Senior Penetration Tester - Offensive Security Lead

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