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Principal Gateway Engineer designing and optimizing packet core gateway infrastructure for space-based 5G/4G networks. Works across radio access, core network, and platform teams on LTE/5G technologies using Python, Bash, Wireshark, and monitoring tools.
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.
The ideal candidate brings strong expertise in LTE and 5G core technologies, hands-on troubleshooting experience, and a deep understanding of packet core architecture, signaling protocols, and network operations.
Key Responsibilities
Qualifications
Education:
Experience:
Preferred Qualifications:
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Physical Requirements:
This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands.
AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
