Pacific Fusion

Mechanical Engineer - Pulsed Power

Pacific Fusion · Fremont, CA

Posted about 3 months ago

or apply directly on Pacific Fusion's site. We never take the application ourselves.

Is this posting real?

This role has been open
80 days
Pacific Fusion's roles stay open a median of 80 days
Reposted
No
Salary listed
No
3% of Pacific Fusion's roles list one
Ghost-job risk at Pacific Fusion
high
31 stale, 0 reposted of 37 open
Hiring momentum
46 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-22

Measured from postings appearing on and disappearing from Pacific Fusion's own greenhouse board since 2026-08-03. Full hiring picture for Pacific Fusion.

About this role

As a Mechanical Engineer at Pacific Fusion, you will be responsible for designing, building, and operating pulsed power systems that are central to their experimental fusion platform. This hands-on role involves working with high-voltage systems, conducting data analysis, and collaborating with various teams to enhance system performance. You will also lead R&D workflows and ensure the safe operation of high-energy systems while translating experimental results into actionable insights for future designs.

Our read on this posting2.6out of 5
benefits
3/5
freshness
1/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Pacific Fusion as an employer.

What you need

  • Bachelor’s degree in Mechanical Engineering, Applied Physics, or a related field
  • 2+ years of demonstrated experience designing complex systems
  • Experience designing, developing, testing and building prototype mechanical/electrical systems
  • Proven ability to deliver complex R&D projects on schedule, from concept to prototype to validation
  • Strong background in electronic design, control systems, and PLC software development
  • Proficiency in circuit simulations (e.g., SPICE, PSCAD, COMSOL, or similar) and data analysis using Python, MATLAB, or equivalent tools

Nice to have

  • Advanced degree (M.S. or Ph.D.) in Mechanical Engineering, Applied Physics, or a related field
  • Prior experience with high-voltage pulsed systems for fusion, plasma research, or accelerator applications
  • Hands-on experience integrating diagnostics and controls for high-energy experiments
  • Knowledge of safety standards and best practices in high-voltage or high-energy environments

What you get

  • Industry-competitive salary
  • Equity plan
  • 6% employer 401k matching
  • Generous paid time off (including sick leave, vacation, paid family leave)
  • Medical, Dental, and Vision insurance

Worth weighing

  • No specific mention of remote work options or flexibility in hours beyond occasional work outside regular business hours
  • The role involves working with high-energy systems, which may present safety risks that require adherence to strict protocols
  • The company is newly founded in 2023, which may imply a fast-paced and evolving work environment

Summarised from Pacific Fusion's posting. Read the full original.

Listed by Pacific Fusion on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.

More roles at Pacific Fusion

All 37 open roles at Pacific Fusion →

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