Security Engineer, Internal Audit

Amazon's Internal Audit Security team is seeking a Security Engineer II to join our mission of protecting customer data and keeping Amazon secure. You will partner with world-class engineering teams to uncover vulnerabilities, design novel abuse scenarios, and assess large-scale security solutions across Amazon's products, services, and infrastructure.

In this role, you will leverage your skills in vulnerability assessment, exploitation, penetration testing, and red teaming to identify and mitigate risks. Your work will span source code analysis, network penetration, and application exploitation. You will design, implement, and execute methodologies for security assessments of critical Amazon systems. You will be exposed to the full breadth of technology used across Amazon and its subsidiaries, influence security architectures, and communicate risks to Senior Executives.

This role requires technical depth coupled with the ability to operate independently and as part of highly-skilled teams.


Key job responsibilities
- Conduct full-cycle security engagements spanning vulnerability discovery, exploitation, risk analysis, and remediation planning
- Perform security assessments including design reviews, threat modeling, and penetration testing on production software, hardware, networks, and cloud services
- Execute comprehensive security testing following Internal Audit standards and industry best practices
- Develop novel abuse scenarios and campaigns to push boundaries and enhance Amazon's security
- Build large-scale security solutions for testing, monitoring, remediation, analytics, and automation across Amazon
- Collaborate with development teams to create new security tooling and enable secure software practices
- Demonstrate exceptional judgment, integrity, technical expertise, business acumen, and communication skills
- Prepare and deliver security risk recommendations to technical teams and leadership

About the team
Internal Audit Security executes independent assessments of the efficacy of Amazon's layered security controls. We prioritize security assessments of systems and processes that may impact foundational technologies, human safety, privacy and durability of customer data, and financial systems. We believe active tests are required to assess complex environments and emphasize custom tooling to enable safe operation at scale.

At Amazon, we embrace diversity, equity, and inclusion. We are dedicated to building an environment that celebrates knowledge sharing, mentorship, and career growth for our team members. Join us in delivering secure, trusted experiences for Amazon customers worldwide.

Basic Qualifications

- 4+ years experience in offensive and/or defensive security roles
- Bachelor's degree in Computer Science, related fields, or equivalent experience
- Proficiency in multiple programming and scripting languages like Python, Ruby, Bash, C, and Java
- Hands-on experience with security testing tools and techniques
- Excellent written/verbal communication skills

Preferred Qualifications

- Domain expertise in at least two of: security architecture and engineering, communication and network security, identity and access management (IAM), security assessment and testing, cryptography, software development security, and reverse engineering
- Vulnerability research experience with complex software and hardware components
- Cloud computing (AWS), virtualization, containerization architecture knowledge
- Experience with the design and implementation of technical security controls at the business division level
- Experience with microservices, APIs, and distributed systems
- Strong data analysis abilities to derive insights from security signals
- Participation in bug bounty programs
- Experience building scalable, reusable security frameworks and tools
- Web service assessment experience with authentication controls, session management, access controls, logic flaws, injection vulnerabilities, request smuggling, cloud privilege escalation, DOS attacks
- Experience using boto3
- Ability to navigate ambiguity, make tough technical decisions, and drive initiatives

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this