Intern, Power Electronics Engineer, Power Magnetics, Spring 2027

Power Magnetics Engineer InternHeron Power develops advanced power electronics systems to modernize and scale electrical energy infrastructure. As a Power Magnetics Engineer Intern, you will support the design, validation, and characterization of magnetic components used in high-efficiency, high-power, and medium-voltage converter systems.Magnetic components play a critical role in determining converter performance, efficiency, thermal behavior, and electromagnetic compatibility. In this role, you will work closely with power electronics engineers to validate inductors, transformers, planar magnetics, magnetic current sensors, and EMI filtering components used in high-frequency, resonant, and multi-level converters. You will help characterize magnetic performance, analyze electromagnetic behavior, and correlate experimental measurements with analytical and simulation models.This role provides hands-on experience working with real power converter hardware and magnetics, supporting engineering efforts from early prototype evaluation through system-level validation.How You Will ContributeSupport the validation and characterization of medium-voltage magnetic components including inductors, transformers, planar magnetics, magnetic current sensors, and common-mode chokesAssist in developing and executing test plans to evaluate magnetic performance, including inductance, loss, saturation, thermal behavior, and insulation integrityPerform laboratory measurements using oscilloscopes, impedance analyzers, LCR meters, power analyzers, and thermal measurement toolsAnalyze switching waveforms to evaluate magnetic performance within power converter systemsSupport EMI/EMC validation efforts, including evaluation of common-mode chokes and filtering componentsAssist with electromagnetic modeling and FEA simulations to analyze magnetic fields, losses, and parasitic effectsHelp evaluate PCB layout and physical implementation to identify parasitic inductance, capacitive coupling, and EMI-related issuesAssist in building, assembling, and modifying prototype magnetic components and test fixturesCollect, analyze, and document experimental data and compare results with design expectations and simulation modelsCollaborate with power electronics, mechanical, and layout engineers to support magnetics integration and performance optimizationMust-Have RequirementsCurrently pursuing a Bachelor's, Master's, or PhD in Electrical Engineering or related fieldStrong fundamentals in power electronics, including switching converter operationUnderstanding of electromagnetic and magnetic component fundamentalsFamiliarity with inductors, transformers, and magnetic materialsHands-on laboratory experience with oscilloscopes, multimeters, or similar test equipmentExperience with circuit simulation tools such as LTspice, PLECS, or equivalentStrong analytical and problem-solving skillsAbility to work in a hands-on hardware development environmentNice-to-HavesExperience testing or characterizing magnetic componentsFamiliarity with planar magnetics or PCB-integrated magneticsExperience with electromagnetic simulation tools such as ANSYS Maxwell, FEMM, or COMSOLFamiliarity with EMI/EMC fundamentals and filtering techniquesUnderstanding of parasitic inductance, capacitance, and high-frequency effects in power convertersFamiliarity with medium-voltage design considerationsExperience working with magnetic core materials such as ferrite, nanocrystalline, amorphous, or powder coresUnderstanding of insulation coordination, creepage and clearance, and partial discharge considerationsExperience with laboratory instruments such as impedance analyzers or power analyzersFamiliarity with wide-bandgap devices such as SiC or GaNExperience with MATLAB or Python for data analysisStrong interest in power electronics and energy systemsIf you are passionate about technology and enjoy working in a fast-paced environment, we would love to hear from you. Join us in accelerating the electrification of everything at Heron Power.