Senior Penetration Tester — Offensive Security Lead
Role Description & Technical Scope
London Stock Exchange Group (LSEG) seeks a Senior Penetration Tester to join our internal offensive security team. This hands-on, highly technical role plans and executes penetration tests across systems and applications, uncovering vulnerabilities and raising security standards.
You will own engagements end-to-end, write technical reports, and collaborate with engineering teams to remediate findings. Experience with cloud, containers, and enterprise environments is essential; strong English
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Key Details
- Date Posted: 17 Oct 2026
- Location: london
- Employment: Permanent
- Workplace: Hybrid
- Domain: IT & Technology
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London Stock Exchange Group
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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