Internships › Physics › California

Physics internships in California

18 open student roles in physics in California, from internships to co-ops and research. That includes 3 co-ops and 1 research position. 5% list pay or say they are paid. The most common start terms are Summer 2027 and Winter 2027. Employers with the most openings: Tesla, Zeiss, AMD, Alcon and Hewlett Packard Enterprise.

• Tesla New
  Optical Engineer Intern - Electronic Systems
  Palo Alto, CA · Winter 2027
  Open posting
• Hewlett Packard Enterprise New
  Optical Engineering Intern
  Sunnyvale, California, United States of America
  Open posting
• Nokia New
  Photonic Integrated Circuits Test Co-op
  Sunnyvale, CA +1 · Winter 2027 · co-op
  Open posting
• Taara
  Coherent Optical Systems Internship
  Sunnyvale, CA +1
  Open posting
• Lightmatter New
  Silicon, Hardware, & Photonics Engineering - Internship
  Mountain View, CA +1
  Open posting
• Tesla
  Robotics Physics Modeling Engineer Intern - Model Based Design - Optimus
  Palo Alto, CA · Spring 2027
  Open posting
• AMD
  2027 PhD SerDes Optical Transceivers Silicon Design and Architecture Modeling Engineer Intern/Co-op
  San Jose, California +3 · Summer 2027 · co-op
  Open posting
• AMD
  2027 PhD Optical & Photonics Engineering Intern/Co-Op
  San Jose, California +3 · Summer 2027 · co-op
  Open posting
• Marvell
  Ph.D. Intern - Silicon Photonics & Optical Communications
  Santa Clara, CA +8
  Open posting
• Keysight Technologies
  Integrated Photonics Research Intern
  Santa Clara, California · research · $63.53
  Open posting
• Alcon
  2027 Summer Optical & Vision Science Engineering Interns
  Lake Forest, California +4 · Summer 2027
  Open posting
• Tesla
  Physics Engine Development Engineer Intern - Optimus
  Palo Alto, CA · Summer 2027
  Open posting
• Tesla
  Physics Engine Development Intern - Physics Engine Development Engineer - Optimus
  Palo Alto, CA · Fall 2026
  Open posting
• Neuralink
  Robot Optics Intern
  South San Francisco, California, United States +1
  Open posting
• Zeiss
  Internship – Photonic Integrated Modulators (f/m/x)
  Karlsruhe, CA
  Open posting
• Zeiss
  Internship Optics/Electronics (f/m/x)
  Oberkochen, CA
  Open posting
• L3Harris Technologies
  Intern, Photonics Engineer
  Carlsbad, CA
  Open posting
• Zeiss
  Internship –Wave Optical Simulations for Micro-optical Structures (f/m/x)
  Oberkochen, CA
  Open posting

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Updated September 26, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.