Principal Software Engineer, Kuiper MAC Software Development
Principal Software Engineer, Kuiper MAC Software Development
Posted on :
05-05-2025
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1 Vacancy
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Job Description
The MACSoftware organization is primarily responsible for delivering the Medium Access Control (MAC) embedded software modules which implement the Kuiper Radio Interface protocol stack and drive the operation of the Kuiper modems. The MAC layer is responsible for radio link establishment teardown and multiGbps data transfers between the Kuiper Satellites and Ground Systems (Ground Gateways and Customer Terminals ) per controlplane contact orchestration and interoperating with the phasedarray antenna control systems for steering radio beams.
Key job responsibilities
The Principal Engineer (PE) in the MACSoftware organization will own (1) delivering MAClayer and the runtime platform features (2) optimize performance of the MACSoftware while maintaining stability of the Kuiper payload on the satellites in the orbit and the ground systems (3) achieve the scale of Kuipers connectivity footprint to meet and exceed business KPIs (throughput latency packet loss etc.) and (4) lead MAC team for readiness for meeting the Kuiper generalavailability goal (GA). The PE will work crossfunctionally with the leaders across Systems Engineering ASIC hardware networking Payload integration and mission operations teams to develop requirements and technical strategy and provide guidance on the priorities for the MACSoftware team and dive deep into the systemlevel field use cases and solve technical challenges.
Bachelors/Masters/PhD degree in Computer Science Electrical Engineering or related field
10 years in embedded software development on Multicore SoCs
Proven expertise in missioncritical systems development specifically communication systems
Deep knowledge of wireless communications protocols system architecture and design
Handson embedded software debugging and troubleshooting skills
Strong experience with optimizing system performance timing and resources utilization
Experience in developing MAC/PHY layer software for cellular 5G fiberoptic satellite modems
Experience with presilicon validation using emulation and simulation will be a plus
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.
Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $180100/year in our lowest geographic market up to $311200/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on jobrelated knowledge skills and experience. Amazon is a total compensation company. Dependent on the position offered equity signon 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 This position will remain posted until filled. Applicants should apply via our internal or external career site.
Key job responsibilities
The Principal Engineer (PE) in the MACSoftware organization will own (1) delivering MAClayer and the runtime platform features (2) optimize performance of the MACSoftware while maintaining stability of the Kuiper payload on the satellites in the orbit and the ground systems (3) achieve the scale of Kuipers connectivity footprint to meet and exceed business KPIs (throughput latency packet loss etc.) and (4) lead MAC team for readiness for meeting the Kuiper generalavailability goal (GA). The PE will work crossfunctionally with the leaders across Systems Engineering ASIC hardware networking Payload integration and mission operations teams to develop requirements and technical strategy and provide guidance on the priorities for the MACSoftware team and dive deep into the systemlevel field use cases and solve technical challenges.
Bachelors/Masters/PhD degree in Computer Science Electrical Engineering or related field
10 years in embedded software development on Multicore SoCs
Proven expertise in missioncritical systems development specifically communication systems
Deep knowledge of wireless communications protocols system architecture and design
Handson embedded software debugging and troubleshooting skills
Strong experience with optimizing system performance timing and resources utilization
Experience in developing MAC/PHY layer software for cellular 5G fiberoptic satellite modems
Experience with presilicon validation using emulation and simulation will be a plus
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.
Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $180100/year in our lowest geographic market up to $311200/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on jobrelated knowledge skills and experience. Amazon is a total compensation company. Dependent on the position offered equity signon 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 This position will remain posted until filled. Applicants should apply via our internal or external career site.
Required Experience:
Staff IC
Employment Type
Full-Time
Department / Functional Area
Key Skills
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