Embedded Systems Engineer

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.

The Role 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

The Candidate7+ 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 complianceHVAC, thermoelectric, Peltier or power electronics experience advantageous

Experience with PID control and thermal management systems beneficial

Package

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

The Opportunity 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.