Senior Power Electronics Engineer

Everett, WA. Posted 23 months ago

The role

You will design, build, and commission power electronics hardware for a fusion power machine. Work includes controls and protection, high voltage and pulsed power, and power electronics design.

What you will do

Design low-voltage electronics to command, monitor, and protect pulsed-power circuits
Design EtherCAT-networked control boards
Design high-voltage and pulsed-power systems including capacitor banks and switching
Characterize components under real pulsed conditions
Design power-conversion hardware including high-efficiency converters, chargers, and energy-recovery circuits
Select devices and design magnetics and thermal paths
Optimize for efficiency, density, and manufacturability

Required qualifications

Degree in Electrical Engineering or a related field, or equivalent hands-on experience
Demonstrated experience designing and building power electronics or power-conversion hardware from schematic through board bring-up, debug, and test
Solid grounding in power electronics fundamentals: switching topologies, semiconductor device selection (IGBTs, MOSFETs, thyristors/SCRs), gate drive, magnetics, thermal design, and loss analysis
Proficiency with PCBA design (Altium, KiCad, or equivalent)
Proficiency with circuit simulation (SIMetrix, PLECS, LTspice, PSIM, or equivalent)
Strong hands-on lab skills: bench bring-up, characterization, and debugging with oscilloscopes, DMMs, and related instrumentation

Nice to have

Familiarity with real-time interfaces such as EtherCAT
Familiarity with FPGA or embedded monitoring
High-voltage or pulsed-power experience

Benefits

Medical, Dental, and Vision plans for employees and their families
31 Days of PTO (21 vacation days and 10 sick days)
10 Paid holidays, plus company-wide winter break
Up to 5% employer 401(k) match
Short term disability, long term disability, and life insurance
Paid parental leave and support (up to 16 weeks)
Annual wellness stipend

About the company

Helion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant. They have raised $1.5 billion from investors to develop their prototype, Polaris, and future plant, Orion.