Top 104 Optical engineering intern Jobs in California

Optical Engineering Intern
Advantest —San Jose, CA
- Bachelor of Science
- Electrical Engineering
- Internship
Intern Undergrad - Engineering
Vistra Nuclear Operations Company —Davis, CA
- Online Application
- Microsoft Excel
- Bachelor of Science
- Communication skills
Electrical Engineering Intern (Fall 2026)
Second Order Effects —Los Angeles, CA
- $70,400 a year
- Full-time
- Computer Science
- US work authorization
- In-person
- Paid holidays
- Health insurance
Quick Apply
ME Engineering Intern
Advantest —San Jose, CA
- Bachelor of Science
- Internship
- Entry level
Fall 2026 Engineering Intern - Davis Besse
Vistra Nuclear Operations Company —Davis, CA
- Part-time
- Civil engineering
- Microsoft Excel
- Bachelor of Science
Fall 2026 Engineering Intern - Davis-Besse
Vistra Nuclear Operations Company —Davis, CA
- Part-time
- Civil engineering
- Microsoft Excel
- Bachelor of Science
Intern - Electrical Engineering
Attalon, Inc. —Monrovia, CA
- $26.50 - $30.00 an hour
- Computer Science
- Bachelor of Science
- Continuous improvement
Quick Apply
Optical Engineering Technician - NPI (E)
KLA —Milpitas, CA
- $63,900 - $108,600 a year
- Extended hours
- Mid-level
- 3 years
- Organizational skills
- Employee stock purchase plan
- Paid holidays
Intern, Characterization - Summer 2026
Murata America —San Diego, CA
- $25.63 - $48.60 an hour
- Temporary
- Ability to walk for extended periods
- Analysis skills
- Electrical Engineering
Optical Engineer Intern (PICO) - 2026 Summer (PhD)
ByteDance —San Jose, CA
- $55 an hour
- Fair chance
- In-person
- Electrical Engineering
- Paid holidays
- Health insurance
Engineering Intern: Rapid Prototyping
Edulis Labs —Berkeley, CA
- $25 - $35 an hour
- Part-time
- CAD
- In-person
- Entry level
Quick Apply
7d
Optics Engineering Co-op - San Diego State University
Samtec, Inc —San Diego, CA
- $22 an hour
- Part-time
- Computer Science
- Engineering
- Data analysis skills
- 401(k)
- Tuition reimbursement
AI Intern
MaxLinear, Inc. —Carlsbad, CA
- $25 - $40 an hour
- Computer Science
- Bachelor of Science
- Office
5d
Materials Science Division Undergraduate Intern - Fall 2026
Lawrence Livermore National Laboratory —Livermore, CA
- Background check
- Word processing
- Pass drug screening
- Paid holidays
- 401(k)
Process Engineer (Intern)
Six Sigma/Winslow Automation Inc. —Milpitas, CA
- $30 - $40 an hour
- Bachelor of Science
- Internship
- Communication skills
Quick Apply
Optical Engineer
Neuralink —San Francisco, CA
- $86,000 - $143,000 a year
- Full-time
- Computer literacy
- Bachelor of Science
- System design
- Commuter assistance
- Paid holidays
Research Scientist Intern - Multimodal Sensing & On-Device Perception - Global Frontier Tech Recruitment Program - 2027 Start (PHD)
ByteDance —San Jose, CA
- $55 an hour
- Computer Science
- Fair chance
- In-person
- Paid holidays
- Health insurance
Intern - Infrared Imaging & Algorithms
Magna —Goleta, CA
- $17 - $26 an hour
- Part-time
- US work authorization
- In-person
- 1 year
Intelligent Sensing Intern - Low-power Agent Sensing and Computing Systems - Global Frontier Tech Recruitment Program - 2027 Start (PHD)
ByteDance —San Jose, CA
- $55 an hour
- System design
- Fair chance
- In-person
- Paid holidays
- Health insurance
Opto-mechanical Engineering Intern (Fall 2026)
Impulse Space —Redondo Beach, CA
- $32 an hour
- Full-time
- Internship
- Entry level
- Health insurance
- Dental insurance
Quick Apply
1d

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optical engineering intern jobs near california

Optical Engineering Intern

Advantest -
San Jose, CA

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Job Details

Internship

Qualifications

Telecommunications spectrum analyzers
Data visualization software proficiency
Optics
Spectrum analyzer usage
IP networking
Simulation tools
Data visualization projects

Full Job Description

We are seeking an Optical Engineering intern to lead the optical validation of our automated mating system for optical connectors used for Silicon Photonic (SiPh) and Co-Packaged Optics (CPO) devices. While the mechanical team builds the motion system, your role is to define, measure, and optimize the optical coupling efficiency and signal integrity during the automated test cycle.

