Software Development Engineer (L5), Perimeter Protection (Anti-DDoS), NFW

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.

You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.

Would you like to develop new AWS services that enhance our customers" ability to protect web applications against evolving threats and attacks? AWS Perimeter Protection has created unique technology and innovative services such as AWS Shield, AWS WAF, AWS Firewall Manager and Network Firewall to monitor and defend some of the largest distributed networks in the world, but it is still only Day 1.

At AWS, you"ll have the opportunity to raise the bar, developing brand new features for recently launched services that defend against evolving threats while providing customers with centralized management and visibility.

We build everything from low-level packet inspection hardware/software to customer-facing AWS services to globally distributed systems capable of mitigating the world"s largest and most sophisticated attacks.

We are looking for talented, motivated and innovative software engineers to join a world-class team responsible for contributing to continued development and enhancement to Network Firewall in Seattle, Washington.

Join us if …

• You want to develop services that defend some of the Internet"s largest businesses from bad actors and malicious requests. The problems we solve are complex and constantly evolving.
• You care deeply about delighting customers and building high quality software. Our leadership principles (http://www.amazon.jobs/principles) empower us to act and challenge us never to accept the status quo.
• You want to work in a fast-paced environment with a start-up atmosphere. We ship code every day!

At AWS, you will play a leading role, influencing how we design, develop, build, deploy and support new services. To be successful, you must be able to research, innovate and create unique solutions. You"ll interact with customers, gathering requirements, designing, implementing, testing and supporting the product operationally; soup to nuts. You will be expected to leverage your technical background and have a significant impact on the direction of new service development.

Successful candidates will enjoy distributed systems design, deep packet analysis, and have outstanding analytical skills and communication ability. They will thrive in a highly collaborative, creative, analytical, and fast-paced environment and be comfortable interacting with highly technical software and networking development teams.

Key job responsibilities

• Design, develop, and maintain scalable distributed systems that power AWS Network Firewall, ensuring high availability and performance at global scale
• Implement deep packet inspection and traffic analysis features to detect and mitigate evolving network threats and attacks
• Collaborate with cross-functional teams to gather customer requirements and translate them into technical designs and working software
• Own the full software development lifecycle from design through deployment and operational support, including on-call responsibilities
• Contribute to system architecture decisions and drive technical direction for new feature development
• Write clean, maintainable, and well-tested code while participating in code reviews to maintain high engineering standards
• Develop automation and tooling to improve operational efficiency, deployment velocity, and system reliability
• Analyze and resolve complex production issues, performing root cause analysis and implementing preventive measures
• Mentor junior engineers and contribute to a culture of technical excellence and continuous improvement

A day in the life

As an SDE on the Network Firewall team, you"ll start your day reviewing operational metrics and customer feedback to prioritize your work. You"ll spend time writing and reviewing code, collaborating with teammates on design discussions, and working directly with customers to understand their security challenges. You"ll participate in sprint planning, contribute to architecture reviews, and deploy code to production - often in the same day. Your internal stakeholders include product managers, security researchers, and partner teams across AWS Perimeter Protection. The problems you solve directly protect some of the world"s largest organizations from sophisticated network attacks.

About the team

The Perimeter Protection team is responsible for building and operating AWS"s suite of network security services - including AWS Shield, AWS WAF, AWS Firewall Manager, and Network Firewall. Our mission is to make it simple for customers to protect their applications and networks from threats at any scale. We operate with a startup mentality inside AWS: we move fast, ship frequently, and empower engineers to own their solutions end-to-end. Our culture values curiosity, customer obsession, and technical depth, and we celebrate bold ideas that push the boundaries of what"s possible in cloud security.