[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Amazon jobs](https://jobs.opennash.com/companies/amazon/) · [Search jobs](/search/) Amazon · San Diego, CA # Sr. Communication Systems Engineer US, CA, San Diego Senior individual contributor Operations Listed on Amazon’s official careers site. Posted September 29, 2026. Check that it is still open and apply there. [Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10564296/sr-communication-systems-engineer) [OpenNash Jobs](https://jobs.opennash.com/) / [Amazon](https://jobs.opennash.com/companies/amazon/) / Sr. Communication Systems Engineer ## Job description Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. Come work at Amazon! ### The Role Be part of the team defining the overall communication system and architecture of Leo’s broadband wireless network. This is a unique opportunity to innovate and define groundbreaking wireless technology with few legacy constraints. The team develops and designs the communication system of Leo and analyzes its overall system level performance such as for overall throughput, latency, system availability, packet loss etc. This role in particular will be responsible for leading the effort in integration, verification and testing of the systems especially focused on MAC and higher layer testing. This role will also be responsible developing and testing advanced L1/L2/L3 concept to improve the performance and reliability of the LEO network. This role will also be part of a team and develop simulation tools with particular emphasis on modeling the physical layer aspects such as advanced receiver modeling and abstraction, interference cancellation techniques, FEC abstraction models etc. In this role you will: - Work within a project team and take the responsibility for the Leo’s communication system design, system integration and verification. - Work as a part of the team in building a suite of system and network simulation services in Matlab / C++ / Python - Develop requirements from system level to HW/SW level and define test cases associated with the requirements. - Identify additional HW and SW that are needed for the purposes of verification and guide the HW/SW development team in the development of these test solutions/tools// - Work closely with implementation teams to simulate expected system level performance and provide quick feedback on potential improvements - Write scripts / code for functions / features required for specific simulation, testing and verification of given RF system ### EXPORT CONTROL REQUIREMENTS 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. ## At a glance - Posted by the employer: Sep 29, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 11, 2026 - Listed for: 12 days - Location: US, CA, San Diego[Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10564296/sr-communication-systems-engineer) ## More jobs at Amazon ### [ASIC Engineer, Project Leo](https://jobs.opennash.com/companies/amazon/jobs/ae2a0df951349b29413b/) US, CA, San Diego ### [DFT Engineer, Amazon Leo](https://jobs.opennash.com/companies/amazon/jobs/e533448bd934b5d73a14/) US, CA, San Diego ### [HW Engineering Manager, Leo Hardware Development](https://jobs.opennash.com/companies/amazon/jobs/5d7e9796c982af4f0bbb/) US, CA, San Diego ### [Implementation Engineer, Amazon Leo](https://jobs.opennash.com/companies/amazon/jobs/4977d91459a3f6a375f9/) US, CA, San Diego ### [Mechatronic Apprentice I](https://jobs.opennash.com/companies/amazon/jobs/4525f1597bd8b9eb7093/) US, CA, San Diego ## Similar jobs at other companies ### [Communication Systems Electrical Engineer](https://jobs.opennash.com/companies/bae-systems/jobs/2c2469f24d1abec054b6/) BAE Systems · Saint Inigoes, Maryland, United States ### [Engineering Technologist II (Shipboard Radio Communication Systems)](https://jobs.opennash.com/companies/bae-systems/jobs/e21784dfd99167b87c05/) BAE Systems · Saint Inigoes, Maryland, United States ### [Laser Communication Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/784274d542ce851be6eb/) Lockheed Martin · Littleton, CO ### [Satellite Communication (SATCOM) Engineer - TS/SCI w/Poly](https://jobs.opennash.com/companies/general-dynamics/jobs/d7cdfbaff3913f634fbe/) General Dynamics · McLean, VA, US [Jobs in San Diego, CA](/locations/us/ca/san-diego/)[Jobs in California](/locations/us-ca/)[Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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