Pacific Fusion · 2 hours ago
Summer 2026 Internship – Optical Engineering, Target Area
San Leandro, CA
Internship
Onsite
Intern
Start in 2026 SummerPacific Fusion is a company focused on providing clean energy through innovative fusion technology. They are seeking an Optical Engineering Intern to perform analysis and testing of optical systems, contributing to the development of their fusion system while gaining hands-on experience in the field.
EnergyNatural ResourcesRenewable Energy
Responsibilities
Perform analysis and testing of optical systems
Qualification
Required
MS or PhD candidate in optical science and engineering, or a related field
Strong foundation in optical engineering fundamentals and first principles
Working knowledge of lasers, optical components (mirrors, lenses, etc.), coatings, fiber optics, test methods, optical specifications, and stray light
Hands-on experience aligning free space optics and construction of fiber systems
Exposure to optical analysis software such as Code V, Zemax, FRED, LightTools, or equivalent
Clear written and verbal communication skills
Able to work full time, onsite for a minimum of 10 consecutive weeks beginning in June 2026
Preferred
Experience with polarization analysis or ray tracing
Stray light or illumination analysis using FRED software
Familiarity with inertial confinement fusion optical diagnostic techniques such as velocimetry and high speed imaging
Data analysis skills with Python, Matlab, or similar language
Experience with CAD and FEA tools (ex. Ansys, Creo, SolidWorks)
Research at an academic or industry laser, pulsed power, or accelerator facility
Publications, posters and/or talks on design and analysis of optical systems
Hands-on optical design and assembly through coursework, clubs, research, or personal projects
6+ months of prior full time employment, internship, co-op, or substantial project experience
GPA of 3.5 or higher
Curiosity, humility, and a desire to both teach and learn
Benefits
Equity plan
6% employer 401k matching
Generous paid time off (including sick leave, vacation, paid family leave)
Medical, Dental, and Vision insurance
Company
Pacific Fusion
Pacific Fusion focuses on renewable energy generation, emphasizing affordable fusion power inspired by nature.
Founded in 2023
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$900M2024-10-25Series A· $900M
Leadership Team
Will Regan
Chief Scientist
Recent News
Crunchbase News
2025-12-18
2025-10-03
Company data provided by crunchbase