Senior Security Engineer Jobs in Boston, MA (NOW HIRING)

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
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. Provide guidance and advise to senior leaders, including providing ideas for team goals, contributing to Operational Planning and newsletters.
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

Demonstrated ability to communicate clearly across organization levels including ttechnical and non technical audience
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. Ability to write code for security automation.
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
A day in the life
As a Senior Security Engineer, you will collaborate with application development teams to ensure we keep our customers safe while developing novel services using GenAI. In a given day, you might be inspecting an application's code for security issues, building a new framework to help our software developers build faster and more securely, or fine-tuning the design for a new service

The ideal candidate combines technical acumen with an ability to lead by influence and communicate clearly. Technically, this person will be a security specialist with one or more areas of deep expertise within application security. They will clearly articulate risks to technical and non-technical audiences alike.

Successful candidates will effectively harmonize disparate opinions while effectively prioritizing risks to guide their partners towards secure solutions.
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.