Principal Security Engineer

Amazon Development Centre (London) Limited London, England Mar 10, 2026

Type Full Time
Pay Not listed
Work Onsite
Level Senior

Principal Security Engineer focuses on you own security outcomes that reduce persistent risks and proactively shape organization-level security posture.

What the role involves

  • You own security outcomes that reduce persistent risks and proactively shape organization-level security posture.
  • You develop reusable architectural patterns that balance security requirements with business needs.
  • Lead security architecture working groups, and mentor other security engineers — driving security culture across the organization.
  • Maintain application security review methodology, creating comprehensive frameworks that address various application types and risk levels used across Amazon's wide application lan.
  • Make security architecture decisions for Amazon's most critical application, evaluating high-risk design decisions and establishing security standards for new technology adoption.
  • Driving automation and AI-powered security solutions to scale security reviews, threat detection, and vulnerability management across the application portfolio to match the developme.

Skills and requirements

  • Experience in Threat Modelling, Code Review, and Security Testing.
  • Proven track record of driving security solutions at scale.
  • Experience leading technical security initiatives across multiple teams and stakeholders.
  • Proven ability to influence senior technical leaders.

Candidate fit

  • technical judgement, safe working habits, careful diagnostics, and practical problem-solving

Additional role context

  • Advise on critical security risks, and mentor the broader security engineering team.
  • Regularly partner with VP and SVP-level leadership.
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