Senior Power Electronics Hardware Design Lead

Digitailor; Merrimack (NH); On-site; USD 140,000 - 190,000; Full time

Job summary

Trystar is seeking a Staff Power Electronics Hardware Design Engineer to own the hardware of power conversion products. You will design power stages, gate drives, protection circuits, and supporting circuits for high-voltage systems up to 2200 VDC and 800 kW, mentoring engineers along the way.

The role requires leading the hardware workstream across electrical, controls, firmware, and mechanical teams, with travel within North America up to 20% and onsite preference in Merrimack, NH.

Qualifications

• Bachelor’s degree in electrical engineering or related field with 10+ years of relevant industrial experience in power electronics hardware design.
• Experience taking high-power AC/DC, DC/AC, or DC/DC power stages from schematic through validated prototypes.
• Experience designing gate drives and selecting power semiconductors.
• Experience analog design for power and instrumentation systems, including sensing and protection schemes.
• Experience designing and specifying low- and high-frequency magnetic components and EMC/EMI compliance approaches.
• Experience insulation coordination, creepage, and clearance for high-voltage equipment.
• Ability to define hardware requirements for modulation and control software and programmable logic.
• Schematic capture, simulation, and modelling with LTspice, MATLAB/Simulink, PSIM, Python.

Responsibilities

• Own the power-stage hardware design of assigned products and set hardware design rules for the product line.
• Design power stages for AC/DC rectifiers, DC/AC inverters, and multi-phase DC/DC converters with Si and SiC devices.
• Design gate drives, sensing, protection, and fault-detection circuits; design supporting circuits and filters.
• Lead hardware workstream, review layouts, and mentor hardware designers and engineers.
• Provide design verification and validation through prototypes and testing; write specifications and release documentation.

Skills

Power electronics

Hardware design

Gate drives

Thermal design

High voltage

SiC MOSFETs

Schematic capture

PCB layout review

Mentoring

Education

Bachelor's degree in electrical engineering

Master's or doctoral degree in electrical engineering or power electronics

Tools

LTspice

MATLAB/Simulink

PSIM

Python

Job description

Trystar is seeking a Staff Power Electronics Hardware Design Engineer to own the hardware of power conversion products. You will design power stages, gate drives, protection circuits, and supporting circuits for high-voltage systems up to 2200 VDC and 800 kW, mentoring engineers along the way.

The role requires leading the hardware workstream across electrical, controls, firmware, and mechanical teams, with travel within North America up to 20% and onsite preference in Merrimack, NH.