You will be the bridge between the physical connector and the light path, ensuring that automated mating achieves the performance required for next-generation data center interconnects.

Primary Responsibilities

Optical Characterization: Quantify Insertion Loss (IL), Return Loss (RL), and Polarization Dependent Loss (PDL) across the automated mating cycle.
Coupling Optimization: Develop and refine "Active Alignment" algorithms—determining how the system should "search" for the peak optical signal once a coarse mate is achieved.
Fiber End-Face Analysis: Use automated interferometers and digital scopes to characterize the impact of "mating dust" and surface scratches on optical performance.
Beam Profiling: Analyze the mode-field diameter (MFD) and beam divergence at the connector interface to determine sensitivity to Z-gap and angular tilt.
Signal Stability Testing: Monitor optical power stability over time to identify "micro-fretting" or mechanical drift caused by the automation hardware.
Failure Mapping: Create a "Failure Catalog" documenting the mechanical and optical thresholds where the system performance degrades (e.g., insertion loss spikes or physical material wear).
Critical Skills & Requirements
- Fiber Optics Fundamentals:Deep understanding of single-mode fiber (SMF) theory, including evanescent fields, NA (Numerical Aperture), and dB/dBm calculations.
- Optical Lab Tooling:Proficiency with Power Meters, Light Sources, VOAs (Variable Optical Attenuators), and OSAs (Optical Spectrum Analyzers).
- Software/Scripting:Experience using Python or LabVIEW to control optical instruments via GPIB/TCP-IP (SCPI commands).
- Data Visualization:Ability to plot "Coupling Maps" (heat maps) to visualize how spatial misalignment translates to optical loss.
- Excellent teamwork and communication skills; ability to work effectively within a software engineering team.
- Analytical thinking and a structured approach to problem solving.
- Knowledge of semiconductor testing is a plus but not required.

Requirements:

Education:Currently pursuing a BS, MS, or PhD in Optical Engineering, Physics, or Electrical Engineering with an Optics focus.

Preferred Qualifications

Experience with optical simulation tools like Zemax, Lumerical, or RSoft.
Familiarity with different connector types (MPO, SN-MT, LC/PC) and fiber polishing standards.
Basic understanding of Silicon Photonics (SiPh) grating couplers and edge couplers.

What You Will Gain

You will work at the leading edge of optical interconnect technology. You will gain hands-on experience in how high-speed data is physically routed in a CPO environment and learn how to translate theoretical optical design into a robust, high-volume automated testing process.

Apply Now

Refine Your Search

optical engineering intern jobs in california

Optical Engineering Intern

Intern Undergrad - Engineering

Electrical Engineering Intern (Fall 2026)

ME Engineering Intern

Fall 2026 Engineering Intern - Davis Besse

Fall 2026 Engineering Intern - Davis-Besse

Intern - Electrical Engineering

Optical Engineering Technician - NPI (E)

Intern, Characterization - Summer 2026

Optical Engineer Intern (PICO) - 2026 Summer (PhD)

Engineering Intern: Rapid Prototyping

Optics Engineering Co-op - San Diego State University

AI Intern

Materials Science Division Undergraduate Intern - Fall 2026

Process Engineer (Intern)

Optical Engineer

Research Scientist Intern - Multimodal Sensing & On-Device Perception - Global Frontier Tech Recruitment Program - 2027 Start (PHD)

Intern - Infrared Imaging & Algorithms

Intelligent Sensing Intern - Low-power Agent Sensing and Computing Systems - Global Frontier Tech Recruitment Program - 2027 Start (PHD)

Opto-mechanical Engineering Intern (Fall 2026)

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