Piper Maddox · 3 hours ago
Senior Power Electronics Engineer
North Carolina, United States
Full-time
Onsite
Senior Level
5+ years expPiper Maddox is partnered with a market leader in the charging infrastructure space who have had immense success in the US and are growing rapidly. They are seeking a Senior Power Electronics Engineer to lead complex diagnostics and root-cause analysis on high-voltage AC-DC power units, acting as the technical authority when failures occur.
RecruitingRenewable EnergyStaffing Agency
Hiring Manager
Alisha Michaels
Responsibilities
Lead failure analysis and root cause investigations on high-power AC-DC systems (50kW units, ~480V AC to up to 1000V DC)
Act as the technical authority when power units fail, directing diagnostics and determining root cause , rather than performing routine repairs
Safely measure and analyze high voltages and currents (500V+ DC) using appropriate test and inspection equipment
Isolate failures within the power stack , including gate drivers, control electronics, and power semiconductor components
Apply structured root cause methodologies to define what failed, why it failed, and how recurrence is prevented
Communicate findings clearly across Service, Quality, and R&D teams, including European engineering stakeholders
Translate complex technical diagnostics into clear, credible explanations for customers
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering (Master's preferred)
5+ years of hands-on experience in power electronics or failure analysis
Mandatory high-voltage DC experience (500V+)
Strong understanding of gate driver circuits and power semiconductor behavior
Practical knowledge of Silicon vs. Silicon Carbide devices and why one is selected over the other
Experience inspecting circuit boards, measuring voltages/currents, and diagnosing component-level failures
Ability to clearly explain technical reasoning, not just outcomes
Preferred
Exposure to UPS systems or comparable high-power technologies
Experience with 8D analysis, FMEA, or structured RCA frameworks
Motor control or power driver experience
MATLAB or simulation tools
Background in automotive power electronics (e.g. onboard chargers, high-power converters)
Company
Piper Maddox
Piper Maddox provides recruitment services for the renewable energy sectors.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase