Mobile Security Engineer, Application Security

Amazon is seeking a Mobile Security Engineer to help protect its customers and services through offensive security work. The role focuses on conducting penetration tests of mobile applications and services, identifying and documenting security issues, improving security tooling, and collaborating with technical teams and senior leadership to remediate findings.

Responsibilities:

• Conducting high quality application penetration tests independently, or as part of a team
• Creating detailed engagement plans and thoroughly documenting findings, gaps, and remediation recommendations
• Contributing to team tooling, innovation, and improvements
• Communicating and collaborating with partner teams, service owners, Information Security, and senior leadership to influence, prioritize, and drive the resolution of discovered security findings

Requirements:

• Bachelor's degree in computer science or equivalent
• 3+ years of experience in a penetration testing or similar offensive security role
• 3+ years of experience in client-side application security, including reverse engineering and security assessments
• 3+ years of professional experience with security engineering practices, including: web application security, authentication and authorization protocols, cryptography, automation, and other software security disciplines
• 3+ years of experience with dynamic and manual code auditing to identify security issues
• 3+ years of experience with interpreted or compiled languages (e.g. Python, Ruby, C/C++, Java, .NET)
• Experience with threat modeling, design review, or other threat analysis techniques
• Proficiency with binary analysis tools (e.g. Ghidra, IDA Pro, Radare2, Hopper, Jadx)
• Experience with client-side application instrumentation and dynamic testing (e.g. Frida, Objection, LLDB, Burp Suite)
• Knowledge of cloud services such as AWS or equivalent
• Experience with design, implementation, support, and evaluation of security-focused tools and services
• Experience with mobile application penetration testing
• Familiarity with threat models for client-side applications on consumer devices and the vulnerability classes specific to their platforms and communication protocols
• Experience mentoring developers on secure coding practices and vulnerability mitigations
• Experience in CTF competitions, CVE research, and/or Bug Bounty recognition