Application Security Penetration Engineer
Citi · United States of America
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- Company
- Citi
- Location
- United States of America
- Posted
- October 14, 2026
About this job
Citi is seeking an Application Security Penetration Tester to join its Offensive Security team, conducting deep-dive vulnerability assessments across web applications, mobile, thick clients, APIs, microservices, and emerging Generative AI/LLM implementations. This role is well-suited for either an experienced penetration tester looking to deepen their offensive security career or a software developer/engineer seeking to transition into cybersecurity. The analyst will manually identify, research, validate, and safely exploit known and zero-day vulnerabilities, then translate technical findings into clear risk guidance for developers, architects, and ML engineers.…
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