Ampere Recruitment
Senior Power Electronics Engineer
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Senior Power Electronics Engineer
Senior Power Electronics Engineer – High-Voltage DC/DC Converter Design
The Role
We're looking for a Senior Power Electronics Engineer to lead the design and development of low-power, high-voltage DC/DC converters.
This is a hands-on design role covering the full development lifecycle — from topology selection and simulation through to prototyping, test, and release to production. You'll work on compact, high-reliability power solutions where creepage, clearance, isolation, and efficiency at light load are everyday challenges rather than edge cases.
Key Responsibilities
- Own converter designs end-to-end, including:
- Selecting and optimising topologies (flyback, resonant, LLC, push-pull or similar) for high-voltage, low-power applications
- Designing and specifying magnetics, including HV transformer design with attention to:
- Insulation systems
- Parasitics
- Efficiency at light load
- Performing analogue circuit design, control loop compensation, and worst-case analysis
- Running simulations (SPICE, PLECS or equivalent) to validate designs before hardware
- Conducting lab bring-up, debug, and characterisation of prototypes
- Support EMC compliance and safety standards work (e.g., IEC 62368, IEC 60601, or sector-specific equivalents)
- Mentor junior engineers
- Contribute to design reviews and establish best practices across the team
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What We're Looking For
- Degree in Electrical/Electronic Engineering (or equivalent experience) with 7+ years in power electronics design
- Proven track record designing DC/DC converters at:
- High voltage (hundreds of volts to multi-kV output)
- Low power
- Strong grasp of HV design fundamentals:
- Creepage/clearance
- Partial discharge
- Insulation coordination
- Corona effects
- Hands-on magnetics design experience, particularly:
- High-voltage transformers
- Confident in the lab environment:
- Oscilloscopes
- High-voltage probes
- Network analysers
- Safe high-voltage working practices
- Solid foundation in analogue and control theory:
- Comfortable with:
- Analogue
- Digitally controlled converters
- Comfortable with:
- Familiarity with wide-bandgap devices (SiC/GaN) advantageous
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What's on Offer
- Competitive salary of £60k to £65k plus bonus/benefits
- Genuine technical ownership on challenging, niche high-voltage design problems
- Career progression toward Principal/Staff Engineer or technical leadership
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