Software Development Engineer - Embedded, UMAC
Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Sep 30, 2026.
Amazon Leo is Amazon's low Earth orbit satellite network. Our mission is to deliver fast, reliable internet connectivity to customers beyond the reach of existing networks. From individual households to schools, hospitals, businesses, and government agencies, Amazon Leo will serve people and organizations operating in locations without reliable connectivity.
Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
Key job responsibilities
Have you wanted an opportunity to develop the core wireless and networking for an advanced global telecom service spanning both space and terrestrial networks? Have you wondered what it takes to solve a multi-dimensional routing problem at global scale? Amazon Leo's UMAC team will design, implement and operate Leo's network control plane for the network MAC layer. This service will enable a high throughput telecom service using a system of LEO satellites, customer terminals, gateways, cloud services, and terrestrial network infrastructure that connect into public and private networks. For this role, you will:
- Take responsibility for designing and delivering a modern, flexible, scalable, high throughput, low latency network architecture.
- Implement Routing and Forwarding, Traffic Engineering, and SDN technologies to deliver the best-in-class broadband network services for our customers.
- Implement highly-available software that will drive networking control plane operation on physical and remote nodes.
- Define and automate processes used for software development, implementation, testing, and maintenance.
- Provide operational excellence for control plane services, to including enabling tools and definition/refinement of operational processes.
- Developing routing control plane software for network nodes in C and Rust.
A day in the life
This is an opportunity to be at the heart of the design, building and operation of a massive satellite constellation and terrestrial network. We interact with the satellite ground control services, the customer engagement systems and monitoring services to constantly fine-tune our network and deliver a high quality service to our customers. You will be responsible to build the best network for our customers.
About the team
The UMAC team is building the control plane driving the Leo Network. Innovation is in our DNA and we tackle the problems presented by a dynamic network at global scale. It is our responsibility to ensure that the network works and our customer has a one-of-a-kind experience using our service.
Our team will design, implement and operate the control plane that provides a high throughput telecom service comprised of Low Earth Orbit satellites, customer terminals, gateways, Cloud services and terrestrial network infrastructure that connects into public and private networks.
Basic qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Preferred qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.
The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.
USA, WA, Redmond - 143,700.00 - 194,400.00 USD annually