Senior Blockchain Red Team Penetration Tester

Pt Sigma Cipta Caraka (Telkomsigma); Tangerang; On-site; IDR 300,000,000 - 500,000,000; Full time

Job summary

Pt Sigma Cipta Caraka (Telkomsigma) is seeking a Senior Blockchain Security Engineer to join our security team in Bekasi. You will lead penetration testing, security assessments, and vulnerability analyses across blockchain platforms and dApps on-site.

The role requires deep expertise in blockchain security, cryptography, and secure coding practices, with collaboration across engineering teams and a drive to stay ahead of evolving threats in the crypto space.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, or related field, or equivalent experience.
• Minimum of 5 years in cybersecurity with focus on blockchain security and penetration testing.
• Experience with smart contracts (Solidity, Rust) vulnerabilities and blockchain infrastructure.

Responsibilities

• Perform comprehensive security audits and penetration testing of blockchain protocols, smart contracts, and dApps.
• Identify vulnerabilities, threats, and attack vectors in systems.
• Develop and implement security testing methodologies and tools.
• Conduct risk assessments and provide actionable remediation recommendations.
• Collaborate with development teams to remediate identified vulnerabilities.
• Stay current with security threats in blockchain and crypto space.
• Contribute to secure coding guidelines and best practices.

Skills

Blockchain security

Penetration testing

Vulnerability assessment

Cryptography

Communication

Team collaboration

Education

Bachelor's degree in CS/Cybersecurity

Tools

Solidity tooling

Rust tooling

Blockchain security tools

Job description

Pt Sigma Cipta Caraka (Telkomsigma) is seeking a Senior Blockchain Security Engineer to join our security team in Bekasi. You will lead penetration testing, security assessments, and vulnerability analyses across blockchain platforms and dApps on-site.

The role requires deep expertise in blockchain security, cryptography, and secure coding practices, with collaboration across engineering teams and a drive to stay ahead of evolving threats in the crypto space.