5G/4G Cellular Physical Layer Firmware Engineer


Cupertino, CA 95015

Posted 1 month ago

Job Description

5G/4G Cellular Physical Layer Firmware Engineer

Santa Clara Valley (Cupertino),California,United States


+ Understanding of 5G and 4G 3GPP protocols.

+ Experience with Physical Layer in one or more of the following areas: GSM, UMTS/HSPA, LTE, 5G

+ Hands-on experience with PHY L1 Software/Firmware and/or PHY algorithms in 4G/5G is a plus

+ Deep understanding of software engineering principles, and core computer science fundamentals.

+ Fundamental facility with C and C++, compilers, build and source code control tools

+ Significant experience with memory constrained Real Time Operating Systems (RTOS) and concurrent programming.

+ Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of high speed communication subsystems.

+ Experience with silicon prototyping, emulation systems, and virtual platforms.

+ Proficiency debugging embedded software systems.

+ Familiarity with UARTs,JTAG, and oscilloscopes.

+ Some mainstream OS application level development and Python or Perl scripting experience.

+ Knowledge and experience of Matlab is a plus.


• Specify, design, and implement the firmware architecture of a state-of-the-art mobile wireless communications system. • Implement key protocol, signal processing and numerical algorithms with very tight time, latency and energy budgets by interfacing to specialized cellular ASIC hardware. • Work with silicon designers to define processor, bus, DMA, accelerator, and memory subsystems. • Work with Software designers to define interfaces to protocol stack, MAC/RRC and required processor subsystems. • Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon FW design and HW verification. • Evaluate and implement leading edge tools for build, formal verification and test. • Define methodologies and best practices.

**Education & Experience**

Bachelors degree in electrical engineering or computer science or experience is required.

**Additional Requirements**

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