Job Description:

London - On-Site
£70,000
Permanent | January 2027 Start

We're recruiting an experienced Embedded Systems Engineer for an innovative clean technology company developing next-generation heating, cooling and ventilation systems.

This is a hands-on engineering position combining embedded firmware development and custom PCB design, working on breakthrough solid-state heat pump technology that operates without traditional compressors or F-gases.

• Design and develop custom PCBs, including schematics, layouts and component selection

• Develop embedded firmware using C/C++ and Python

• Design control systems for thermoelectric modules, fans, sensors and actuators

• Implement real-time control algorithms and feedback loops

• Develop communication interfaces including UART, SPI, I2C and Modbus

• Carry out PCB prototyping, testing and debugging

• Perform hardware-in-the-loop testing and signal verification

• Work with oscilloscopes, logic analysers and laboratory test equipment

• Ensure designs meet relevant BS, IEC and CE requirements

• Collaborate with mechanical, thermal and controls engineers

• Support manufacturing integration and design for manufacture

• Manage component selection, supplier coordination and BOM optimisation

• 7+ years' experience within the white goods industry

• Degree in Electrical Engineering, Electronics, Mechatronics or Embedded Systems

• Strong embedded firmware development experience using C/C++

• Proven experience designing custom PCBs and electronic control systems

• Proficient with Altium Designer, KiCad, Eagle or similar

• Experience developing firmware for microcontrollers

• Strong electronics testing, soldering and debugging skills

• Experience taking electronic products from prototype through to production

• Good understanding of electrical safety and product compliance

• HVAC, thermoelectric, Peltier or power electronics experience advantageous

• Experience with PID control and thermal management systems beneficial

• Total salary including equity £70,000

• Base salary circa £60,000 basic salary

• Company equity options

• January 2027 start

• London-based engineering and development environment

• Opportunity to work on innovative clean energy technology

• Significant technical ownership and responsibility

• Long-term career development as the business grows

This is an excellent opportunity for an experienced Embedded Systems Engineer, Firmware Engineer or Electronics Design Engineer looking to work on genuinely innovative technology within the clean energy sector.

You'll take ownership of both embedded software and electronic hardware development, helping bring a new generation of solid-state heating and cooling products from prototype through to commercial production.

The position offers the opportunity to join a growing climate-tech business at an early stage, with equity participation and significant influence over future product development.

WR HVAC | M&E are the #1 recruitment partner for HVAC and M&E vacancies across the UK, Europe, and the USA. We work with manufacturers, distributors, contractors, and service providers across the heating, ventilation, air conditioning, refrigeration, and building services sectors, recruiting for sales, management, engineering, and technical roles.

WR HVAC | M&E is acting as an Employment Agency in relation to this vacancy.