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Lead Power Electronics Engineer – Intermediate Bus Conversion & Advanced Power Architectures

OmniOn Power
USA
Full-time
Lead · 10+ years experience
Onsite
Discovered 2 weeks ago

Full Job Posting

Key Responsibilities

  • Lead the design and development of advanced DC-DC power converters, including:
  • High-voltage intermediate bus converters
  • Low-voltage high-current IBC modules
  • 800V-to-48V architectures
  • ±400V-to-48V conversion systems
  • Regulated and unregulated bus converters
  • Multiphase and high-current power stages
  • Resonant and soft-switching topologies
  • Define and optimize power architectures for:
  • Efficiency
  • Power density
  • Thermal performance
  • Reliability
  • EMI/EMC compliance
  • Fast transient response
  • Drive topology selection and optimization using simulation tools such as:
  • PSPICE
  • SIMPLIS
  • SIMetrix
  • LTspice
  • Ansys
  • Lead schematic development and guide high-density PCB layout with emphasis on:
  • High-current routing
  • Parasitic reduction
  • Thermal management
  • EMI mitigation
  • Manufacturability
  • Perform hands-on prototype validation, debugging, characterization, and failure analysis.
  • Collaborate with firmware, digital controls, magnetics, thermal, mechanical, and manufacturing teams to ensure robust product execution and production readiness.
  • Support existing product platforms through optimization, lifecycle management, and component alternate qualification.
  • Mentor junior engineers, lead technical reviews, and contribute to innovation initiatives and intellectual property development.

Basic Qualifications

  • B.S. in Electrical Engineering or related field (M.S. preferred)
  • Minimum 10+ years of experience in power electronics hardware design
  • Proven experience developing isolated and non-isolated DC-DC converters

Preferred Skills and Experience

  • Strong experience with:
  • Intermediate bus converter (IBC) architectures
  • High-voltage DC bus systems
  • Low-voltage high-current power delivery
  • 48V power distribution systems
  • AI and data center power architectures
  • Experience designing:
  • 800V-to-48V converters
  • ±400V-to-48V converters
  • High-current low-voltage IBC modules
  • POL and multiphase converters
  • Deep knowledge of:
  • LLC resonant converters
  • Phase-shifted full bridge topologies
  • Soft-switching techniques
  • High-frequency power conversion
  • Experience with GaN and SiC power devices
  • Strong understanding of:
  • Magnetics design
  • High-frequency transformer optimization
  • Thermal management
  • EMI/EMC mitigation
  • Familiarity with digital control loops, compensation techniques, and mixed-signal power systems
  • Hands-on lab expertise in:
  • High-voltage testing
  • Power converter validation
  • Thermal characterization
  • Failure analysis
  • Proficiency with schematic capture, PCB layout guidance, and power electronics simulation tools
  • Strong technical leadership, communication, and cross-functional collaboration skills
  • This position is intended to strengthen organizational capability in both high-voltage and low-voltage intermediate bus conversion systems for next-generation AI and data center power delivery. Candidates with strong experience in regulated or unregulated IBC architectures—including 800V-to-48V, ±400V-to-48V, and low-voltage high-current bus converters—will be highly valued.
  • The current team is primarily composed of junior engineers and requires a strong technical lead to drive architecture decisions, mentor the team, and execute advanced power conversion programs. This role is critical to expand our expertise in next-generation intermediate bus converter technologies and accelerate development of advanced AI and hyperscale data center power platforms.
  • B.S. in Electrical Engineering or related field (M.S. preferred)

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