Optical Test Engineer: Prototype-to-Production

Mojo Vision; Cupertino, Northern (CA, KY); Hybrid; USD 141,000 - 211,000,000; Full time

Job summary

Mojo Vision in Cupertino, CA is seeking an Optical Test Engineer to drive characterization, qualification, and production release of advanced optoelectronic devices. You will perform optical and electrical measurements on prototype and pilot production samples, develop data-driven insights, and support equipment qualification.

The role requires hands-on lab experience, strong problem-solving, and collaboration with cross-functional teams to ensure accurate results and robust test methods in a

Qualifications

• BS or equivalent in Optical Engineering, Electrical Engineering, Physics, Engineering Technology, or related field.
• 3–5 years hands-on experience performing measurements in a laboratory or manufacturing environment.
• Experience programming, configuring and operating manufacturing test equipment.
• Knowledge of optical measurement principles and characterization techniques.
• Strong troubleshooting and problem-solving skills with the ability to systematically investigate technical issues.
• Highly organized and detail-oriented with excellent documentation and record-keeping practices.
• Ability to follow test procedures while maintaining flexibility in a fast-paced development environment.
• Proficiency with data analysis tools such as Excel, MATLAB, Python, LabVIEW, or similar software.

Responsibilities

• Perform optical and electrical measurements on prototype to manufacturing samples.
• Set up, operate, maintain, and troubleshoot laboratory test equipment used for device characterization, qualification, and manufacturing support.
• Execute test plans and collect accurate, high-quality measurement data in support of product development and process engineering activities.
• Analyze measurement results, identify anomalies, and assist in troubleshooting device, process, or test-system issues.
• Support engineering investigations by planning experiments and performing detailed measurements.
• Maintain clear and organized records of procedures, samples received, measurements performed, results, and equipment status.
• Assist with qualification and validation of new products, processes, and test methods.
• Work closely with cross-functional teams to ensure timely execution of testing priorities and project milestones.
• Follow laboratory procedures and best practices to ensure safe, accurate, and repeatable measurements.
• Contribute to continuous improvement efforts to enhanced test methods, automation, organization, and equipment utilization.

Skills

Optical measurements

Test equipment programming

Troubleshooting

Documentation

Data analysis

Communication skills

Lab organization

Experiment planning

Education

BS in Optical/Electrical/Physics

Tools

MATLAB

LabVIEW

Python

Excel

Job description

Mojo Vision in Cupertino, CA is seeking an Optical Test Engineer to drive characterization, qualification, and production release of advanced optoelectronic devices. You will perform optical and electrical measurements on prototype and pilot production samples, develop data-driven insights, and support equipment qualification.

The role requires hands-on lab experience, strong problem-solving, and collaboration with cross-functional teams to ensure accurate results and robust test methods in a