Power Applications Engineer – AI Data Center Power

onsemi; Scottsdale (AZ); On-site; USD 120,000 - 160,000; Full time

Job summary

onsemi is seeking a Power Applications Engineer to lead development, validation, and adoption of eFuse, Hot-Swap, and power-switch solutions for AI servers, cloud, and data-center platforms. You will build and refine performance-verification infrastructure and collaborate with customers to optimize onsemi content within their systems.

This role concentrates on architecture, modeling, and deployment of 48V/54V and 400V/800V power-delivery schemes, driving power-tree design, distribution

Qualifications

• BS/MS in Electrical Engineering with focus on power electronics.
• Experience with high-power or high-voltage systems (48/54V or 400/800V).
• Understanding of eFuse/Hot-Swap, power-switching devices, or power-tree architecture.
• Familiarity with system modeling tools (SPICE, SIMPLIS, MATLAB).
• Strong communication and customer-facing problem-solving skills.

Responsibilities

• Develop reference designs, evaluation platforms, and validation infrastructure for eFuse/Hot‑Swap and power‑switch solutions.
• Perform system modeling, power‑tree analysis, and protection‑strategy optimization.
• Support customers with design reviews, system bring-up, debug, and performance benchmarking.
• Collaborate with internal design, systems, and marketing teams to shape next‑generation product requirements.
• Generate technical collateral: application notes, whitepapers, reference schematics, simulation models.

Skills

High-power systems

Power-electronics

System modeling tools

Customer-facing skills

Education

Electrical Engineering degree (BS/MS) with power-electronics focus

Tools

SPICE

SIMPLIS

MATLAB

Job description

onsemi is seeking a Power Applications Engineer to lead development, validation, and adoption of eFuse, Hot-Swap, and power-switch solutions for AI servers, cloud, and data-center platforms. You will build and refine performance-verification infrastructure and collaborate with customers to optimize onsemi content within their systems.

This role concentrates on architecture, modeling, and deployment of 48V/54V and 400V/800V power-delivery schemes, driving power-tree design, distribution