Senior Security Engineer - Threat Intelligence Systems, ACTI Engineering

About the role

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.

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

Requirements

• Strong experience designing and implementing distributed systems at scale
• Deep expertise in service-oriented architecture design patterns
• Prominent 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

Qualifications

• 4+ years of non-internship background in troubleshooting systems issues, analyzing logs, or automating complex tasks using command line tools experience
• 5+ years of work in identifying security issues and risks, and developing mitigation plans
• 4+ years of (non-internship) scripting, programming, and security code review in common programming languages
• Knowledge of at least two of the following programming languages: Scala, Java, Python, C/C++, or Go
• Experience (non-internship) in scripting, programming, and security code reviewing in a common programming language
• Experience (non-internship) in troubleshooting systems issues, analyzing logs, or automating complex tasks using command line tools
• Experience working in identifying security issues and risks, and developing mitigation plans
• Experience (non-internship) in industry-based security vulnerabilities identification, attack patterns, and remediation techniques
• Experience as a mentor, tech lead or leading an engineering team

Benefits

Amazon offers comprehensive benefits including health insurance, 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.