Senior Offensive Security & Penetration Tester

EY is seeking a Senior Attack & Penetration Tester to join its global security practice. You will plan, lead, and execute advanced penetration tests and red team engagements across external networks, AD, cloud, APIs, and mobile apps while applying MITRE ATT&CK-aligned methods.

Expect to mentor junior staff and deliver executive-ready findings to clients. You will work in a dynamic, globally distributed team, collaborating with client technical groups and stakeholders to implement practical