Security Engineer: Penetration Testing & AI-Driven CST

Amazon Inc.; Greater London; Remote; GBP 90,000 - 130,000; Full time

Job summary

Amazon Development Centre (London) Limited is seeking a Security Engineer to join Continuous Security Testing. You will think like an adversary, test live AWS services, and aid in building detections and defenses across the fleet.

The role emphasizes creative, signal-driven testing and collaboration with SecOps, AppSec, and service teams. You will design and execute tests against production-like systems, translate findings into actionable fixes, and help scale AI-assisted testing tools.

Qualifications

• Experience conducting threat modeling and red/blue team exercises.
• Proficient in systematic penetration testing of cloud-based environments.
• Ability to design tests that anticipate attacker behaviours and routes.

Responsibilities

• Turn signals and past findings into testable hypotheses about attacker thinking.
• Test live AWS services and internal systems using pen-testing and code review.
• Invent new techniques and research areas to expand coverage and detection.

Skills

Threat modeling

Penetration testing

Adversarial thinking

AI-assisted testing

Cloud security

Tools

Penetration testing tools

AI-assisted testing

Threat intelligence platforms

Job description

Amazon Development Centre (London) Limited is seeking a Security Engineer to join Continuous Security Testing. You will think like an adversary, test live AWS services, and aid in building detections and defenses across the fleet.

The role emphasizes creative, signal-driven testing and collaboration with SecOps, AppSec, and service teams. You will design and execute tests against production-like systems, translate findings into actionable fixes, and help scale AI-assisted testing tools.