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The Amazon Cyber Threat Intelligence (ACTI) organization is responsible for investigating, analyzing, and defending against sophisticated cyber threats targeting Amazon's global businesses and customers. ACTI combines technical expertise, strategic analysis, and advanced tooling to identify emerging threats, track adversary activities, and provide actionable intelligence across Amazon's security ecosystem.
As a Software Development Engineer within ACTI Engineering, you will architect and contribute to the development of mission-critical distributed systems that power Amazon's threat intelligence capabilities. You will make key technical decisions that shape our platform's architecture, designing scalable solutions that process, analyze, and correlate vast amounts of security data across Amazon's global infrastructure

Your technical leadership will directly influence ACTI's ability to detect, analyze, and respond to emerging security threats at scale.
This position requires that the candidate selected be a US Citizen.
Key job responsibilities
* Own and architect critical components of ACTI's threat intelligence platforms, making key technical decisions that impact system scalability, performance, and reliability
* Design and implement distributed systems that process petabytes of security data
* Lead the development of service-oriented architectures that integrate complex threat intelligence workflows
* Drive technical decisions around data modeling, storage solutions, and processing frameworks
* Own the full software development lifecycle, from design through deployment and operational excellence
* Mentor junior engineers on system design, coding practices, and architectural patterns
* Partner with threat intelligence analysts to translate complex requirements into scalable technical solutions
* Building some of the largest scale intelligence tooling on earth to defend against evolving security threats
* Production incidents and being part of an on-call rotation
Technical Requirements:
* Strong experience designing and implementing distributed systems at scale
* Deep expertise in service-oriented architecture design patterns
* Proven track record of leading technical projects and making architectural decisions
* Strong proficiency in Python and Typescript
* Experience building production-grade applications
* Experience with AWS services and cloud-native architectures
* Demonstrated ability to optimize and scale data processing pipelines
* Experience with monitoring, troubleshooting, and optimizing distributed systems
A day in the life
Threat Intelligence (TI) protects Amazon and its subsidiaries by proactively analyzing new security threats, identifying malicious actors, and researching the evolving threat landscape. ACTI Engineering partners with teams throughout Amazon to facilitate information sharing and increase security resilience through cross-functional collaboration. We share actionable cyber threat information and focus on continually developing collaboration and partnerships with security & intelligence teams throughout Amazon and the security industry

TI drives and enhances our ability to emulate threat actors, respond to security incidents, and to stay one step ahead of our adversaries.
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.