Protocol Engineer - Platform
Core
Own and operate institutional-grade Ethereum validator infrastructure and the underlying platform layer for blockchain operations.
Role type
Senior Platform Engineer (Ethereum/Staking Infrastructure)
Builds
Validator clusters, consensus/execution clients, MEV infrastructure, key management systems, and observability stacks.
Domain
Blockchain / Digital Assets / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Kubernetes, AWS, Infrastructure-as-Code, GitOps, Observability, CI/CD, Go/Rust/Python/TypeScript, Distributed Systems, Key Management (HSM/MPC), Client Operations
Preferred skills
MEV infrastructure, Multi-chain experience (Solana/Cosmos/L2s), Distributed Validator Technology (DVT), MPC/Threshold Signing, Tokenization/DeFi integration
Technologies
Lighthouse, Prysm, Teku, Nimbus, Geth, Nethermind, Besu, Reth, Web3Signer, EKS, FluxCD, Postgres, KMS, HSM, mev-boost, Obol, SSV
Responsibilities
Operate Ethereum validator infrastructure at scale including consensus and execution clients; Build and maintain platform layer for cluster lifecycle, client upgrades, and peer connectivity; Manage slashing protection and signer infrastructure; Harden shared platform infrastructure including networking and CI/CD; Partner with clients on integration work across staking and tokenization; Generalize client patterns into reusable platform capabilities; Respond to incidents and perform post-mortems on production systems.
Seniority
Senior, hands-on IC