Senior Security Engineer
Job Description
About the Company Born from groundbreaking research at Columbia University and Yale University, CertiK is a leading Web3 security company focused on securing blockchain protocols, smart contracts, and decentralized applications through cutting-edge security research, formal verification, and AI-powered technology. Founded in 2017 and headquartered in New York City, CertiK provides end-to-end security solutions including smart contract audits, penetration testing, on-chain monitoring, incident response, and compliance services for some of the largest projects in the digital asset ecosystem. Today, CertiK supports thousands of enterprise clients and Web3 projects globally, with a distributed international team spanning North America, Asia, and Europe. The company is backed by leading investors including Coatue, Goldman Sachs, Insight Partners, and Sequoia Capital, and has been recognized by organizations such as the World Economic Forum and CB Insights for its contributions to blockchain security innovation. About You You are proactive, reliable, and enjoy helping people solve problems. You are highly organized, eager to learn, and comfortable supporting both technical and non-technical teams. You enjoy being hands-on, can adapt quickly in a fast-paced environment, and are willing to take ownership of day-to-day operational tasks to help keep the office and systems running smoothly.
Requirements
Responsibilities Lead design/deployment of enterprise-grade security solutions to safeguard internal networks/applications/infrastructure, ensuring confidentiality/integrity/availability of mission-critical systems & data Define/enforce organization-wide security policies/standards; own end-to-end vulnerability management lifecycle & lead cross-functional incident response with engineering/IT/compliance teams Oversee real-time threat detection/response operations; conduct forensic investigations & drive root cause analysis for high-impact security incidents to inform long-term defense strategies Manage/execute comprehensive security assessments across internal/third-party systems, including architecture reviews/endpoint security evaluations/infrastructure hardening initiatives Guide secure development practices by applying advanced static/dynamic analysis to identify vulnerabilities & deliver remediation guidance to engineering teams Conduct threat modeling/risk analysis for high-value systems to proactively identify/mitigate attack vectors & influence system/product architecture Architect/maintain internal security tooling to expand detection coverage, streamline response workflows & enhance operational visibility Requirements Master’s degree in Computer Science, Software Engineering, Security Informatics, or related field. Expertise in threat modeling/architectural risk assessment using structured methodologies (e.g., STRIDE/DREAD) Advanced knowledge of SSDLC, including static/dynamic analysis/QA practices & end-to-end vulnerability lifecycle management (tracking/remediation coordination/verification) Strong ability to conduct comprehensive security assessments across network infrastructure/application architecture/system configurations Familiarity with cloud environments (AWS/Azure/GCP) & CI/CD deployment workflows; Proficiency in Java/Python with applied skills in secure coding/debugging/symbolic execution & internal tooling/automation scripting
About CertiK
CertiK is a pioneer in securing the Web3 landscape, leveraging cutting-edge formal verification technology and AI to audit and monitor blockchain protocols and smart contracts. Our mission is to raise the security standards of the decentralized world, protecting billions of dollars in digital assets from vulnerabilities and malicious actors. We are at the forefront of blockchain security, ensuring trust and transparency across the crypto ecosystem for projects ranging from DeFi and NFTs to Layer 1s. Our culture thrives on innovation, precision, and a shared passion for a safer Web3. We foster an environment where challenges are met with collaborative problem-solving, and continuous learning is encouraged. Team members are empowered to shape the future of blockchain security, working alongside world-class experts in cryptography, cybersecurity, and artificial intelligence. We value intellectual curiosity, rigorous analysis, and a commitment to excellence in all that we do. Joining CertiK means becoming an integral part of a global team that is truly making an impact. You'll contribute to groundbreaking security solutions, protect the integrity of decentralized finance, and help build a more secure digital future. If you're a talented individual passionate about blockchain, cybersecurity, and making a tangible difference in the Web3 space, we invite you to explore our opportunities and help us secure the next generation of the internet.
Ready to Apply?
To submit your application for this position, please visit CertiK's official website and follow their application process.