Blockchain Consultant/ Architect

EY Israel’s Blockchain Center of Excellence (CoE) is looking for a Blockchain Consultant/Architect to support our clients across the end-to-end blockchain lifecycle, from business use-case identification and onboarding and solution architecture through implementation, security design, and risk management. This is a multidisciplinary role in the blockchain consulting domain combining business advisory, blockchain architecture, and cybersecurity, supporting clients from use-case definition and solution design through implementation, security, and risk management. Key Responsibilities Blockchain Advisory & Architecture • Identify business needs and map them to relevant blockchain use cases and solutions. • Assess blockchain suitability and translate business requirements into technical architectures. • Design blockchain solutions, including integration with enterprise systems, applications, APIs, wallets, and digital asset infrastructure. • Advise on platform selection, architecture patterns, scalability, interoperability, and technology considerations. • Support PoCs, solution onboarding, implementation, and transition into production. • Act as a bridge between business stakeholders, developers, security teams, and technology architects. Blockchain Security, Risk & Governance • Perform blockchain-focused threat modeling, risk assessments, and security architecture reviews. • Define security requirements and secure-by-design principles for blockchain architectures. • Assess smart contracts, wallets, key management, transaction flows, APIs, blockchain integrations, and supporting infrastructure. • Evaluate digital asset custody, signing mechanisms, access controls, and cryptographic key management. • Identify blockchain-specific attack scenarios and recommend appropriate security controls. • Advise on blockchain governance, operational security, and risk management Job Requirements • 3+ years of experience in technology consulting, solution architecture, cybersecurity, or software engineering in the blockchain domain • Strong understanding of blockchain technologies, including smart contracts, wallets, digital assets, key management, and blockchain architecture. • Experience translating business requirements into technology solutions and architectures. • Familiarity with enterprise integrations, APIs, cloud environments, and blockchain platforms. • Strong analytical, communication, and client-facing consulting skills. • Relevant degree or equivalent practical experience; blockchain, cloud, security, or architecture certifications are an advantage.