Cellular Modem Firmware Engineer, Protocol Stack

le contenu du travail

Google welcomes people with disabilities.

Minimum qualifications:

• Master’s degree in Communications/Electrical Engineering, related field, or equivalent practical experience
• 3 years of experience with LTE, 5G NR protocols (RRC/PDCP/RLC/MAC) development
• Experience in C, C++, and embedded real-time operating system (RTOS)
• Experience in 3GPP, software development, lab equipment, programming language, etc
  
  

Preferred qualifications:

• Experience in modem performance analysis and improvement: call performance (CSFB/VoLTE/EPSFB/VoNR, WiFi calling), data performance, connectivity performance, thermal/power performance
• Knowledge and experience in 3GPP (NR, LTE, WCDMA)
• Domain expertise in cellular protocol stack: control plane, data plane, NAS/RRC/SDAP/PDCP/RLC/MAC/PHY, ENDC, NRDC
• Excellent programming skill in C/C++/Python and good understanding of network protocol such as TCP/IP
  
  

About the jobGoogle’s mission is to organize the world’s information and make it universally accessible and useful. Our Devices & Services team combines the best of Google AI, Software, and Hardware to create radically helpful experiences for users. We research, design, and develop new technologies and hardware to make our user’s interaction with computing faster, seamless, and more powerful. Whether finding new ways to capture and sense the world around us, advancing form factors, or improving interaction methods, the Devices & Services team is making people’s lives better through technology.

Responsibilities

• Develop modem software and verify end to end modem feature functionalities and performance to improve user experience, including but not limited to call, voice quality, data, thermal/power, connectivity.
• Identify modem software performance gaps by analyzing system requirement, design, software implementation, issue analysis and simulation of real world scenarios.
• Debug, analyze and fix modem issues from factory, certification (GCF/PTCRB/IOT), field and end users
• Identify key performance scenarios and recreate the scenario in the lab environment for further research and development for more optimized solutions
  
  

Google is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also Google’s EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know by completing our Accommodations for Applicants form .