Amazon LEO is an initiative to increase global broadband access through a constellation of 3,236 satellites in low Earth orbit (LEO). Its mission is to bring fast, affordable broadband to unserved and underserved communities around the world. Amazon LEO will help close the digital divide by delivering fast, affordable broadband to a wide range of customers, including consumers, businesses, government agencies, and other organizations operating in places without reliable connectivity.
Key job responsibilities
As a Sr. CT System Engineer, you will be responsible for Customer Terminal (CT) integration and validation with hardware, software, and firmware. You will be working in a collaborative environment with a multi-disciplinary team. In this role, your responsibilities include:

• Develop the CT architecture by working closely with sub-system engineers in electrical, RF, antenna, thermal, modem, DSP, ASIC, algorithm, firmware, modeling, and software
• Design tradeoffs of various CT architectures including RF and performance simulation to support tradeoff decisions
• Develop, maintain, and support customer terminal validation hardware, lab, and software
• Proactively engage with internal and external development partners on Systems’ hardware and software architectures and implementation
• Ensure delivered work meets technical, functional, performance, regulatory and business requirements
• Perform in-field and on-orbit validation with satellites
• Traveling up to 10% of the time, depending on project phases

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.
A day in the life
As a Sr. CT System Engineer on the Leo Customer Terminal Team, you will work daily with electrical, hardware, RF, antenna, silicon, and product design engineers, as well as software and operations teams in a collaborative environment. Your focus will be on the validation of hardware sub-systems, high-speed digital communication buses, antenna array boards, hardware components, and low-speed serial communication buses.
About the team
The Leo Customer Terminal team is responsible for developing both outdoor & indoor devices, enabling customers internet service via the Leo satellite network. We own the entire process from early prototypes through mass production including requirements documents, architecture definition, hardware development, and all integration/verification testing.

Basic Qualifications

• 3+ years of hardware design and validation of components, subsystems and systems experience
• Bachelor's degree in electrical engineering, computer engineering, computer science, physics, or other relevant engineering discipline
• 5+ years of satellite terminal development, integration, and validation experience
• Strong understanding of communication systems, RF, and phased array antenna
• Experience in MATLAB, Python or C++
• Familiarity with test instruments such as oscilloscope, spectrum analyzers, vector signal analyzers, vector signal generators, channel emulators, network emulators, and GNSS emulators
• 5+ years of experience in development for complex telecommunication, antenna, and/or satellite communication systems development

Preferred Qualifications

• Master’s or PhD degree in Electrical/Computer Engineering or other relevant engineering discipline
• Knowledge of digital communication systems, error correction, synchronization, spread spectrum, single and multi-carrier techniques, and modulation types such as QPSK, APSK, and QAM
• Experience working with mobility satellite terminals such as maritime and aeronautical
• Understanding of free space communication and satellite link budget principles in Ka-band
• Experience in developing simulation and modeling tools
• Familiarity with active and passive RF components, EE hardware, beamforming circuits, and electromagnetic propagation
• Satellite over-the-air communication field trial experience
• Debugging skills for systems integration from RF front end to baseband
• Design experience with high-speed digital and/or RF circuitry in collaboration with various teams
  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.
  Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $136,100/year in our lowest geographic market up to $235,200/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit https://www.aboutamazon.com/workplace/employee-benefits. This position will remain posted until filled. Applicants should apply via our internal or external career site.