Senior Radio Firmware Engineer

Job description

Develop, test, and maintain the low-level firmware drivers that abstract a consistent, future-proof, and well-documented interface to the radio of Renesas wireless SoCs, throughout the complete IC development cycle. Closely follow standardization efforts and translate existing and roadmap radio PHY requirements into highly efficient firmware solutions, in order to provide Renesas a competitive advantage in the IC market. Contribute to shaping the future of Renesas wireless products. Principal Accountabilities: Implement, test, and maintain the radio low-level firmware drivers for wireless SoCs. Fine-tune the firmware for optimal performance, energy efficiency, resource utilization, and reliability. Contribute to the integration of the radio low-level drivers into wireless protocol stacks. Develop and maintain radio low-level firmware for IC simulation, production test, lab evaluation, qualification, and characterization. Implement and maintain automated regression tests for the radio firmware. Troubleshoot firmware / software and architectural issues. Create and maintain documentation and Application Notes. Schedule own tasks, report progress to project leader, identify possible project issues. Work closely across teams and contribute to datasheets, architectural spec’s and development plans for new designs. Industry experience in Embedded Software for ARM or DSP cores. Background in highly resource-constrained, real time, embedded environments. Solid C and Python Language skills. Experience with Assembly Language for at least one microcontroller family. Experience with software engineering processes and the full software development lifecycle, including requirements, design, implementation, testing, and deployment. Experience with version control systems, e.g. Git. Proficiency with electronics bench test equipment, e.g. logic analysers, debug probes, oscilloscopes, spectrum analysers. Proficiency in problem solving and debugging skills. Eagerness to contribute new ideas, build consensus, and drive tasks to completion. Desire and mental agility to quickly understand new ideas in novel domains. Excellent team working skills, multi-disciplinary focus. Talent for clearly communicating challenging technical subject matter. Fluent in English language (written and oral). Desirable Knowledge / experience in any of the following fields is an advantage: low-level drivers, low power wireless protocol stacks (Bluetooth, Thread, Zigbee etc.), MAC and Physical Layer (PHY) techniques, Software Defined Radio techniques, Digital Communication Theory, DSP Theory, MATLAB. Familiarity with embedded software tools such as GCC, GDB, Make, CMake etc. Experience with chip development flow / commercialization. Understanding of hardware vs. software trade-offs, and experience in specifying hardware requirements and working with hardware engineers. Familiarity with hardware description languages. Experience in Test Methodologies / Automation; familiarity with Wireless Communications test equipment. Strong mathematical fundamentals. Published scientific/technical articles or presented papers at technical conferences. Renesas is an embedded semiconductor solution provider driven by its Purpose, To Make Our Lives Easier . With a global team of over 21,000 engineers and problem solvers in more than 30 countries, we offer the opportunity to work on world‑leading technology for Automotive, Industrial, Infrastructure, and IoT, shaping a safer, healthier, greener, and smarter future. At Renesas, TAGIE is our culture, grounded in being Transparent, Agile, Global, Innovative, and Entrepreneurial. It shapes how we work, grow and deliver on our purpose together. This collaborative spirit and mindset drive our semiconductor technology to transform industries and impact millions of lives. We believe in rewarding our employees with a competitive benefits package alongside their salary. More information will be provided during the hiring process. Are you ready to join our team and shape the future with us? Renesas Electronics is an equal opportunity and affirmative action employer, committed to supporting diversity and fostering a work environment free of discrimination on the basis of sex, race, religion, national origin, gender, gender identity, gender expression, age, sexual orientation, military status, veteran status, or any other basis protected by law. For more information, please read our Diversity & Inclusion Statement .