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Open nowPosted 127 days ago

Senior Zigbee / Thread Firmware Engineer

InnoPhase IoT14 open roles

Where
Bangalore, India
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Your applicationOpen nowSenior Zigbee / Thread Firmware EngineerInnoPhase IoT · Bangalore, India

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This job: posted 127 days ago

The posting

About InnoPhase IoT

If you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you’ll find your playground at Innophase IoT.

We are looking for people seeking AWESOMENESS! If you’re good at what you do, you can work anywhere. If you’re the best at what you do, come work at Innophase IoT!

Role Overview

We are looking for a Senior Firmware Engineer with deep expertise in Zigbee, Thread, and IEEE 802.15.4 wireless stacks. The candidate will focus on architecting, developing, and optimizing embedded wireless protocol stacks on resource-constrained platforms, ensuring compliance, performance, and reliability.

Key Responsibilities

  • Architect, design, and implement firmware solutions for Zigbee/Thread and IEEE 802.15.4-based products.
  • Develop and optimize low-level drivers, MAC/PHY interfaces, and protocol stack layers.
  • Debug and resolve wireless interoperability and certification issues using sniffers (Ubiqua, Wireshark, Perytons).
  • Collaborate with hardware, QA, and product teams to ensure robust HW/SW co-design and regulatory compliance.
  • Debug, analyze, and optimize power consumption and timing for battery-operated IoT devices.
  • Support certification and compliance efforts for Zigbee/Thread-based products.
  • Document software design, testing procedures, and release notes.

Required Skills & Competencies

  • 12+ years of experience in embedded firmware development.
  • Strong programming skills in C / Embedded C; assembly or scripting (Python) a plus.
  • Expertise in IEEE 802.15.4 MAC/PHY, Zigbee, and Thread protocol stacks.
  • Experience with embedded RTOS (FreeRTOS, Zephyr, or Linux system programming).
  • Proficiency in debug tools (JTAG, GDB, oscilloscopes, logic analyzers, sniffers).
  • Strong knowledge of microcontrollers, transceivers, and RF system design basics.
  • Hands-on debugging and optimization for low-power wireless systems.
  • Familiarity with IoT frameworks and domains like home automation, security, and energy management.
  • Excellent problem-solving, communication, and cross-functional collaboration skills.

Qualification

  • Bachelor’s or Master’s degree in Electronics, Computer Science, or related fields.
  • • 12+ years of relevant experience in wireless embedded systems.

It is key to unleash the potential in every employee, every team, every leader, and the company herself. We know employees perform best when motivated, appreciated and recognized, and can be themselves. We are committed to building a culture where every voice can be heard, everyone has room for growth and can make meaningful contributions. At the end of the day, we want success not just for the company, but also for everyone who believes in the company, the vision, and the future.

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