analytical mindset, with a proven track record in cybersecurity within the blockchain domain. As a remote-first organization, we foster a collaborative and supportive environment where expertise is valued and continuous learning is encouraged. You will work closely with development and operations teams to identify, assess, and remediate security risks. Your contributions will be vital in safeguarding our assets, protecting user data, and maintaining the trust and reputation of our organization in the highly sensitive crypto ecosystem. Join us to defend the frontier of decentralized technology and play a key role in securing the future of digital assets.

Key Responsibilities

• Conduct comprehensive security audits of smart contracts, dApps, and blockchain protocols.
• Identify and analyze potential security vulnerabilities, exploits, and attack vectors.
• Develop and implement security best practices and standards for blockchain development.
• Perform penetration testing and vulnerability assessments on blockchain infrastructure.
• Monitor blockchain networks for suspicious activities and security incidents.
• Respond to and investigate security breaches, developing remediation plans.
• Create detailed security reports and present findings to technical and management teams.
• Collaborate with development teams to ensure secure coding practices are followed.
• Stay updated on the latest security threats, trends, and technologies in the blockchain and cybersecurity landscape.
• Contribute to the development of incident response plans and disaster recovery strategies.

Requirements

• Significant experience in cybersecurity, with a specialized focus on blockchain security.
• Proficiency in analyzing smart contract code for vulnerabilities (e.g., Solidity, Rust).
• Strong understanding of blockchain technologies, cryptography, and consensus mechanisms.
• Experience with security auditing tools and techniques for blockchain systems.
• Knowledge of common smart contract exploits (e.g., reentrancy, integer overflow, front-running).
• Familiarity with network security, cloud security, and penetration testing methodologies.
• Excellent analytical and problem-solving skills.
• Strong communication and reporting skills, capable of explaining complex security issues clearly.
• Ability to work independently and manage responsibilities effectively in a remote environment.
• Relevant certifications in cybersecurity or blockchain technology are a plus.

Benefits

Our client offers a highly competitive salary and a comprehensive benefits package designed for remote professionals, including flexible working hours and excellent health coverage. As a remote-first organization, we provide a budget for home office setup and ensure access to the latest security tools and resources. Professional development is a priority, with opportunities for advanced training, certifications, and attendance at key industry conferences. You will be part of an innovative and highly skilled team, working on challenging and impactful projects that shape the future of the blockchain industry. Career advancement opportunities within this fast-growing and specialized field are significant. We foster a culture of continuous learning, collaboration, and mutual support. This role offers the unique chance to be at the forefront of blockchain security, ensuring the safety and integrity of decentralized systems. The remote-first nature of this position allows for an exceptional work-life balance and the ability to contribute from anywhere in the world.