Senior Penetration Tester: Whitebox Security Lead (Hybrid)

Citi is seeking a highly skilled Senior Penetration Tester to lead advanced security testing across Citi's applications and infrastructure. You will perform deep vulnerability research, whitebox testing with access to source code and design docs, and provide remediation guidance to development teams. The role requires expertise in programming languages such as Java, C#, Python, and Java Script, familiarity with SAST/DAST tools, and a strong track record in OWASP Top 10 and API security.