Blockchain Security Architect

2 weeks ago

San Francisco, California, United States DFINITY Full time

We are seeking an experienced Offensive Security Engineer to join our growing security team with a focus on offensive security, threat research, and exploit development in the blockchain ecosystem.

Main Responsibilities:
  • Design and execute sophisticated Red Team operations targeting Internet Computer Protocol, governance, subnets, nodes, and system dApps.
  • Develop adversary emulation plans to test both platform and infrastructure defenses, identifying weaknesses before they can be exploited.

Vulnerability Research and Exploit Development:

  • Research, develop, and test advanced exploits against the Internet Computer Protocol and infrastructure.
  • Maintain an internal repository of exploits, scripts, and tools for advanced offensive security operations.

Infrastructure Security:

  • Implement advanced hardening measures to strengthen the security of Internet Computer Operating Systems (ICOS) running on virtual machines.
  • Perform vulnerability assessments and penetration tests on the ICOS environment and the overall Internet Computer infrastructure to identify and mitigate risks.
  • Harden and assess security for internal Kubernetes clusters and associated services, ensuring robust defense mechanisms against container-based attacks.
  • Perform security testing across cloud-native infrastructures, CI/CD pipelines, and microservices environments, identifying lateral movement paths and privilege escalation risks.

Tool Development and Automation:

  • Build and maintain custom offensive security tools for exploit delivery, post-exploitation automation, and Red Team simulations.
  • Develop secure operational tools to streamline complex engagements and support security monitoring, threat detection, and incident handling.

Collaboration and Incident Handling:

  • Partner with cross-functional teams, including blockchain developers, DevOps, and infrastructure engineers, to embed security best practices throughout the development lifecycle.
  • Lead incident response efforts involving blockchain or internal systems, conducting thorough post-mortems and implementing mitigation strategies.
  • Publish security advisories and report CVEs.

The successful candidate will have extensive experience planning and executing Red Team engagements in complex, distributed environments, simulating advanced persistent threats (APTs) across blockchain and traditional infrastructure. They will be skilled in adversary emulation, lateral movement techniques, privilege escalation, and exfiltration tactics.

In addition, they will have a strong understanding of kernel-level vulnerabilities, hypervisor security, and virtualized environments. Expertise in securing Kubernetes clusters and traditional infrastructure, with a focus on container security, is also required. Proficiency in working with QEMU virtualization technologies and AMD SEV-SNP secure enclaves is a plus.

This is a hybrid-onsite position, based out of our office in San Francisco.

Estimated Salary Range: $175,000 - $240,000/year.

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