RemoteLeaf Logo
Log in Sign up

Blockchain Security Expert - Chain Security Evaluation Track

7 months, 2 weeks ago
United States
Full-time
Senior
Security Engineer
Cybersecurity
Bash Blockchain Docker Go Penetration Testing Python
Apply Now
CertiK

CertiK

$152M raised
View All Jobs 22

Description

  • Conduct in-depth security evaluations of blockchain nodes, validators, consensus mechanisms, mempool behavior, networking layers, and chain modules.
  • Review and analyze blockchain frameworks such as Cosmos SDK, CometBFT, Go-Ethereum (Geth), Hyperledger Fabric/Besu, and other L1/L2/L3 infrastructures.
  • Identify and document security issues related to consensus safety, chain halting, permission model flaws, and block production vulnerabilities.
  • Implement, run, and maintain custom scripts and test scenarios to simulate validator/network behaviors, chain stress conditions, and edge cases.
  • Perform security consulting, manual audits, verification of smart contracts and blockchains, and penetration testing as part of CertiK’s security offerings.
  • Collaborate with the security team to deliver and expand CertiK’s security products and services.
  • Engage directly with clients to communicate findings, support remediation, and scope security engagements.
  • Monitor emerging blockchain security problems and industry trends to inform assessments and product improvements.

Requirements

  • Authorization to work in the United States and ability to work remotely (US-based role).
  • Strong written and spoken English communication skills.
  • High diligence and strong attention to detail, especially in multi-step testing and long-running experiments.
  • Solid understanding of blockchain architecture and node internals (examples: Cosmos SDK/CometBFT, Go-Ethereum/Geth, Hyperledger Fabric/Besu).
  • Strong scripting and automation skills with Python or Bash.
  • Familiarity with Docker and containerized testing environments.
  • Prior experience in manual Web3 security auditing is preferred but not required.
  • Self-starter comfortable working in a startup environment, wearing multiple hats, and collaborating with cross-functional teams and clients.

Benefits

  • Target US salary range $120,000–$180,000 (exact offer determined by skills and experience).
  • Medical, vision, and dental insurance.
  • 401(k) plan with company matching.
  • Life and accidental death and dismemberment (AD&D) insurance, HSA (with high-deductible plan), and FSA.
  • Flexible paid time off and holidays and a flexible remote work environment.
  • Opportunity to collaborate with industry-leading security researchers and technologists and to shape conversations in blockchain security.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Shakepay

ingénieur de sécurité principal

Shakepay 51-250 Diversified Financial Services

Shakepay recherche un ingénieur de sécurité principal pour protéger son infrastructure, ses produits et ses données clients tout en développant ses capacités de sécurité, d’observabilité et d’intelligence artificielle dans un environnement fintech réglementé.

Canada Full-time Lead Security Engineer
$166k-$204k
AWS Bitcoin Git GitHub
19 hours, 55 minutes ago
Pinterest

Security Software Engineer II, Detection and Response

Pinterest 5K-10K Internet Software & Services

Pinterest is hiring a Security Engineer to strengthen detection and incident response capabilities, protect employees and infrastructure, and adapt security operations to emerging threats in a cloud-first environment.

United States Full-time Mid Level Security Engineer
$124k-$255k
Go Network Security Python Ruby SIEM TCP/IP
20 hours, 25 minutes ago
CIQ

Principal Linux Security Engineer

CIQ 51-250 Internet Software & Services

CIQ is seeking a Linux security engineer to strengthen the security, compliance, vulnerability management, and release processes for enterprise Linux infrastructure supporting HPC, AI/ML, defense, and regulated workloads.

Anywhere Full-time Lead Security Engineer
Ansible Linux
21 hours, 10 minutes ago
LawnStarter

Lead Security Engineer

LawnStarter 11-50 Professional Services

LawnStarter is hiring a hands-on Lead Security Engineer to establish and lead security across its AWS-based marketplace, applications, payment systems, customer data, and compliance programs.

Brazil Full-time Lead Security Engineer
$80k-$100k
AWS CI/CD Datadog Encryption Kubernetes Laravel Network Security PHP React Secrets Management TypeScript
21 hours, 25 minutes ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers