Test Engineer, Optical Fiber & High-Speed Cabling

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

Benefits offered by this job

Medical benefits

Dental and vision

Paid time off

Educational assistance

Job summary

Molex in Lisle, Illinois is seeking a hands-on Test Engineer focusing on optical fiber and high-speed cable testing to support product development, reliability, and manufacturing validation. You will plan and execute tests, analyze data, and deliver formal reports to drive improvements.

The Optical Connectivity Group within Koch Industries fosters innovation and high technical standards. Expect cross-functional collaboration and opportunities to advance with global teams.

Qualifications

• Bachelor’s degree in mechanical or electrical engineering, physics, or related field.
• Practical experience in product testing, lab operations, or reliability testing.
• Working knowledge of standard mechanical test equipment and 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.
• Strong verbal and written communication skills; able to convey complex technical concepts clearly to global teams.
• Analytical thinker with ability to apply reasoning, test assumptions, observe results, and make informed corrections.

Responsibilities

• Create, plan, and execute test plans to qualify and validate optical fiber cable assemblies.
• 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.
• Operate and maintain laboratory and test equipment; ensure fixtures and instrumentation are calibrated and ready.
• 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 and test tracking.

Skills

Test planning

Data analysis

Lab operations

Technical reporting

Microsoft Office

Education

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

Tools

Environmental chambers

Interferometers

Backscatter reflectometers

SQL / MySQL databases

Python for data analysis

Job description

Molex in Lisle, Illinois is seeking a hands-on Test Engineer focusing on optical fiber and high-speed cable testing to support product development, reliability, and manufacturing validation. You will plan and execute tests, analyze data, and deliver formal reports to drive improvements.

The Optical Connectivity Group within Koch Industries fosters innovation and high technical standards. Expect cross-functional collaboration and opportunities to advance with global teams.