Principal Firmware Engineer

Principal Firmware Engineer

In Office | Westlake Village, California

Salary Range: $165,000 to $210,000

This is not a maintenance role. This is an ownership role.

We are looking for a Principal Firmware Engineer who can architect, lead, and deliver firmware for complex consumer and healthcare products. You will own firmware decisions end to end, from early concept through product launch and beyond, working closely with hardware, industrial design, UX, and external manufacturing partners.

If you thrive in embedded systems, enjoy solving hard problems at the hardware level, and want real influence over product direction, this role gives you that seat at the table.

What You Will Own

Serve as the technical authority for firmware across multiple products

Define and own firmware architecture from concept through production

Lead product development efforts independently with minimal supervision

Write high quality embedded code, including new features, enhancements, and bug fixes

Develop test applications, formal requirements, and technical documentation

Support system level analysis and troubleshooting across firmware and hardware

Estimate development timelines and deliver against commitments

Partner closely with test teams to identify, debug, and resolve issues quickly

Collaborate with external contractors, suppliers, and overseas partners

Maintain strict confidentiality of proprietary and sensitive information

Support productization, manufacturing bring up, and global product launches

What You Bring

Bachelor's degree in Engineering or related technical field

7+ years of firmware engineering experience in product-driven environments

Strong embedded C programming skills

Hands-on experience with ARM based processors

Experience working with RTOS platforms such as FreeRTOS and Zephyr

Proficiency with modern development tools, including VS Code, WSL, West, CMake, GNU, Git, Jira

Deep experience with microcontrollers, embedded systems, and serial communication protocols (USART, I2C, SPI)

Strong low level debugging skills using JTAG and similar tools

Ability to read and interpret schematics

Proven experience with hardware bring up and early stage prototypes

Experience supporting device productization and market launch

Experience with radio based applications including cellular connectivity

Solid understanding of power management and optimization strategies

Familiarity with IoT architecture is a plus

Strong understanding of structured product development processes and phase gates

Advanced working knowledge of Microsoft tools including Teams, Excel, Visio, Project, and Word

Ability to travel internationally up to 10 percent

Why This Role

Principal level ownership with real architectural authority

High impact work in consumer and healthcare technology

Direct collaboration with hardware, design, and manufacturing teams

In office environment with hands on product development

Competitive compensation aligned with senior level expertise

If you are a firmware leader who wants to build products from the ground up and see them shipped into the world, this role is built for you.