Audio Firmware Engineer

SGS Consulting; Sacramento (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

SGS Consulting seeks an embedded firmware engineer to design, validate and optimize audio subsystems on custom hardware. You will work closely with hardware, software and QA teams to define requirements and ensure robust integration.

The role involves board bring-up, hardware validation, and debugging with lab equipment. Strong C/C++, RTOS or bare‑metal experience, and familiarity with audio interfaces are essential for success.

Qualifications

• Experience designing embedded firmware for audio subsystems.
• Strong knowledge of C/C++ and RTOS/bare-metal workflows.
• Experience with hardware interfaces I2S, I2C, SPI, UART.
• Experience debugging with lab equipment and test rigs.

Responsibilities

• Develop, validate, and optimize embedded firmware for audio subsystems on custom hardware platforms.
• Integrate and debug audio features and algorithms on embedded systems (e.g., ARM Cortex-M, DSP cores).
• Collaborate with hardware, software, and QA teams to define requirements and validate designs.
• Conduct board bring-up, hardware validation, and troubleshooting using lab equipment.
• Write and maintain clear, well‑documented code, validation procedures and docs.
• Participate in code reviews and contribute to firmware process improvements.
• Support manufacturing and test engineering teams with firmware issues.

Skills

C/C++ for embedded systems

RTOS or bare-metal firmware

Distributed multi-core/multithread

Audio interfaces I2S/I2C/SPI/UART

Lab debugging with oscilloscopes

Communication and teamwork

Education

EE/CE degree

Job description

Job Responsibilities

• Develop, validate, and optimize embedded firmware for audio subsystems on custom hardware platforms.
• Integrate and debug audio features and algorithms on embedded systems (e.g., ARM Cortex-M, DSP cores).
• Collaborate with hardware, software, and QA teams to define requirements, validate designs, and ensure robust system integration.
• Conduct board bring-up, hardware validation, and troubleshooting using oscilloscopes, logic analyzers, and other lab equipment.
• Write and maintain clear, well-documented code, validation procedures and technical documentation.
• Participate in code reviews and contribute to continuous improvement of firmware development processes.
• Support manufacturing and test engineering teams with firmware-related issues.

Skills

• Proficiency in C/C++ for embedded systems.
• Experience with RTOS or bare-metal firmware development.
• Experience with distributed compute (Multi-core, multithread) development.
• Familiarity with audio signal processing concepts and hardware interfaces (I2S, PDM, I2C, SPI, UART).
• Strong debugging and problem-solving skills using lab equipment and software tools.
• Excellent communication and teamwork skills.

Education/Experience

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, C