Blockchain Security Expert - Chain Security Evaluation Track

CertiK
United States
Workplace: RemoteFull timeUSD 120,000 - 180,000 annuallyFunction: Solutions Engineering & Sales EngineeringSkills: ["Communication","Attention to detail","Problem-solving"]

Security-focused role evaluating blockchain systems end-to-end, including nodes, validators, and consensus mechanisms. You’ll review frameworks (Cosmos SDK, CometBFT, Geth, Hyperledger), design and run automated tests, and identify security issues in chain operations, contributing to CertiK’s security offerings within a startup, remote-friendly environment.

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FursaFursa
CertiK
CertiK
9 months ago

Blockchain Security Expert - Chain Security Evaluation Track

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Source: Company careers pageValidated by: Fursa AI
Last checked: 6 hours agoStatus: Live

Job Summary

Security-focused role evaluating blockchain systems end-to-end, including nodes, validators, and consensus mechanisms. You’ll review frameworks (Cosmos SDK, CometBFT, Geth, Hyperledger), design and run automated tests, and identify security issues in chain operations, contributing to CertiK’s security offerings within a startup, remote-friendly environment.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering

Key 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.
  • •Support security-related services and collaborate with the security team to deliver products and services to clients

Pay and Benefits

Salary: USD 120,000 - 180,000 annually
Perks:Health InsuranceVisionDental401kLife InsuranceAd&dHsaFsaPaid LeaveHolidaysCommission Program

Key Requirements

  • •English communication skills (written and spoken)
  • •High diligence and attention to detail for multi-step testing and long-running experiments
  • •Strong understanding of blockchain architecture and node internals (Cosmos SDK/CometBFT, Geth, Hyperledger Fabric/Besu)
  • •Strong scripting & automation skills with Python or Bash
  • •Familiarity with Docker and containerized testing environments
Experience:BlockchainSecurityWeb3
Skills:CommunicationAttention to detailProblem-solving
Languages:English
Tech Stack:PythonBashDockerCosmos SDKCometBFTGethHyperledger FabricBesu

Company Brief

CertiK
Provides blockchain and smart contract security services, including automated formal verification, security audits, and real-time monitoring to protect decentralized finance protocols, smart contracts, and blockchain ecosystems from vulnerabilities and exploits.
Industry: Cybersecurity
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: New York, United States
Founded: 2018
WebsiteLinkedIn