Senior Firmware Architect – Embedded Systems (Sydney, Hybrid)

The Onset; Sydney; On-site; AUD 150,000 - 170,000; Full time

Job summary

The Onset in Sydney is seeking a Lead Firmware Engineer to own the firmware architecture for a portfolio of connected products. You’ll still be close to code and hardware, guiding a multidisciplinary team and setting the technical direction.

With 8+ years in embedded software, you’ll design robust systems, work across Ethernet, Bluetooth, Wi‑Fi, and TCP/IP, and shape future remote device management initiatives. Onsite with flexible WFH options.

Qualifications

• Eight or more years of embedded software or firmware engineering experience.
• Strong commercial C/C++ development experience.
• Production experience with FreeRTOS or another RTOS.

Responsibilities

• Own the firmware architecture and technical roadmap across a family of connected products
• Develop embedded software in C/C++ on STM32 microcontrollers using FreeRTOS
• Make sound decisions around task structure, inter-task communication, semaphores, mutexes and system behaviour
• Build and maintain bootloaders, firmware update mechanisms and networked device functionality
• Work across Ethernet, TCP/IP, LWIP, Bluetooth, Wi‑Fi, USB and wired control protocols
• Develop embedded web interfaces and on‑device control experiences
• Work with colour‑control algorithms, high‑resolution dimming, special effects and camera synchronisation
• Debug the boundary between firmware and electronics using UART, I2C, SPI, logic analysers and oscilloscopes
• Read schematics, understand PCB designs and work closely with electronics and mechanical engineers
• Improve the structure, reliability and maintainability of an established embedded platform
• Help shape future work in remote device management, fleet visibility and connected asset tracking

Skills

Embedded C/C++

STM32 MCU

FreeRTOS

Networking basics

Bootloader development

Code architecture

Hardware-software interface

Debugging tools

System ownership

Job description

The Onset in Sydney is seeking a Lead Firmware Engineer to own the firmware architecture for a portfolio of connected products. You’ll still be close to code and hardware, guiding a multidisciplinary team and setting the technical direction.

With 8+ years in embedded software, you’ll design robust systems, work across Ethernet, Bluetooth, Wi‑Fi, and TCP/IP, and shape future remote device management initiatives. Onsite with flexible WFH options.