• Conduct comprehensive product security assessments of blockchain-based systems, with a strong focus on Web3 security, smart contracts, and protocol-level risks • Design and write malicious smart contracts and adversarial test cases to exploit and identify vulnerabilities in Hedera Blockchain and EVM-compatible systems • Develop, implement, and continuously improve security strategies, architectures, and best practices for Hedera blockchain protocols, smart contracts, bridges, and associated services • Partner closely with engineering teams to embed security into design, development, and deployment workflows • Design and execute penetration testing, threat modeling, and vulnerability assessments across blockchain networks, nodes, APIs, and supporting infrastructure • Identify, track, and stay ahead of emerging blockchain and Web3 threats, exploits, and attack patterns; provide actionable mitigation guidance • Build and contribute to security tooling, frameworks, and automation tailored for blockchain environments, including CI/CD integrations • Leverage AI/LLMs and automation to enhance product security reviews, vulnerability discovery, threat modeling, and security testing workflows • Assist in incident response and post-incident analysis related to blockchain security events, including root cause analysis and remediation guidance • Educate engineers and internal stakeholders on blockchain security principles, secure coding practices, and real-world attack scenarios • Participate in and contribute to security awareness and secure development training programs across the organization