Principal Gateway Engineer
AST SpaceMobile, Dallas, Texas +1
About the job
AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight.
Position Overview
We're looking for a Principal Gateway Engineer to help design, deploy, optimize, and troubleshoot packet core gateway infrastructure that carries subscriber data traffic across mobile networks. This role will work across the full call flow lifecycle, from initial device registration and session establishment through mobility management and data transfer, ensuring reliable connectivity and service performance.
As a senior technical contributor, you will partner closely with radio access, core network, IMS, device, and platform engineering teams to identify and resolve issues impacting network performance, subscriber experience, and service availability. You will play a key role in developing technical standards, validating network requirements, and supporting the deployment of scalable and resilient core network solutions.