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Amazon · Seattle, WA

Senior Security Engineer, Proactive Security

US, WA, SeattleSenior individual contributorSecurity

Listed on Amazon’s official careers site. Posted June 9, 2026. Check that it is still open and apply there.

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Job description

The Senior Security Engineer is a senior individual contributor responsible for independently driving security initiatives across multiple services and teams. This role requires deep technical expertise in application security, threat modeling, and secure system design, combined with the ability to influence engineering teams and deliver high-impact security outcomes with minimal guidance.

Key job responsibilities

Security Reviews & Assessments

Lead end-to-end security reviews for complex, high-priority services including design reviews, threat modeling, and penetration testing scoping and readout

Technical Leadership

Serve as a subject matter expert for assigned affinity teams, providing architectural guidance and security consultation to service teams throughout the development lifecycle

Threat Modeling

Independently perform and guide threat modeling exercises for complex distributed systems, identifying risks and recommending mitigations

Manual Code Review

Conduct targeted manual code reviews of security-critical components, identifying vulnerabilities and insecure patterns that automated tools miss

Penetration Testing

Scope, coordinate, and oversee penetration testing engagements; analyze results and drive remediation with service teams

Findings Management

Identify, document, and track security findings to resolution; escalate critical issues to leadership when appropriate

Mentorship & Influence

Mentor junior engineers, contribute to team processes and tooling improvements, and raise the security bar across the organization

Design & Build Security Tooling

Design and build security automation, tooling, and processes that improve operational efficiency and scale the team's impact

AI-Powered Security Automation

Leverage generative AI and machine learning to build intelligent security automations that streamline review workflows, enhance vulnerability detection, and reduce manual toil

Builder Engagement

Partner with service teams to improve security posture proactively, including developing self-service guidance, documentation, and readiness frameworks

Metrics & Reporting

Define and track security metrics that measure risk reduction, operational efficiency, and builder experience improvements

About the team

Diverse Experiences

Amazon Security values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

Why Amazon Security?

At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.

Inclusive Team Culture

In Amazon Security, it’s in our nature to learn and be curious. Ongoing DEI events and learning experiences inspire us to continue learning and to embrace our uniqueness. Addressing the toughest security challenges requires that we seek out and celebrate a diversity of ideas, perspectives, and voices.

Training & Career Growth

We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, training, and other career-advancing resources here to help you develop into a better-rounded professional.

Work/Life Balance

We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve.

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