Senior Security Engineer: Threat Modeling & Secure Design

Amazon Inc.; Austin (TX); On-site; USD 178,000 - 227,000; Full time

Benefits offered by this job

RSUs

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Amazon.com Services LLC in Austin, TX is seeking a Senior Security Engineer to drive security initiatives across multiple services and teams, with deep expertise in application security, threat modeling, and secure system design.

You will lead security reviews, perform threat modeling, mentor engineers, and build scalable security tooling to reduce risk and toil across the organization.

Qualifications

• 4+ years of non‑internship background in troubleshooting systems issues, analyzing logs, or automating complex tasks using command line tools experience.
• 5+ years of work in identifying security issues and risks, and developing mitigation plans experience.
• 4+ years of (non‑internship) scripting, programming, and security code review in common programming languages experience.
• Knowledge of at least two of the following programming languages: Scala, Java, Python, C/C++, or Go.
• Experience as a mentor, tech lead or leading an engineering team.
• Experience applying threat modeling or other risk identification techniques or equivalent.
• Experience with security in service‑oriented architectures/microservices and web services.

Responsibilities

• Lead end-to-end security reviews for complex, high-priority services including design reviews, threat modeling, and penetration testing scoping and readout
• Serve as a subject matter expert for assigned affinity teams, providing architectural guidance and security consultation to service teams throughout the development lifecycle
• Independently perform and guide threat modeling exercises for complex distributed systems, identifying risks and recommending mitigations
• Conduct targeted manual code reviews of security-critical components, identifying vulnerabilities and insecure patterns that automated tools miss
• Scope, coordinate, and oversee penetration testing engagements; analyze results and drive remediation with service teams
• Identify, document, and track security findings to resolution; elevate critical issues to leadership when appropriate
• Mentor junior engineers, contribute to team processes and tooling improvements, and raise the security bar across the organization
• Design and build security automation, tooling, and processes that improve operational efficiency and scale the team's impact
• Leverage generative AI and machine learning to build intelligent security automations that streamline review workflows, enhance vulnerability detection, and reduce manual toil
• Partner with service teams to improve security posture proactively, including developing self-service guidance, documentation, and readiness frameworks
• Define and track security metrics that measure risk reduction, operational efficiency, and builder experience improvements

Skills

Troubleshooting & logs

Security issues & mitigation

Scripting & programming

Threat modeling

Mentorship/leadership

Security in microservices

Experience with OS/service security

Tools

Scala

Java

Python

C/C++

Go

Job description

Amazon.com Services LLC in Austin, TX is seeking a Senior Security Engineer to drive security initiatives across multiple services and teams, with deep expertise in application security, threat modeling, and secure system design.

You will lead security reviews, perform threat modeling, mentor engineers, and build scalable security tooling to reduce risk and toil across the organization.