Senior Power Electronics Architect for Grid & Energy

3one4 Capital; Mountain View (CA); Hybrid; USD 150,000 - 230,000; Full time

Benefits offered by this job

Medical, dental, and vision

Equity package

Job summary

Ayr designs and manufactures critical power grid equipment including power transformers, distribution transformers, special-purpose transformers, high-voltage circuit breakers, and medium-voltage switchgear. They serve markets such as renewables, data centers, utilities, oil & gas, and industrial sectors. They position themselves as partners in power projects, offering lifecycle support and working to deliver faster than average industry timelines.

Qualifications

• First Principles Thinking.
• Strong understanding of power converter topologies – both theory and practical design.
• 5+ years of relevant hands-on hardware experience in design and industrialization of power converter products.
• Experience with high voltage power semiconductor selection (IGBTs, Si/SiC/GaN MOSFETs, and diodes), design of gate drive and analog/digital sensing circuits.
• Solid understanding of the theory and application of magnetics (inductors, transformers) and capacitors (film, ceramic and electrolytic) for high voltage and high frequency power conversion.
• Knowledge of basic control theory and experience with embedded programming.
• Extensive hands-on experience with advanced digital and HV circuit bring-up and troubleshooting.
• Awareness of UL and CE electrical safety requirements; EMC requirements relevant to the design of power converters is a plus.
• Excellent written and verbal communications in English.

Responsibilities

• Architect, design, build and industrialize power converter hardware for use in grid and energy product applications.
• Architect and model new power electronics topologies that have superior performance.
• Have start to finish ownership of hardware – from specification to design, prototype, reliability validation and production.
• Collaborate cross-functionally with mechanical, thermal, PCB layout, firmware, manufacturing and testing teams to validate and manufacture Ayr products.
• Define and execute validation test plans including structural, thermal, and environmental testing.

Skills

Power electronics

Embedded programming

Control theory

English communication

Job description

Ayr designs and manufactures critical power grid equipment including power transformers, distribution transformers, special-purpose transformers, high-voltage circuit breakers, and medium-voltage switchgear. They serve markets such as renewables, data centers, utilities, oil & gas, and industrial sectors. They position themselves as partners in power projects, offering lifecycle support and working to deliver faster than average industry timelines.