Job Details

5G/4G Cellular L1 Multi-RAT Control Firmware Engineer

San Diego, California, United States
5G/4G Cellular L1 Multi-RAT Control Firmware Engineer

San Diego,California,United States


+ Understanding of 5G and 4G 3GPP standards, or similar Wireless standards and competent knowledge on Physical Layer control procedures.

+ Hands-on experience with L1 Software/Firmware in 2G/3G/4G/5G is a plus.

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

+ Highly proficient with C and C++ programming, proven understanding of compilers, build and source code control tools

+ Significant experience with embedded real-time programming for low latency and memory constrained applications.

+ Experience with Real Time Operating Systems (RTOS) applications, multi-core, multi-threaded and concurrent programming.

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

+ Proficiency in debugging embedded software systems.

+ Familiarity with ETM, ETB, JTAG, and any other trace and debug tools.


- Specify, design, and implement a multi-mode L1 firmware architecture of an innovative mobile wireless communications system. - Develop and implement cellular modem control code and sophisticated features in areas such as mobility management, Inter-RAT, Inter-frequency ENDC, NRDC, Multi-SIM, Radio Resource Management, Multi-carrier PHY channel configuration and scheduling, Radio Link Monitoring, Beam Management. - Implement key scheduling and control processing in tight timeline under low latency, memory and energy constraints. - Work with other Firmware and Protocol Stack Engineers, Systems Engineers and Product Architects to collaborate on design and requirements, interface definitions and new features. - 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 innovative tools for build, formal verification and test. - Define methodologies and best practices.

**Education & Experience**

Bachelors degree in Electrical Engineering, Computer Science or related experience is required.

**Additional Requirements**

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