or apply directly on Pacific Fusion's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 19 days Pacific Fusion's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 3% of Pacific Fusion's roles list one
- Ghost-job risk at Pacific Fusion
- high 23 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
- 2026-09-17
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 Design Engineer at Pacific Fusion, you will focus on designing and analyzing vacuum seals for various environments, leading experimental design and testing, and conducting research into sealing techniques. Your role will involve collaboration with internal teams and external partners, performing analyses for reliability and safety, and mentoring junior engineers. You will also document processes and interact with suppliers to support the development of pulser systems.
- benefits
- 3/5
- freshness
- 4/5
- 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
- Bachelor's or Master's degree in Mechanical, Aerospace, or a related engineering field, or equivalent experience
- 5+ years of mechanical design experience with a focus on vacuum seals and systems
- Strong proficiency in CAD, FEM, and engineering analysis tools
- Proven expertise in tolerance analysis, FMEA, seal design, and mechanical integration
Nice to have
- Experience in high vacuum systems design and assembly
- Experience using CREO
- Experience of high voltage electrical work
- Experience implementing instruments controls and software
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 details on the company's culture or team dynamics are provided
- The role requires access to U.S. export-controlled information, which may limit applicant eligibility
- The pay range is broad, and actual salary will depend on experience and location
Summarised from Pacific Fusion's posting. Read the full original.
Listed by Pacific Fusion on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
More roles at Pacific Fusion
- Senior Manufacturing EngineerSan Leandro, CA
- Senior Mechanical Engineer - Test InfrastructureSan Leandro, CA
- Fabrication LeadSan Leandro, CA
- Senior Manufacturing Engineer - NPIFremont, CA
- Senior Mechanical Engineer - Vacuum SystemsFremont, CA
- Manufacturing Systems AnalystSan Leandro, CA
- Summer 2027 Internship- Supply ChainSan Leandro, CA/Fremont, CA or Los Lunas, NM
- Summer 2027 Internship- Software EngineeringSan Leandro, CA/Fremont, CA or Los Lunas, NM