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Blockchain Security Expert - Chain Security Evaluation Track
CertiK
Remote · United States$10,000–15,000 gross/mofull-timeCertiK Careers
The primary responsibility of this role is for CertiK’s security-related services. Intersecting cybersecurity and blockchain, CertiK’s security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart contracts, penetration testing, and more.
Responsibilities
- Conduct in-depth security evaluations on blockchain nodes, validators, consensus mechanisms, mempool behavior, networking layers, and chain modules.
- Review and analyze blockchain frameworks such as Cosmos SDK, CometBFT, Geth, Hyperledger, and other L1/L2/L3 infrastructures.
- Identify security issues related to consensus safety, chain halting, permission models flaws, block production vulnerabilities.
- Implement and run custom scripts and test scenarios to simulate real-world validator/network behaviors, chain stress conditions, and edge cases.
Languages
- Work format
- Remote
- Seniority
- Senior
- Posted
- 17 Nov 2025
- Last verified
- In the last 5 days
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