Optical Test Engineer: Fiber & High-Speed Cabling

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

Benefits offered by this job

Health insurance

401(k) plan

Paid time off

Job summary

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

This role will evaluate and execute mechanical and optical test plans for cable assemblies, coordinate lab activities with cross-functional teams, analyze test data, and produce clear technical reports that drive product and process improvements.

Qualifications

• Bachelor's degree in mechanical or electrical engineering, physics, or related technical field.
• Practical experience in product testing, lab operations, or reliability testing.
• Experience with mechanical test equipment and standard 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 optical fiber cable assemblies (environmental, mechanical, and optical).
• Perform hands-on environmental, mechanical, and functional testing of cable assemblies and connectors.
• Coordinate laboratory activities with product development, manufacturing, signal integrity, and quality teams.
• Record, analyze, and interpret test data; prepare detailed technical reports and presentations.
• Identify critical-to-quality aspects of product design and manufacturing processes and drive corrective actions.
• Create and maintain test process documentation, specifications, and work instructions.
• Support verification and validation activities, including requirements reviews.

Skills

Test planning

Data analysis

Lab operations

Communication skills

Travel flexibility

Education

Bachelor's degree in mechanical engineering, electrical engineering, physics, or related technical discipline

Tools

Python

SQL

MySQL

Job description

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

This role will evaluate and execute mechanical and optical test plans for cable assemblies, coordinate lab activities with cross-functional teams, analyze test data, and produce clear technical reports that drive product and process improvements.