# Staff Electrical Engineer at Commonwealth Fusion Systems (CFS)

- Company: Commonwealth Fusion Systems (CFS)
- What the company does: The world's largest and leading commercial fusion energy company. Backed by Khosla.
- Company website: https://cfs.energy/
- Type: Startups
- Level: Senior
- Location: Milpitas, CA
- Work setup: On-site
- Pay: $130K to $220K base salary per year (USD)
- Posted: 2026-09-09
- Apply by: 2026-10-24
- Apply: https://jobs.lever.co/cfsenergy/60ac4feb-c7bd-4b39-b00f-3d353598a0f1
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-staff-electrical-engineer/

## About the role

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

## What they're looking for

- Education: Bachelor’s degree in Electrical Engineering (BSEE) or Mechatronics Engineering required (Master’s preferred)
- Experience: 10+ years of dedicated electrical engineering experience designing power distribution, electrical cabinets, and hardware architectures for complex industrial or R&D capital equipment
- Electrical Design Expertise: Expert proficiency with AutoCAD Electrical for full schematic generation, panel layouts, terminal block design, and wire harness documentation
- Power & Codes Mastery: Deep technical understanding of 480VAC 3-phase systems, transformer sizing, short-circuit current ratings (SCCR), arc flash safety, and industry codes (NFPA 79, NEC/NFPA 70, UL 508A)
- Grounding & Noise Control: Demonstrated experience solving EMI/EMC issues, noise coupling, and grounding challenges in complex electromechanical tools
- Controls Background (Secondary Skillset): Working knowledge of PLC hardware architectures (Beckhoff, Allen-Bradley, or Siemens), industrial fieldbuses (EtherCAT, EtherNet/IP), and safety PLCs (TwinSAFE)

Tags: Superconductor R&D