Principal Embedded Systems Engineer

Principal Embedded Systems Engineer
$230,000–$250,000 + Great Benefits
Austin, TX | U.S. Citizens / H1B Visa Holders

Our client, a cutting-edge technology company in the connected transportation space is seeking a Principal Embedded Systems Engineer to help scale and shape the future of industrial IoT. This high-impact position offers the chance to work on complex, real-world challenges—building next-gen sensors and communication systems that operate in rugged, remote environments.

This is a unique opportunity for an experienced engineer to take full ownership of firmware architecture, contribute to strategic product direction, and influence the technical roadmap of a rapidly growing business. Whether you want to lead a team or remain a top-tier individual contributor, your expertise will directly drive innovation in an industry ripe for transformation.
  
Key Responsibilities  

• Design and build robust embedded firmware for next-gen, low-power IoT devices used in freight and transportation environments
• Develop energy-optimized solutions to support long-term deployment of battery-powered hardware
• Integrate and fine-tune wireless protocols such as LoRa, BLE, and CAT-M1/NB-IoT for reliable data transmission
• Create advanced filtering and signal processing techniques to maintain data integrity under industrial conditions
• Define firmware architecture and collaborate closely with cross-functional teams across hardware, software, and product
• Implement best practices for testing, debugging, documentation, and over-the-air updates
• Evaluate new technologies to inform and evolve the embedded systems strategy
• Troubleshoot system-wide issues, optimizing across both firmware and hardware interfaces

Ideal Candidate Profile  

• 10+ years of embedded systems experience, with a strong background in low-power, sensor-based devices
• Deep expertise in C/C++, ARM Cortex-M processors, and both RTOS and bare-metal environments
• Demonstrated success deploying firmware for connected devices in real-world applications
• Hands-on experience with LoRa, Bluetooth Low Energy, and cellular networks (especially CAT-M1/NB-IoT)
• Proficiency in OTA firmware deployment and familiarity with Zephyr RTOS and nrfConnect SDK
• Strong RF knowledge, including antenna design/tuning and custom mesh protocol development
• Experience with vibration analysis and filtering in noisy environments (ideal for predictive maintenance use cases)
• Excellent problem-solving skills, resourceful mindset, and ability to own complex projects from start to finish
• Comfortable working independently or stepping into a leadership role as the team grows

What You’ll Get  

• A $230,000–$250,000 compensation package, reflecting the high level of impact and ownership
• Influence over the technical direction of mission-critical products
• Hands-on experience building innovative solutions from the ground up
• A collaborative, engineer-led culture focused on quality, creativity, and technical excellence

Certus Recruitment Group is a well-established and experienced specialist consultancy providing sales, marketing, and IT recruitment services. We serve the technology sector across North America, the UK, Europe, and Australia.
  
If you’re ready to build something meaningful—let’s talk. Apply now!