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IONATE

Hybrid intelligent transformer powering smart grids

Senior Power Electronics Engineer

Power Systems EngineeringConfirmed live in the last 24 hours
Full-timeLondon, UK

About the Job

Requirements

  • A degree in Electrical and Electronics Engineering or equivalent is required.
  • Extensive experience in power electronics design, ideally in high-power applications, is required.
  • A good understanding of electronic and electrical components and their principles, integrated circuits, signal processing, and passive and active filter designs is required.
  • An understanding of best practices related to thermomechanical designs is required.
  • Experience in electronics circuit modelling and simulation is required.
  • Experience using SPICE, Altium, MATLAB, Confluence, and JIRA is required.
  • Ability to design, create, and test printed circuit boards is required.
  • Experience conducting laboratory and site-based testing using oscilloscopes, power analysers, grid emulators, or similar test equipment is required.
  • Experience designing systems fit for large-scale manufacturing and production is required.
  • Communication skills enabling work with teams across the globe are required.
  • Willingness to travel nationally and internationally when required for testing and commissioning is required.

Responsibilities

  • Develop power electronics hardware and circuitry for power converters and controllers in grid-connected applications.
  • Design, prototype, and validate power conversion systems, including DC-DC and AC-DC systems, and mixed-signal circuits including ADCs and PWM controllers.
  • Perform hands-on hardware design and validation in accordance with safety, quality, and international standards.
  • Develop PCB layouts with a focus on signal integrity and interface power stages with transformers, digital controllers, passive filters, and electromechanical systems.
  • Optimise thermal management solutions for high-power applications and implement EMI/EMC compliance strategies.
  • Conduct root-cause analysis for system-level debugging across prototype and production phases.
  • Participate in technical development and testing with a multidisciplinary team of power electronics designers, mechanical engineers, control engineers, and software engineers.
  • Work to clear timelines and collaborate with cross-functional teams to deliver projects on time and meet product targets.
  • Create and maintain requirements and specification documents, testing reports, and product manuals.

Desired Qualifications

  • Experience in power electronics converters, including AC/DC, DC/AC, and DC/DC, is useful.
  • Design experience for low-noise, mixed-signal systems is useful.
  • Experience designing systems to meet EMC/EMI standards is useful.
  • Experience designing and testing commercially ready systems for UL/TUV certification is useful.
  • Soldering and PCB rework experience is useful.

About the Company

IONATE

Hybrid intelligent transformer powering smart grids

IONATE develops hardware-software solutions to modernize electricity grids. Its core product, the Hybrid Intelligent Transformer (HIT), is a drop-in replacement for traditional transformers that combines reliability with power-electronic control using a patented magnetic core for low energy loss. HIT devices are coordinated by Aurora, an AI-enabled platform that provides real-time data and control over voltage, reactive power, and harmonics, linking devices to form a smart grid. The company differentiates itself by delivering an integrated hardware-software stack for real-time grid optimization and monitoring, backed by utility pilots and licensing partnerships, with a goal to scale deployments and expand into markets like the U.S. to support decarbonization and renewable integration.

Company size
11-50
Company stage
Series A
Total funding
$22.7M
Headquarters
London, United Kingdom
Founded
2019

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