High-Power DC/DC Design Engineer | Flexible Hours

Amazon Inc.; Paris; On-site; EUR 85,000 - 110,000; Full time

Job summary

Amazon Web Services is seeking a DC/DC Power Electronics Engineer to own the DC/DC stage within the MV-to-800 VDC SST power-conversion architecture. You will design isolated converters and optimize switching, efficiency and thermal performance for data-center power systems.

You will collaborate with magnetics, thermal, controls and PCB teams to validate designs using PLECS, PSIM and MATLAB/Simulink, and to ensure interfaces with the 800 VDC output and front-end are reliable at scale in Paris.

Qualifications

• Bachelor's degree in Electrical Engineering or equivalent.
• Experience with isolated high-power DC/DC converter design.
• Experience with high-voltage power electronics and laboratory validation.
• Ability to collaborate with controls, magnetics, thermal and PCB engineers.
• Experience documenting design decisions, assumptions, risks and technical specifications.

Responsibilities

• Design DAB, CLLC and related isolated DC/DC converter architectures.
• Develop high-frequency modulation strategies for high-power operation.
• Optimize ZVS/ZCS operating regions and switching performance.
• Evaluate efficiency across variable AI/data-center load profiles.
• Coordinate DC/DC design with medium-frequency transformer and inductor designs.
• Define electrical interfaces with the AC/DC front end and 800 VDC output.
• Assess paralleling, current sharing and module fault-isolation strategies.
• Support protection and control requirements for the DC/DC stage.
• Use simulation tools to model converter behavior and validate results.

Skills

Isolated high-power DC/DC design

DAB/CLLC topologies

High-voltage power electronics

Cross-functional collaboration

Education

Bachelor's degree in Electrical Engineering

Master's or PhD in Electrical Engineering

Job description

Amazon Web Services is seeking a DC/DC Power Electronics Engineer to own the DC/DC stage within the MV-to-800 VDC SST power-conversion architecture. You will design isolated converters and optimize switching, efficiency and thermal performance for data-center power systems.

You will collaborate with magnetics, thermal, controls and PCB teams to validate designs using PLECS, PSIM and MATLAB/Simulink, and to ensure interfaces with the 800 VDC output and front-end are reliable at scale in Paris.