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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