Senior Power Electronics Engineer

Are you excited about designing power-conversion hardware that will operate at megawatt scale inside data center infrastructure Amazon Web Services is looking for a Senior Power Electronics Engineer to lead the design of solid-state transformer (SST) conversion stages with deep expertise in high-voltage silicon carbide (SiC) devices and isolated high-power converter topologies.

You will own the dual active bridge (DAB) CLLC and series-resonant converter stage designs from bench prototype through megawatt-class deployment including SiC device selection and qualification. You will tackle device paralleling current sharing switching-loss optimization and thermal derating challenges while guiding risk reduction through simulation and prototype correlation. You will also mentor fellow power electronics engineers lead design reviews and contribute to patent and technology decisions that shape the future of data center power delivery.



Key job responsibilities
- Lead architecture decisions for DAB CLLC and series-resonant converter stages defining power-stage topologies that scale from prototype to megawatt deployment while meeting efficiency thermal and serviceability targets.
- Select and qualify high-voltage SiC power devices evaluating switching losses body-diode behavior dynamic on-resistance device paralleling current sharing and thermal derating for high-current operation.
- Coordinate converter-stage interfaces with the medium-voltage front end 800 VDC output bus controls magnetics and cooling subsystems to ensure cohesive system performance.
- Drive technical risk reduction through simulation prototype testing and measurement correlation leading design reviews that set engineering quality standards across the team.
- Mentor power electronics engineers contribute to patents and publications and support technology roadmap decisions that advance data center power infrastructure.

A day in the life
You will split your time between hands-on design work and cross-functional a typical morning you might run converter simulations review SiC device characterization data or correlate prototype bench measurements against your models. Afternoons often shift to design reviews with magnetics controls and thermal engineers or working sessions with partner teams on system-level interface specifications. You will regularly present technical trade-off analyses to stakeholders coach junior engineers through design challenges and carve out time to explore new converter architectures or draft patent disclosures.

About the team
Our team within AWS Infrastructure Services is focused on developing next-generation power delivery systems for data centers worldwide. We work at the intersection of power electronics electrical infrastructure and large-scale deployment partnering closely with mechanical controls and construction engineering teams to bring new technology from concept to production.

We value an inclusive collaborative culture where engineers at every level contribute ideas and learn from one another. If you are eager to solve complex power-conversion problems that directly improve the reliability and efficiency of global cloud infrastructure this is the team for you.

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- Bachelors degree in Electrical Engineering.
- Hands-on experience with SiC high-voltage power-electronics
- Experience scaling power conversion from prototype/bench level to high-power deployment
- Experience documenting design decisions assumptions trade-offs risks and technical specifications
- Demonstrated working effectively with adjacent engineering disciplines and contributing to full A-to-Z product ownership

- Masters degree or PhD in Electrical Engineering.
- 10 years of power-electronics experience with proven delivery of DAB/CLLC/SRC and HV-SiC design scaled to high power.
- Deep knowledge of DAB/CLLC/SRC converter topologies
- Demonstrated strong understanding of thermal management current sharing protection and design-for-serviceability.
- Demonstrated operating effectively in a greenfield environment where standards and reference designs may require interpretation and adaptation.

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