Optical Test Engineer: Fiber & High-Speed Cabling

Molex; Lisle (IL); On-site; USD 90,000 - 140,000; Full time

Job summary

Molex in Lisle, IL is seeking a hands-on Test Engineer focused on optical fiber and high-speed cable testing to support development, reliability, and manufacturing validation.

You will create and execute test plans, analyze data, prepare reports, and collaborate with cross-functional teams to drive product and process improvements.

Requires a bachelor’s degree in engineering and hands-on lab operations experience; travel up to 10% may be required.

Qualifications

• Bachelor's degree in mechanical engineering, electrical engineering, physics, or a related technical discipline.
• Practical experience in product testing, lab operations, or reliability testing.
• Working knowledge of standard mechanical test equipment and test procedures.
• Ability to create and execute test plans, analyze results, and document findings clearly.
• Proficient with Microsoft Word, Excel, and PowerPoint for data analysis and reporting.

Responsibilities

• Create, plan, and execute test plans to qualify and validate optical fiber cable assemblies (environmental, mechanical, and optical aspects).
• Perform hands-on environmental, mechanical, and functional testing of cable assemblies and connectors according to established procedures.
• Coordinate laboratory activities with product development, manufacturing, signal integrity, and quality teams.
• Operate and maintain laboratory and test equipment; ensure test fixtures and instrumentation are calibrated and ready for use.
• Record, analyze, and interpret test data; prepare detailed technical reports and presentations summarizing methods, results, and recommendations.
• Identify critical-to-quality aspects of product design and manufacturing processes and work with teams to implement corrective and preventive actions.
• Create and maintain test process documentation, specifications, and work instructions.
• Support verification and validation activities, including requirements reviews and test execution tracking.

Skills

Hands-on testing

Lab operations

Data analysis

Report writing

Communication skills

Travel readiness

Education

Bachelor's degree in engineering

Tools

Python

SQL databases

MySQL

Job description

Molex in Lisle, IL is seeking a hands-on Test Engineer focused on optical fiber and high-speed cable testing to support development, reliability, and manufacturing validation.

You will create and execute test plans, analyze data, prepare reports, and collaborate with cross-functional teams to drive product and process improvements.

Requires a bachelor’s degree in engineering and hands-on lab operations experience; travel up to 10% may be required.