Senior Power Electronics Engineer — High-Current Systems

Gravity IT Resources; Town of Texas (WI); On-site; USD 110,000 - 170,000; Full time

Job summary

Gravity IT Resources is seeking a Sr. Power Electronics Engineer to own the electrical design of high-current solid-state switching platforms.

You will lead detailed schematic design for SCR/thyristor-based switching architectures, and collaborate with firmware, mechanical, and manufacturing teams to deliver UL-certified power platforms. 7+ years in industrial power electronics, deep expertise in high-current systems, and proficiency with Altium/OrCAD are required.

Qualifications

• Bachelor's degree in Electrical Engineering; 7+ years of experience in industrial power electronics.
• Proven experience designing schematics for high-current systems.
• Familiarity with UL requirements and NEC guidelines for low-voltage power equipment.
• Proficiency with schematic design tools such as Altium Designer or OrCAD.

Responsibilities

• Contributing to system-level architecture and electrical subsystem definition for high-current solid-state switching equipment.
• Owning detailed power and control schematic design for SCR/thyristor-based switching platforms.
• Designing and optimizing critical circuits including: Isolated gate drive and firing circuits; Snubber networks and dv/dt protection; di/dt limiting strategies; Fault commutation and semiconductor protection mechanisms.
• Performing thermal analysis and Safe Operating Area (SOA) evaluations for high-power semiconductor modules.
• Conducting short-circuit, overload, fault current, and protection coordination studies.
• Reviewing PCB layouts for high-current routing, creepage/clearance compliance, isolation integrity, and EMC performance.
• Supporting high-current validation and lab testing activities (up to 1600A).
• Participating in cross-functional design reviews and providing technical guidance to firmware, mechanical, and manufacturing teams.
• Supporting compliance-driven development and UL certification efforts for low-voltage power electronics products.

Skills

SCR/thyristor switching

High-current power electronics

Schematic design tools

Thermal analysis

EMC/ EMI mitigation

Cross-functional leadership

Education

Bachelor’s degree in Electrical Engineering

Master’s degree preferred

Tools

Altium Designer

OrCAD

MATLAB/Simulink

LTspice

Job description

Gravity IT Resources is seeking a Sr. Power Electronics Engineer to own the electrical design of high-current solid-state switching platforms.

You will lead detailed schematic design for SCR/thyristor-based switching architectures, and collaborate with firmware, mechanical, and manufacturing teams to deliver UL-certified power platforms. 7+ years in industrial power electronics, deep expertise in high-current systems, and proficiency with Altium/OrCAD are required.