> Markdown version of [/jobs/ext/3702854-principle-engineer-applications-power-in-united-states](https://www.wearedevelopers.com/jobs/ext/3702854-principle-engineer-applications-power-in-united-states). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principle Engineer - Applications & Power in , United States - **Company:** Energy Jobline - **Location:** United States - **Contract:** Permanent contract - **Skills:** Software Debugging, LTspice, Modeling and Simulation - **Published:** October 12, 2026 - **Apply:** https://www.energyjobline.com/job/principle-engineer-applications-power-united-states-31928743 ## About the Role Several years of experience designing SMPS, inverters, converters, or motor drive systems xsgimln 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 such as PLECS, LTspice, PSIM, SIMPLIS, or similar Laboratory validation experience using oscilloscopes, power analysers, and switching characterisation equipment Ability to work directly with customers and provide technical support ## Description You will be working within a role focused on high-performance power conversion applications, liaising with customers and internal engineering teams. The successful candidate will contribute to design development, product evaluation, technical support, and product definition across a range of power electronics applications., 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