Senior Inverter Architect for High-Power Systems

Sapphire Technologies, Inc.; Cypress (CA); On-site; USD 144,000 - 195,000; Full time

Job summary

Sapphire Technologies seeks a Lead Power Electronics Engineer to spearhead inverter system architecture for high-speed rotating machinery and a major data-center platform. The role combines design, validation, and production-scale-up across power electronics, controls, and thermal interfaces.

The position emphasizes hands-on leadership, cross-functional collaboration, and cost-reduction goals, with travel and on-site work required to drive certification readiness and manufacturing readiness.

Qualifications

• Eight or more years of industry experience developing medium- or high-power inverters, motor drives, converters, or related industrial electronics.
• Strong understanding of three-phase inverter systems, modulation methods, semiconductor switching behavior, protection, and power quality.
• Experience defining power electronics architecture and leading products through design, validation, certification, and production.
• Experience with SiC-based inverter systems; GaN experience is beneficial.

Responsibilities

• Serve as Sapphire’s primary technical authority for the inverter system.
• Translate system and customer requirements into inverter architecture, technical specifications, and interface requirements.
• Lead topology selection and trade studies involving semiconductor technology and switching frequency, losses, and harmonic performance.
• Lead the design and validation of power stages, gate drives, DC-link systems, filters, sensing, and high-power interconnections.
• Define production-test requirements and support new-product introduction, supplier qualification, and manufacturing scale-up.

Skills

Power electronics

System architecture

Technical leadership

Cross-functional communication

Education

Electrical Engineering (Power electronics)

Tools

MATLAB/Simulink

PLECS

LTspice

Oscilloscopes

Job description

Sapphire Technologies seeks a Lead Power Electronics Engineer to spearhead inverter system architecture for high-speed rotating machinery and a major data-center platform. The role combines design, validation, and production-scale-up across power electronics, controls, and thermal interfaces.

The position emphasizes hands-on leadership, cross-functional collaboration, and cost-reduction goals, with travel and on-site work required to drive certification readiness and manufacturing readiness.