Especialista en Ciberseguridad Blockchain - Auditoría de Contratos

Placements24; León; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Competitive salary

Performance bonuses

Health insurance

Retirement plans

Professional growth opportunities

Modern León office

Job summary

Placements24 is seeking an Especialista en Ciberseguridad Blockchain for our León office. You will audit smart contracts and dApps, identify vulnerabilities, and guide remediation across diverse blockchain projects.

Applicants should have 3+ years in cybersecurity with blockchain focus, Solidity expertise, and a knack for detailed security reporting. This role emphasizes independent work in a fast-evolving crypto space.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, or a related field.
• 3+ years of cybersecurity experience with a focus on blockchain and smart contract auditing.
• Strong knowledge of smart contract languages (Solidity).
• Understanding of blockchain protocols, consensus mechanisms, and common vulnerabilities.
• Experience with security analysis tools and static analyzers (e.g., Slither) and dynamic analysis tools.
• Familiarity with attack vectors and defenses in blockchain systems.
• Excellent analytical and communication skills for reporting and client interaction.

Responsibilities

• Conduct comprehensive security audits of smart contracts and dApps written in Solidity.
• Identify vulnerabilities (reentrancy, overflows, front-running, access control).
• Perform static and dynamic analysis of blockchain code.
• Develop and use security testing tools and frameworks.
• Provide detailed reports with risks and remediation recommendations.
• Collaborate with development teams to implement security best practices.
• Stay updated on blockchain security threats and mitigation techniques.
• Contribute to internal security audit methodologies and best practices.
• Assist in incident response and forensic analysis when breaches occur.
• Educate clients and internal teams on blockchain security best practices.

Skills

Blockchain security

Smart contract auditing

Threat analysis

Analytical skills

Communication skills

Education

Bachelor's degree in Computer Science or Cybersecurity

Tools

Slither

Dynamic analysis tools

Job description

About the Role

Our client, a premier cybersecurity firm specializing in blockchain technology, is seeking a highly skilled Especialista en Ciberseguridad Blockchain for their office in León . You will be at the forefront of securing blockchain ecosystems by performing rigorous audits of smart contracts and decentralized applications. Your primary focus will be identifying vulnerabilities, potential exploits, and security weaknesses before they can be leveraged by malicious actors. This role demands a deep understanding of blockchain security principles, smart contract programming, and various attack vectors. You will play a critical role in building trust and security within the rapidly evolving crypto space. We are looking for individuals with a keen eye for detail, a proactive approach to security, and a passion for protecting digital assets.

Key Responsibilities

Conduct comprehensive security audits of smart contracts and dApps written in languages like Solidity. Identify vulnerabilities such as reentrancy, integer overflows, front-running, and access control issues. Perform static and dynamic analysis of blockchain code. Develop and utilize security testing tools and frameworks. Provide detailed reports outlining identified risks and actionable recommendations for remediation. Collaborate with development teams to ensure security best practices are implemented. Stay updated on the latest security threats, vulnerabilities, and mitigation techniques in the blockchain space. Contribute to the development of internal security audit methodologies and best practices. Assist in incident response and forensic analysis when security breaches occur. Educate clients and internal teams on blockchain security best practices.

Requirements

Bachelor's degree in Computer Science, Cybersecurity, or a related field. Proven experience (3+ years) in cybersecurity, with a significant focus on blockchain and smart contract auditing. In-depth knowledge of smart contract programming languages (Solidity primarily). Strong understanding of blockchain protocols, consensus mechanisms, and common vulnerabilities. Experience with security analysis tools, static analyzers (e.g., Slither), and dynamic analysis tools. Familiarity with various attack vectors and defense mechanisms in blockchain systems. Excellent analytical and problem-solving skills with meticulous attention to detail. Strong written and verbal communication skills for reporting and client interaction. Ability to work independently and manage multiple audit engagements. Relevant certifications (e.g., Certified Blockchain Security Professional) are a plus.

Benefits

Our client offers a competitive salary, performance bonuses, and excellent benefits, including comprehensive health insurance and retirement plans. We provide significant opportunities for professional growth through continuous training, certifications, and exposure to diverse blockchain projects. The León office is a modern, secure, and collaborative workspace. You will work alongside some of the industry's top cybersecurity experts, tackling challenging and impactful security problems. This role is based in our main office, offering a stable and engaging work environment. Additional benefits include team-building events and a commitment to employee well-being. Help us build a more secure decentralized future.