Lead Engineer Power Electronics | PV & ESS

Permanent employee, Full-time · Diemen

Your mission
At Moonwatt, we are committed to accelerating the adoption of utility-scale energy storage to support the clean energy transition. As the share of converter-based generation grows in modern power grids, our focus is on pioneering innovations in grid-forming inverters and synthetic inertia to ensure grid stability. We are seeking a highly skilled Power Electronics Engineer to lead the development of advanced inverter systems and power conversion solutions that seamlessly integrate our battery technologies into grid infrastructure.

⚡ What You’ll Do
  • Design and develop advanced power electronic systems (inverters, DC/DC converters) and control algorithms for utility-scale energy storage applications.
  • Simulate, model, and analyze power converter behavior under various grid and operating conditions using tools like MATLAB/Simulink, PLECS, PSCAD, or PSSE.
  • Implement and validate control strategies via hardware-in-the-loop (HIL) and software-in-the-loop (SIL) testing environments.
  • Define and ensure compliance with grid interconnection standards, regulatory requirements, and safety guidelines.
  • Collaborate cross-functionally with electrical, hardware, and software teams, as well as with external partners and contract manufacturers.
  • Stay at the forefront of power electronics innovations to address the technical challenges of renewable integration and grid stability.
  • Document specifications, control logic, test protocols, and integration guides to support system deployment and future upgrades.
Your profile

✅ Must-Have Qualifications

  • Master’s degree in Power Electronics, Electrical Engineering, Control Systems, or related field.
  • 7+ years of experience in power electronics system development and control software.
  • Deep understanding of power conversion topologies, components, and system-level architecture.
  • Proficiency in programming languages such as C/C++ and model-based design workflows.
  • Experience with embedded controllers, DSPs, and real-time systems for power electronics.
  • Strong capability in HIL/SIL testing and control system validation.
  • Effective communication and collaboration skills within multidisciplinary, cross-functional teams.
  • Passion for renewable energy and its impact on sustainability and climate change.
  • Willingness and ability to travel 20–30% of the time.


Preferred Qualifications
  • Experience in renewable energy applications, especially solar power systems.
  • Familiarity with battery systems, Battery Management Systems (BMS), and their integration with inverter controls.
  • Understanding of grid-forming inverters and synthetic inertia control.
  • Knowledge of utility interconnection standards and regional grid codes applicable to power converters.
Why us?
  • Be part of a fast-growing startup delivering next-generation clean energy technology.
  • Work on high-impact projects alongside experienced engineers across the EU.
  • Competitive salary, benefits, and opportunities for growth in the energy tech sector.
About us
Moonwatt is developing the next generation of highly competitive Energy Storage Systems utilizing advanced sodium-ion battery technology. Our hardware and software solutions are optimized for co-location with solar power plants, enabling them to completely replace fossil-fuel power generation on the world’s power grids. We are seeking talented individuals across all areas whether you are in engineering, marketing, design, project management, HR, or finance. Join our team push the boundaries of innovation. If you are driven by the desire to create change, tackle big challenges, and make a meaningful impact, we’d love to have you onboard!
We are looking forward to hearing from you!
Thank you for your interest in Demo Data Ltd. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to demodaten@demo.de.
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