Sr. Software Engineer, EC2 VPC

Summary

Lead senior systems engineer on the EC2 NX Platforms team, owning the packet processing pipeline that runs beneath every EC2 instance across 9M+ hosts globally. Design and implement ultra-high-performance networking software handling encryption, firewalls, routing, billing, and monitoring — targeting millions of packets per second on a single CPU core through highly optimized C/C++ code and low-level hardware tuning. Mentor junior engineers, lead architecture decisions, conduct design and code reviews, and communicate technical designs with users and senior management. Ship production code with immediate, measurable impact across the entire EC2 fleet powering AWS Lambda and all external workloads.