Systems Development Engineer II, ADC Security Services (A2SE)

About the role

Why AWS Amazon Web Services (AWS) is the world's most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we're building an environment that celebrates knowledge-sharing and mentorship. Our senior members enjoy one-on-one mentoring and thorough, but kind, code reviews. We care about your career growth and strive to assign projects that help our team members develop your engineering expertise so you feel empowered to take on more complex tasks in the future. AWS Infrastructure Services (AIS) AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who want to help. Inclusive Team Culture AWS values curiosity and connection. Our employee-led and company-sponsored affinity groups promote inclusion and empower our

Additional Information

Application deadline: Jun 9, 2026 Are you passionate about security and building systems that protect critical infrastructure at scale? Do you want to join a team that invents, scales, and operates foundational security services used across all of Amazon? The Amazon Dedicated Cloud (ADC) Security Systems Engineering (AS2E) team is responsible for building, deploying, and maintaining the security services that secure our systems, processes, and data in US Amazon Dedicated Cloud (ADC) Regions. We build authentication, authorization, and enforcement services used across diverse internal teams as they deliver services for our customers. We support all of Amazon.com and AWS with our services, and need solution-oriented thinkers who are passionate about solving problems at scale, thinking through edge cases, and iterating quickly to delight our customers. You'll love this team if you are curious about how we design security into the cloud and Amazon infrastructure - from the minute a server hits our data center through how we securely administer and operate services. We are looking for engineers who think deeply about problems, are creative, and think outside the box in ways that benefit our customers. We are a team of out-of-the-box thinkers who iterate quickly and build secure systems that are easy to use. This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance with polygraph. The position further requires the candidate to opt into a commensurate clearance for each government agency for which they perform AWS work. Key job responsibilities - Design, develop, and deploy scalable security solutions across thousands of devices in ADC regions, continuously improving processes to handle massive-scale operations - Troubleshoot, diagnose, and fix production software issues across multiple languages (Python, Java, TypeScript, Bash, Ruby) - Develop tools, automation, and monitoring solutions to reduce manual toil and improve operational excellence - Conduct deep-dive troubleshooting and technical post-mortems to identify root causes of complex issues - Proactively address system variances affecting major services, investigating service inter-dependencies and region-specific configurations - Collaborate with cross-functional teams to optimize cloud infrastructure maintenance and drive positive customer experiences - Design new systems, review code, perform design reviews, and contribute to org-wide initiatives to improve the builder experience - Mentor other engineers and contribute to a culture of knowledge-sharing and technical excellence A day in the life As a System Development Engineer II, you will collaborate with internal service teams to enhance system health, maintainability, and operational efficiency. Your work will involve improving tooling and product builds, ensuring that our systems run smoothly and effectively. You will tackle complex technical challenges faced by our customers, providing scalable solutions to advanced problems. The primary focus of the team is on the growth and delivery of Security Services in ADC regions. Working in a high-trust environment, you will partner closely with internal service teams to quickly resolve issues through code, driving positive customer experiences. You will work as part of a team ensuring no one is on an island, and you will be empowered to learn new skills and build new products where you see a need for our customers.

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