Staff Electrical Engineer, High-Power Systems

Commonwealth Fusion Systems; Milpitas (CA); On-site; USD 130,000 - 220,000; Full time

Benefits offered by this job

Health insurance

401(k) with employer matching

Equity

Parental leave

Professional growth opportunities

Job summary

Commonwealth Fusion Systems is seeking a Staff Electrical Engineer to lead the electrical hardware authority for next-gen R&D tools. You’ll own end-to-end electrical design, focusing on 480VAC power distribution, sensor integration, and control panel architecture.

You’ll bridge high-power infrastructure with machine controls, working with software and mechanical teams to bring first-of-a-kind hardware to life.

Qualifications

• Bachelor’s degree in Electrical Engineering (BSEE) or Mechatronics; Master’s preferred.
• 10+ years of electrical engineering experience for complex industrial/R&D capital equipment.
• Expert in AutoCAD Electrical for schematics and wiring layouts.
• Deep knowledge of 480VAC 3-phase systems, SCCR, arc flash, and NFPA/NEC/UL 508A.
• Experience solving EMI/EMC, grounding, and noise in high-power tools.
• Working knowledge of IEC 61131-3, PLC hardware, and fieldbuses.

Responsibilities

• Lead Electrical System Architecture for complex R&D tools, incl. power distribution and safety systems.
• Design and draft schematics and panel layouts to NFPA 79/NEC standards.
• Integrate power supplies, drives, sensors, and safety relays with controls teams.
• Address EMI/EMC, grounding schemes, and signal integrity on high-power equipment.
• Oversee panel shops, BOMs, FAT, and installation on the tool floor.
• Support controls engineers with EtherCAT, fieldbuses, and basic PLC debugging.

Skills

AutoCAD Electrical

Electrical design

Power distribution

Code compliance

PLC hardware

EtherCAT

Fieldbuses

Schematic drafting

EMI/EMC

High-power systems

Grounding

Safety systems

Education

Bachelor’s degree in Electrical Engineering (BSEE) or Mechatronics

Master’s preferred

Tools

Beckhoff

Allen-Bradley

Siemens

Job description

Commonwealth Fusion Systems is seeking a Staff Electrical Engineer to lead the electrical hardware authority for next-gen R&D tools. You’ll own end-to-end electrical design, focusing on 480VAC power distribution, sensor integration, and control panel architecture.

You’ll bridge high-power infrastructure with machine controls, working with software and mechanical teams to bring first-of-a-kind hardware to life.