Senior Penetration Tester & Red Team Lead

EY is seeking a Senior Attack & Penetration Tester to join our global security team. You will plan, lead, and execute complex penetration tests and red team engagements across external and internal environments, including AD, cloud, APIs, web and mobile apps.

You’ll apply threat-informed testing aligned with MITRE ATT&CK and translate findings into practical remediation for clients. Ideal candidates will mentor junior testers, coordinate testing activities, and stay current on emerging adversary