Ant-Tech

Senior Operations Engineer DeFi Infrastructure

Ant-Tech

United Kingdom of Great Britain and Northern Ireland, United Kingdom
Full time · Remote
24 May, 2026

Skills

Ethereum

About the Role

## Tasks We’re hiring a Senior Operations Engineer to own the reliability, security, and observability of institutional-grade DeFi operations infrastructure. This role is focused on operating production DeFi systems at scale — including vaults, multisigs, on-chain treasury infrastructure, automation pipelines, monitoring, and security tooling across Ethereum and L2 ecosystems. 🔧 What You’ll Work On • Security automation and transaction policy controls • Automation reliability, testing, and failure handling • Monitoring and alerting systems for multi-chain operations • Production-grade DeFi operational infrastructure • Wallet security, vault operations, and transaction validation ## Requirements Requirements • 5+ years in software engineering • 3+ years in DeFi/Web3 operations • Experience operating multisigs, vaults, or on-chain treasury systems • Strong experience with Safe (Gnosis Safe) SDK and transaction flows • Security tooling integration experience (Hypernative, Blockaid, Forta, etc.) • Strong testing and automation engineering background ⭐ Nice to Have • Datadog, Grafana, PagerDuty, or custom monitoring systems • ERC-4626 vault experience • Fireblocks / BitGo familiarity • Multi-chain operations across Ethereum & L2s • Rapid prototyping using AI tools
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