SDE - Threat Intel Systems, ACTI Engineering

Job :  |  Services LLC

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.

• 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.
• Build some of the largest‑scale intelligence tooling on earth to defend against evolving security threats.
• Respond to production incidents and participate in an on‑call rotation.

As an SDE II on ACTI Engineering, you contribute to the design and delivery of production systems that power threat intelligence at Amazon scale. On a given week you might:

• Design and implement services that ingest, normalize, and correlate investigative data from across Amazon.
• Develop and optimize APIs that provide intelligence data to internal customer teams, enabling them to build detections, agents, and dashboards on top of the platform.
• Partner with analysts to translate investigative workflows into scalable, automated pipelines.
• Lead technical design reviews, write design documents, and mentor SDEs on the team.
• Operate what you build — respond to operational events, drive root‑cause analysis, and improve system reliability.
• Evaluate build‑vs‑buy decisions for intelligence tooling and present recommendations to leadership.

• 3+ years of non‑internship professional software development experience.
• 2+ years of non‑internship design or architecture experience (design patterns, reliability and scaling) of new and existing systems.
• 1+ year of software development engineer or related occupational experience.
• 1+ year 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.
• 1+ year of Object Oriented Design experience.
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
• Experience programming with at least one software programming language.

• 3+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Bachelor's degree in computer science or equivalent.
• 2+ years experience with threat intelligence platforms (TIP) or graph databases and query languages.
• Deep knowledge of analysis systems and security automation.
• 2+ years designing and implementing production‑grade systems with Amazon Cloud Development Kit (CDK).

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or any other legally protected status.

If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit (Use the "Apply for this Job" box below). for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign‑on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave.

Learn more about our benefits at .

USA, MD, Annapolis Junction -  -  USD annually

USA, NY, New York -  -  USD annually

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USA, VA, Arlington -  -  USD annually

USA, VA, Herndon -  -  USD annually

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