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# Software Development Engineer II - Threat Intelligence Systems, ACTI Engineering

- **Company:** Amazon.com, Inc.
- **Location:** Annapolis, MD, United States
- **Salary:** $143,700.0 - $194,400.0
- **Contract:** Internship / Graduate position
- **Skills:** Clean Code Principles, Java (Programming Language), Amazon Web Services, Software Applications, Architectural Patterns, C Sharp (Programming Language), C++ (Programming Language), Cloud Engineering, Query Languages, Software Design Patterns, Distributed Systems, Perl (Programming Language), Graph Database, Python (Programming Language), Object-Oriented Software Development, Software Architecture, Service-Oriented Architecture, Software Engineering, TypeScript, Multithreading, Malware, Cyber Threat Analysis, Information Technology, Cybercrime, Data Pipelines, Security Orchestration, Automation & Response
- **Published:** August 7, 2026
- **Apply:** https://www.amazon.jobs/en/jobs/10495807/software-development-engineer-ii-threat-intelligence-systems-acti-engineering

## About the Role

* 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, 3+ years of non-internship professional software development experience
 - 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
 - 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
 - 1+ years of Object Oriented Design experience
 - Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field, Experience with threat intelligence platforms (TIP) or graph databases and query languages
 - Knowledge of malware analysis systems and security automation
 - Experience designing and implementing production-grade systems with Amazon Cloud Development Kit (CDK)

## Description

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., * 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, 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.


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