Ethereum Foundation is hiring an AI-savvy protocol security researcher to hunt for vulnerabilities across the network’s core infrastructure — combining fuzz testing, AI-driven discovery, and hands-on audits to bolster Ethereum’s security posture. What the role covers - Team: Protocol Security. - Scope: execution layer (transaction and smart contract processing), consensus layer (validator coordination), peer-to-peer networking, protocol specs, and client implementations. - Responsibilities: build and run fuzzers, review proposed changes for upcoming hard forks, perform manual protocol audits, coordinate responsible disclosure, and integrate AI systems into automated vulnerability discovery workflows. - Skills: deep knowledge of the Ethereum protocol (preference for contributors or those familiar with execution- and consensus-layer specs). Programming experience in Go, Rust, Java, C#, Nim, and Python is relevant. - Location: remote — open to candidates in Europe and other regions globally. Why the Foundation is recruiting now The posting formalizes a workflow the Foundation has already been testing: coordinated AI agents can quickly surface many potential issues, but human researchers must reproduce findings, assess impact, and weed out false positives. In a July 9 technical post, the Protocol Security team said the agents “found real bugs…The surprise was how little of the work went into finding them, and how much went into telling the real bugs from the ones that just looked real.” One confirmed result of those tests was a remotely triggered panic in libp2p’s gossipsub component — part of the peer‑to‑peer layer used by consensus clients — which was fixed prior to being disclosed as CVE‑2026‑34219. The team emphasized that most effort went into producing reproducible evidence, proof‑of‑concept code, and human review before treating AI-generated reports as true vulnerabilities. Context inside the Foundation This hiring comes amid a period of organizational change. Less than a month earlier, the Foundation dissolved its Protocol Support team in a restructuring that eliminated 54 positions (about 20% of staff). Protocol Support had coordinated core developer meetings, tracked network upgrades, helped contributors navigate EIPs, and ran developer training. Several former Foundation researchers have since moved to independent ventures: Mo Jalil, Oskar Thorén, and Aaryamann Challani co‑founded EthSystems (backed by Bitmine, SharpLink, and ConsenSys CEO Joe Lubin), and Francesco D’Amato joined Ethlabs on July 16. At the same time, the Foundation reinforced its security focus by appointing security researcher Pascal Caversaccio to the board on July 29 for an initial one‑year voluntary term, expanding the board to four members. Why it matters to markets and developers Protocol security has broad real‑world consequences: Ethereum underpins spot ETFs, stablecoins, tokenized assets, and institutional financial apps. A flaw in consensus rules or client implementations could ripple well beyond the Foundation. The new role doesn’t signal a fresh, undisclosed vulnerability — rather, it expands the team tasked with catching issues before protocol changes land on mainnet and ensuring coordinated, responsible disclosure when problems are found. Read more AI-generated news on: undefined/news