Xact Placements Limited
London, UK
Principal Vulnerability Engineer High-Growth Cybersecurity Scale-Up Fully Remote (UK) Remote - UK Based Up to £110,000 + benefits Permanent - Full time Got a track record of 0-day discoveries, public CVEs, and a reputation for finding bugs that actually move the needle? Join a research-driven, venture-backed cybersecurity scale-up trusted by Fortune 500 enterprises and critical infrastructure providers. Recognised by Gartner, $29M funded, and scaling fast worldwide. As a Principal Vulnerability Engineer , you'll own the full vulnerability lifecycle - from discovery, through detection, to deployment - building production-grade tooling and pioneering LLM-powered offensive security workflows. What you'll be doing: Leading deep research across 0-days and n-days , with patch diffing across source-available and binary-only targets Designing tooling for automated vulnerability discovery, exploit validation, and detection signature generation Architecting...