Pacific Fusion

Infrastructure Mechanical Engineer

Pacific Fusion · San Leandro, California

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

The Infrastructure Mechanical Engineer will oversee the integration of mechanical building systems for a nuclear fusion demonstration system, collaborating with various teams to ensure effective design and construction. Responsibilities include developing equipment requirements, assisting in utility system design, and managing commissioning and maintenance plans. The role requires travel to New Mexico during the initial design phase and will eventually transition to a permanent presence there.

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

  • Minimum BS in Mechanical Engineering
  • Minimum 7+ years of experience in design, construction, facility operations, and commissioning for industrial, manufacturing, or research facilities
  • Experience with HVAC, process piping, fire sprinkler, and plumbing systems
  • Hands-on experience with industrial, manufacturing, or research facility commissioning and operations
  • Strong multidisciplinary program management skills
  • Proactive, doer, and self-starter mindset

Nice to have

  • PE license
  • Experience working in a startup
  • Experience in industries such as fusion, energy, aerospace, or chemical

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

  • Position requires relocation to New Mexico in 2028
  • Up to 25% travel to New Mexico for the first 2 years during design and permitting process
  • No specific mention of work-life balance or remote work options

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.

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