Embedded Firmware Engineer IIIPosition SummaryWe 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.
What You'll DoEmbedded Firmware Development- 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.
Hardware Integration & Debugging- 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.
Battery Management Systems- Implement battery-management functionality including:
- State of Charge (SOC)
- State of Health (SOH)
- Coulomb counting
- Cell balancing
- Smart Battery Specification (SBS)
Lighting & Connectivity- Develop firmware supporting professional lighting-control protocols including:
- Implement Bluetooth® LE and Wi-Fi provisioning.
- Develop secure MQTT-based cloud connectivity.
Communications & Embedded SystemsDevelop and maintain embedded communications using:
- SMBus / I²C
- UART
- SPI
- Modbus
- TCP/UDP sockets
Testing & Validation- 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
Product Support- Support firmware releases and manufacturing.
- Assist with regulatory testing.
- Troubleshoot field issues and customer-reported problems.
- Collaborate across engineering teams throughout product development.
Required Qualifications- 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.
Preferred QualificationsExperience with any of the following is highly desirable:
Embedded Platforms- Renesas Synergy SSP
- Renesas RA FSP
- e² studio
- Espressif ESP-IDF 5.x
- ESP32 devices
Battery Systems- Smart Battery systems
- TI bq-series battery-management ICs
- Battery cyclers
- Battery test equipment
- UN 38.3
- UL/IEC 62133
Lighting Control- DMX512
- RDM
- CRMX / LumenRadio
- Art-Net
- sACN
- Professional lighting systems
Embedded Software Tools- GUIX
- GUIX Studio
- Segger J-Link
- J-Flash
- Ozone
- PC-lint
- Doxygen
- Teamcenter
Industry ExperienceExperience 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
Benefits- Competitive salary
- Health, dental, and vision insurance
- 401(k) with company match
- Paid time off and company holidays
- Collaborative and innovative engineering environment
- Opportunities for professional growth and development
- Fun company events throughout the year
Department Engineering Role Firmware Engineer Locations SmallHD - Cary, NC Yearly salary $125,000 - $140,000
