Manager, Software Development, ENA Express Team, Annapurna Labs

AWS Networking builds the infrastructure that powers every customer workload in the cloud. We are seeking a hands-on Software Development Manager to lead the ENA Express team. ENA Express is a next-generation EC2 networking feature that leverages the Scalable Reliable Datagram (SRD) protocol — developed by AWS — to deliver industry-leading networking performance: dramatically lower tail latency, higher bandwidth utilization, and consistent packet delivery at scale. Key job responsibilities • The team under your leadership will design and develop features across the AWS Networking software stack on Nitro Cards. • Together with the team you'll deep-dive into ENA Express and the underlying SRD protocol and L3/L4 networking to optimize packet delivery, reduce tail latency, and improve bandwidth utilization. • You'll collaborate with hardware and firmware partners to define software/hardware interfaces and surface programmable capabilities to the software layer • You'll partner with EC2 platform and service teams to integrate ENA Express features into the broader AWS networking ecosystem • You'll mentor junior and mid-level engineers, lead design reviews, and champion engineering best practices across the team •You'll drive operational excellence: build observability, contribute to on-call health, and lead incident response and post-mortems About the team The organization you would be joining is Annapurna Labs, an integral part of AWS that develops hardware and software components that are critical building blocks for EC2 infrastructure. Every instance in EC2 is running some type of hardware designed by Annapurna Labs. We specialize in designing software, systems, and chips that optimize the AWS customer experience.