Join Ethereum Foundation's Protocol Security team to prevent vulnerabilities reaching mainnet.
Work across execution layer, consensus, networking, specs, testing, and client implementations.
Use security research, manual review, fuzzing, AI-assisted analysis, audits, and coordinated

🎯 Requirements

Deep Ethereum protocol experience (EL or CL preferred).
Experience with protocol changes, networking, or execution internals.
Familiarity with fuzzing, vulnerability research, and security tooling.
Languages: Go, Rust, Java, C#, Nim, Python.
Strong analytical and collaboration skills for cross-team coordination.

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