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Vulnerability Engineer

Xact Placements Limited
London, United Kingdom
Last month
£75,000 – £85,000 pa

Salary

£75,000 – £85,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
Remote
Seniority
Mid
Posted
1 May 2026 (Last month)

Benefits

+ benefits
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Vulnerability Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK)

  • Remote – UK Based
  • £85,000 + benefits
  • Permanent – Full time

Want to spend your days hunting the vulnerabilities that actually matter – the RCEs, the auth bypasses, the bugs attackers will weaponise tomorrow?

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 aVulnerability Engineer, you’ll sit at the intersection of vulnerability research and software engineering – finding bugs, building tools, and pushing the limits of LLM-powered offensive security workflows.

What you’ll be doing:

  • Hands-on research across0-days and n-days, with patch diffing on source-available and binary-only targets
  • Building internal tooling for automated vulnerability discovery, exploit validation, and detection
  • Implementing production-grade,LLM-powered research workflows
  • Hunting the vulnerabilities that havereal material impact – RCEs, auth bypasses, deserialisation bugs

What they’re looking for:

  • 2+ years of hands-onvulnerability research experience
  • Familiarity withn-day reproduction and patch diffing
  • Exposure to bothweb and binary vulnerability classes
  • Software engineering experience, ideally inPython
  • Comfort withBurp Suite, Ghidra/IDA, debuggers, fuzzers
  • Genuine interest in usingLLMs to accelerate security workflows

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