# Blockchain Security Expert - Chain Security Evaluation Track at Certik

- Company: Certik
- What the company does: CertiK, the largest Web3 security service provider, uses AI and formal verification to protect and monitor smart contracts and protocols, securing the Web3 ecosystem. Backed by Insight, Lightspeed and SoftBank VF.
- Company website: https://www.certik.com/
- Type: Startups
- Level: Mid level
- Location: US / Remote
- Work setup: Remote
- Pay: $120K to $180K base salary per year (USD)
- Posted: 2025-11-17
- Apply by: 2026-10-08
- Apply: https://jobs.lever.co/certik/13f095de-5cff-4ed7-a0b2-7ea0f81e485d
- Page: https://www.1752.vc/careers/jobs/certik-blockchain-security-expert-chain-security-evaluation-track/

## About the role

You’re a self-starter who thrives on tackling the toughest and most meaningful problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that #startuplife means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all.

## What they're looking for

- 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 (e.g., Cosmos SDK / CometBFT, Go-Ethereum (Geth) internals, and Hyperledger Fabric / Besu)
- Strong scripting & 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

Tags: Blockchain Security Engineering