Sr. DSP Modem Embedded Engineer, Amazon Leo

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.

As a Sr. DSP Modem Embedded Software Design Engineer you will participate in all phases of DSP physical layer software development from requirements through implementation and test to operations. Our team tackles all of the layer 1 tasks on the satellite system.

Key Responsibilities:

- Develop embedded software in assembly C and C in a real-time operating system environment for broadband satellite modem systems.
- Write real-time critical software to augment and interact with hardware blocks such as FFT correlator codec DPD etc.
- Write device drivers and system applications for satellite broadband link management.
- Work closely with modem and hardware teams to lead emulation board bring-up integration and testing

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.

- Masters degree in Computer Science Computer Engineering or Electrical Engineering or experience with ARM and various DSP ISAs
- 7 Years of DSP Modem experience or equivalent experience.
- 7 years of non-internship professional software development experience including code development methodologies debugging version control and code maintenance.
- 7 years of experience with DSP modem development and test.
- 7 years of experience with wireless communications systems such as 3/4/5G WIFI or other OFDM systems.
- 7 years of experience with functional DSP modem blocks such as FEC FFTs filters synchronization digital pre-distortion multiple access equalization AGC ACM etc.

- 7 years experience with RF HW and impairments
- 7 years with lab debugging tools and methods (emulation signal tracing spectrum analyzers channel simulators and logic analyzers)
- Familiarity with ASIC design verification and bring-up
- Familiarity with modem system simulation in Matlab or C/C
- PhD in DSP signal processing communications systems or similar

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.

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 for more information. If the country/region youre applying in isnt 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 CA San Diego - 159200.00 - 215300.00 USD annually
USA WA Redmond - 159200.00 - 215300.00 USD annually

Required Experience:

Senior IC