Blockchain Security Engineer
1 week ago
CriticalRiver Inc. is a global technology consulting company specializing in Salesforce, NetSuite, and Oracle solutions. We provide consulting, implementation, integration, analytics, managed services, and quality assurance to help clients drive digital transformation and improve operational efficiency. Our expertise spans cloud, automation, and next-generation technologies such as AI/ML, IoT, RPA, and Industry 4.0. We serve a diverse range of industries, including Energy & Utilities, High Tech, Financial Services, Manufacturing, and Not-for-Profit. At CriticalRiver, we are committed to delivering innovative, end-to-end solutions that empower our clients to achieve sustainable business growth while fostering a culture of collaboration, innovation, and continuous learning. Role Summary We are looking for a Blockchain Security Engineer with expertise in smart contract auditing and cybersecurity. The role involves identifying vulnerabilities in blockchain systems, performing security audits, and ensuring robust network and application security across decentralized platforms. Key Responsibilities Conduct smart contract audits , focusing on vulnerabilities such as reentrancy, overflow/underflow attacks , and other common security flaws. Ensure blockchain network security , including key management, consensus mechanisms, and on-chain privacy . Evaluate dApp security and recommend mitigation strategies. Apply OWASP Top 10 guidelines and perform security testing using SAST/DAST tools . Implement secure protocols including HTTPS, TLS, HSTS, and CSP . Manage and audit Key Management Systems like Azure Key Vault and HashiCorp Vault. Enforce Identity & Access Management (IAM) and Role-Based Access Control (RBAC) across blockchain applications. Collaborate with developers and DevOps teams to integrate security best practices into development workflows. Required Skills & Competencies Strong experience in smart contract auditing and blockchain security . Hands-on knowledge of key management, consensus tuning, and network security . Familiarity with dApp architecture and on-chain privacy techniques . Expertise in security testing tools (SAST/DAST) and secure coding practices. Proficiency in HTTPS, TLS, HSTS, CSP , and other web security standards. Experience with Azure Key Vault, HashiCorp Vault , or similar KMS solutions. Knowledge of IAM and RBAC implementation . Strong analytical, problem-solving, and communication skills. Education & Experience Bachelor’s in Computer Science, Cybersecurity, or a related field. 6-8 years of experience in smart contract auditing, blockchain security, or related cybersecurity roles. Relevant certifications (CEH, OSCP, blockchain security certifications) are a plus. Preferred Experience Exposure to DeFi protocols, decentralized applications (dApps) , and enterprise blockchain frameworks. Understanding of DevSecOps practices for blockchain . Experience with security compliance and regulatory standards for blockchain deployments. Benefits & Work Environment Opportunity to work on cutting-edge blockchain projects . Exposure to both enterprise and government blockchain initiatives. Collaborative and innovative work culture with professional growth opportunities .
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