Principal Applications Engineer, Power Electronics

Energy Jobline ZR; Allentown (Lehigh County); On-site; USD 140,000 - 190,000; Full time

Job summary

Energy Jobline ZR is seeking a Principal Applications Engineer to lead high-performance power conversion applications, liaising with customers and internal teams to drive design development and product evaluation.

The role focuses on SMPS, inverters, and motor drive systems, requiring deep expertise in power semiconductor devices (Si, SiC, GaN) and proficiency with simulation tools and lab validation. You will create reference designs, support customer reviews, and document technical details.

Qualifications

• Several years of experience designing SMPS, inverters, converters, or motor drive systems.
• Demonstrable experience with a range of power converter/inverter topologies.
• Expert understanding of power semiconductor devices, including silicon and/or wide-bandgap technologies such as SiC and GaN.
• Proficiency with power electronics simulation and modelling tools (PLECS, LTspice, PSIM, SIMPLIS).
• Laboratory validation experience using oscilloscopes, power analysers, and switching characterisation equipment.

Responsibilities

• Act as a technical expert supporting customers designing with advanced power semiconductor devices.
• Develop and support high-efficiency power conversion reference designs across applications such as industrial motor drives and servo drives, power conversion systems, DC-DC power converters, and high-frequency AC-DC power conversion systems.
• Work extensively with a range of converter topologies.
• Perform power loss modelling, efficiency optimisation, thermal analysis, and system-level performance evaluation.
• Design and validate gate drive solutions for high-speed switching power devices.
• Support customer design reviews, troubleshooting activities, and application-level debugging.
• Create technical documentation.
• Provide technical support to internal applications and field engineering teams.

Skills

Power electronics

Customer collaboration

Thermal/efficiency analysis

Gate drive design

Tools

PLECS

LTspice

PSIM

SIMPLIS

Job description

Energy Jobline ZR is seeking a Principal Applications Engineer to lead high-performance power conversion applications, liaising with customers and internal teams to drive design development and product evaluation.

The role focuses on SMPS, inverters, and motor drive systems, requiring deep expertise in power semiconductor devices (Si, SiC, GaN) and proficiency with simulation tools and lab validation. You will create reference designs, support customer reviews, and document technical details.