Embedded Firmware Engineer III

We are seeking an experienced Embedded Firmware Engineer III to develop embedded firmware for professional battery, power, and LED lighting products used throughout the cinema, broadcast, photography, and content creation industries.

In this role, you will design and develop production-quality firmware from concept through release, working closely with electrical, mechanical, software, product management, and test engineering teams. You'll play a key role in developing battery management systems, lighting controls, wireless connectivity, embedded communications, automated testing, and manufacturing support for commercial hardware products.

This is an excellent opportunity for a hands-on engineer who enjoys solving complex embedded systems challenges while contributing to products trusted by professional filmmakers and broadcasters worldwide.

Design, develop, test, document, and maintain embedded firmware for battery, power, and professional LED lighting products.

Develop bootloader and application firmware for ARM Cortex-M microcontrollers.

Create reusable embedded C libraries with appropriate unit tests and documentation.

Develop production-ready embedded software throughout the entire product lifecycle.

Perform board bring-up and on-target debugging.

Troubleshoot firmware using schematics, oscilloscopes, logic analyzers, and JTAG/SWD debugging tools.

Develop low-level device drivers and hardware interfaces.

Implement battery-management functionality including:

State of Charge (SOC)

State of Health (SOH)

Coulomb counting

Cell balancing

Smart Battery Specification (SBS)

Develop firmware supporting professional lighting-control protocols including:

DMX512

RDM

CRMX

Art-Net

sACN

Implement Bluetooth® LE and Wi-Fi provisioning.

Develop secure MQTT-based cloud connectivity.

Develop and maintain embedded communications using:

SMBus / I2C

UART

SPI

Modbus

TCP/UDP sockets

Plan and execute structured verification and regression testing.

Conduct battery lifecycle, thermal, and load testing.

Develop Python tools for:

Test automation

Data collection

Calibration

Engineering analysis

Support firmware releases and manufacturing.

Assist with regulatory testing.

Troubleshoot field issues and customer-reported problems.

Collaborate across engineering teams throughout product development.

Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field (or equivalent professional experience).

5+ years of embedded firmware development experience with commercial hardware products.

Advanced programming experience using Embedded C.

Strong experience developing firmware for ARM Cortex-M microcontrollers.

Experience with real-time operating systems such as ThreadX or FreeRTOS.

Experience with:

Hardware bring-up

Embedded debugging

Device drivers

Communication protocols

Working knowledge of:

Git

CMake

GNU Arm Embedded Toolchain

CI/CD practices

Ability to interpret electrical schematics and troubleshoot hardware/firmware interactions.

Experience writing maintainable, well-documented production firmware.

Strong analytical, problem-solving, communication, and collaboration skills.

Experience with any of the following is highly desirable:

Renesas Synergy SSP

Renesas RA FSP

e2 studio

Espressif ESP-IDF 5.x

ESP32 devices

Smart Battery systems

TI bq-series battery-management ICs

Battery cyclers

Battery test equipment

UN 38.3

UL/IEC 62133

CRMX / LumenRadio

Professional lighting systems

GUIX

GUIX Studio

Segger J-Link

J-Flash

Ozone

PC-lint

Doxygen

Teamcenter

Experience developing products for:

Professional cinema

Broadcast

Photography

Professional LED lighting

Gold Mount, V-Mount, or B-Mount battery systems

Additional experience with:

Color science (CCT, xy chromaticity, spectral measurement)

Thermal or fan-control firmware

Motor control

FPGA interfaces

QSPI devices

Battery laboratory safety and thermal-runaway testing

You'll work on cutting-edge products used by professional filmmakers, broadcasters, photographers, and content creators around the world. As part of a collaborative engineering team, you'll have the opportunity to influence product architecture from concept through production while solving challenging real-world embedded systems problems.

If you're passionate about embedded systems, commercial hardware development, and building products that professionals rely on every day, we'd love to hear from you.