Principal Firmware Engineer

About Morse Micro
Morse Micro is redefining wireless connectivity with next-generation Wi‑Fi HaLow (IEEE 802.11ah) technology. As Australia’s largest fabless semiconductor company, we’re building ultra‑efficient chips that power tomorrow’s IoT landscape through extended range, low power consumption and high performance. You’ll be part of a global team collaborating across Australia, the US, India, the UK, China, Taiwan, and Japan.
Role Overview
You will join a firmware team implementing Morse Micro’s IoT software stack for embedded devices, working closely with Analog, Systems, Digital IC design engineers to build and maintain an elegant embedded software architecture. Your main focus will be firmware development for low-cost, RTOS-based devices, including 802.11ah upper layers, device drivers, network stack integration, as well as Python scripts for test and development, troubleshooting and debugging, and other related aspects.

Responsibilities Include

• RTOS device driver development
• Network stack/protocol development, integration, and debugging
• Implementation of upper layers of the 802.11ah standard in firmware
• Various optimisations for performance, footprint and power consumption
• Writing elegant Python scripts to facilitate testing and other tasks
• There will be some customer interaction, e.g. implementation of customer requested features, resolution of customer found issues etc.

Qualifications / Experience / Skills

• BSc in Electrical / Electronics / Communication Engineering or Computer Science
• 8+ years relevant industry experience in embedded software projects 
• Proven experience in Firmware development using the C programming language
• Experience in porting and using FreeRTOS or RT-Thread Real Time Operating Systems, including bootloaders, device drivers, interrupt handlers and DMA routines.
• Experience using software version control and issue tracking systems

Essential Skills 

• Experience with ARM Cortex and RISC-V instruction sets and architectures
• Experience with various hardware interfacing buses, like SDIO, SPI and I2C
• Experience using Python for tools and scripts
• Experience in using static analysis and automated testing tools
• (Desired but not required) A good understanding of IEEE 802.11 standard including 802.11 security model
• (Desired but not required) Experience with wireshark for testing and debugging of 802.11 systems

What we offer

• Competitive salary and stock option package
• Performance-based bonus scheme
• Income protection insurance
• Ergonomically designed, modern office environment
• Regular team gatherings and social initiatives
• Supportive, high-performance culture where your work truly matters
• Personal professional growth opportunities

Our culture

At Morse Micro, our values shape how we work. We live our Values - We are Genuine, Pragmatic, take Initiative & Persevere. We’re building a culture where smart, curious people of all backgrounds can thrive. We know that innovation improves when teams bring different perspectives to the table. You don’t have to fit a typical mould to make an impact here – we value technical excellence, creative thinking, and the drive to shape what’s next.
Who You Are
You’re a pragmatic, hands-on engineer with experience building and maintaining an elegant embedded software architecture. You’re collaborative and analytical. You bring technical vigour and a practical mindset to every challenge - and you want your work to influence real-world impact.

If you’re ready to help shape the future of IoT connectivity, please apply - This is your moment.

Check out what it is like to work for us: