Sr RF Engineer, Amazon Leo Government

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.

Innovation is part of our DNA! Our goal is to be Earths most customer centric company and we are just getting started. We need people who want to join an ambitious program that continues to push the state of the art in distributed systems and hardware design.

As a Sr RF engineer on the Leo Government Solutions team you will create Radio Frequency (RF) circuit solutions to support Amazon Leos satellite communication system. This is a unique opportunity to define a new system with few legacy constraints.

The ideal candidate will design analyze and optimize RF systems and subsystems for satellite communication payloads and ground systems. This role requires deep expertise in electromagnetic theory RF link budgets and end-to-end satellite communication architectures.

You will tackle challenging novel situations every day and have the opportunity to work with multiple technical teams at Amazon in different locations partner teams and end customers.

Key job responsibilities
Design develop and test RF subsystems for satellite communication payloads including transponders amplifiers filters and antenna feed networks.

Perform RF link budget analysis for uplink downlink and inter-satellite links across multiple frequency bands (L S C X Ku Ka V).

Develop and validate RF simulation models using tools such as HFSS CST ADS or equivalent.

Design and characterize antenna systems including phased arrays reflector antennas and feed assemblies.

Strong understanding of transmission line theory Smith Chart techniques and impedance matching.

Design passive microwave structures including couplers dividers transitions (waveguide-to-microstrip coax-to-stripline) and integrated filtering.

Experience with RF PCB layout including controlled impedance routing via transitions grounding strategies and EM isolation.

Familiarity with RF component design: LNAs HPAs (TWTAs/SSPAs) mixers filters and multiplexers.

Develop and support integration and test activities for RF hardware including environmental testing (thermal vacuum vibration EMC).

Collaborate with systems engineers to define RF performance requirements and interface specifications.

Experience with RF test equipment (spectrum analyzers network analyzers signal generators power meters).

Knowledge of modulation schemes (QPSK 8PSK 16APSK DVB-S2/S2X) and multiple access techniques (FDMA TDMA CDMA).

Experience with antenna design and characterization.



- Experience in developing functional specifications design verification plans and functional test procedures
- Bachelors degree in electrical engineering or equivalent
- 7 years of wireless communications systems and implementation experience

- Masters degree in electrical engineering computer engineering or equivalent
- Experience working with interdisciplinary teams to execute product design from concept to production
- Experience with the project management of technical projects

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status disability or other legally protected status.

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees supervisors and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees supervisors and staff to ensure exceptional customer service; and follow all federal state and local laws and Company policies. Criminal history may have a direct adverse and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above as well as the abilities to adhere to company policies exercise sound judgment effectively manage stress and work safely and respectfully with others exhibit trustworthiness and professionalism and safeguard business operations and the Companys reputation. Pursuant to the Los Angeles County Fair Chance Ordinance we will consider for employment qualified applicants with arrest and conviction records.

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