https://jobs.co.uk/job/principal-vulnerability-engineer-remote-xact-placements-limited--3ce53d69-8bd5-4e6d-b7a8-30afa22516ea RSS feed for Principal Vulnerability Engineer - Remote at Xact Placements Limited. en-gb Mon, 25 May 2026 00:08:00 GMT https://jobs.co.uk/job/principal-vulnerability-engineer-remote-xact-placements-limited--3ce53d69-8bd5-4e6d-b7a8-30afa22516ea https://jobs.co.uk/job/principal-vulnerability-engineer-remote-xact-placements-limited--3ce53d69-8bd5-4e6d-b7a8-30afa22516ea Tue, 19 May 2026 11:53:20 GMT Location: London | Salary: 100000.00-100000.00 Annual | Type: Permanent | Principal Vulnerability Engineer High-Growth Cybersecurity Scale-Up Fully Remote (UK)Remote - UK BasedUp to £110,000 + benefitsPermanent - Full timeGot 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 targetsDesigning tooling for automated vulnerability discovery, exploit validation, and detection signature generationArchitecting production-grade, LLM-powered research workflowsFocusing on the vulnerabilities that matter - RCEs, auth bypasses, the bugs that change a client''s risk posture overnightWhat they''re looking for:5+ years of mixed vulnerability research and softwa... Permanent