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Senior IoT Hardware Engineer


Digital Transformation

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ABOUT THIS ROLE

  • / West Malling, Kent, UK
  • / Permanent
  • / Competitive
REF: VCO10914

Title – Senior IoT Hardware Engineer

Location – West Malling, Kent

FlexibilityHybrid – 2/3 days a week in the office – additional travel to client site is also required

*Please note sponsorship is not on offer for this role.*

About the company 

They are a market-leading digital transformation partner, with their product providing high-speed networking, cloud, data, IoT and edge computing services that power performance and efficiency.

They work across a range of sectors, predominantly within infrastructure, construction, and engineering sectors within the UK and internationally.

Role Summary

As a Senior IoT Hardware Engineer, you will be involved in end-to-end design and development, including embedded firmware design and over-the-air update capabilities.

They are looking for a senior individual who is familiar with Cellular IoT, peripheral handling via I2C, SPI, and UART, as well as managing STM32 and M3 processors with a focus on reliability, scalability, and maintainability.

Key responsibilities

Hardware Design and Development:

  • Design and develop hardware for portable IoT devices with a focus on geolocation technologies and Cellular IoT.
  • Integrate UWB, GNSS/ RTK, WiFi, Bluetooth, NFC modules, and cellular modems.
  • Manage I2C, SPI, and UART communication interfaces to control various peripherals, including GSM modem from a central STM32 processor.
  • Implement power management solutions to ensure efficient operation, targeting a sleep current in the 20-100μA range.
  • Prototype and test hardware components, ensuring compliance with relevant standards and specifications.
  • Perform design verification and validation for custom hardware.

Firmware Development:

  • Develop and maintain embedded firmware for IoT devices, focusing on efficient and reliable operation using STM32 processors.
  • Implement and manage geolocation algorithms and protocols for accurate positioning.
  • Ensure seamless integration of communication protocols (UWB, GNSS, WiFi, Bluetooth, NFC) and manage interaction via AT commands and I2C registers.
  • Develop firmware for controlling E-ink screens, handling audio (Piezo, Speakers, BT Audio), NFC, BLE, WiFi, and UWB functionalities.
  • Implement OTA update capabilities for firmware upgrades, ensuring the code is reliable and scalable across hundreds of thousands to millions of devices.
  • Maintain firmware primarily in C++, adhering to best practices and using -Werror to enforce code quality.

Additional Responsibilities:

  • Write clean, maintainable, and efficient C++ code.
  • Utilize ADO for planning, task management, and tracking project progress.
  • Engage in architecture and design discussions, evaluate new technologies, and make critical decisions in collaboration with the CEO, hardware team, and key customers.
  • Collaborate with the cloud team to ensure data is delivered to end users in a power and cost-efficient manner.
  • Work closely with electronics/PCB designers to develop specifications and assist in schematic design processes.

Experience Required

  • 5+ years of experience in hardware design and firmware development for portable IoT devices.
  • Proven track record in designing and implementing systems with UWB, GNSS & RTK, WiFi, Bluetooth, and NFC.
  • Extensive experience with Cellular IoT, managing peripherals through I2C, SPI, and UART, and familiarity with STM32& M3 processors.
  • Experience with power management and battery-operated devices, aiming for low sleep current operation.
  • Demonstrable experience in embedded firmware development in C++, including OTA capabilities and handling large-scale deployment.
  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field.
  • Proficiency in hardware design tools (e.g., Altium Designer, KiCad, Cadence).
  • Expertise in communication protocols and standards for geolocation and IoT, with a focus on AT commands and I2C register interactions.

Apply to the Role:

Roles like these are snapped up very quickly, so act now if you do not want to miss out!

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If you're excited about a role but don't perfectly align with every requirement, we encourage you to apply. Your unique skills and experiences may be the perfect fit for the job or other opportunities that arise.

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