Test Engineer

Your Job

We are seeking a hands-on Test Engineer focused on optical fiber and highspeed cable testing to support product 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.

Molex's Optical Connectivity Group and Datacom & Specialty Solutions Division design and deliver cutting edge optical and highspeed data cable solutions for data centers, telecom infrastructure, and next generation computing. As part of Koch Industries, we foster a culture of innovation, collaboration, and high technical standards across global markets.

• Create, plan, and execute test plans to qualify and validate optical fiber cable assemblies (environmental, mechanical, and optical aspects).
• Perform handson 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 criticaltoquality 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.

• Handson lab environment; ability to work with environmental and mechanical test apparatus.
• Ability to lift 50 lbs and stand for extended periods when performing handson test setup and troubleshooting.

• 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.
• Strong verbal and written communication skills; able to convey complex technical concepts clearly to global teams.
• Analytical thinker with the ability to apply logical reasoning, test assumptions, observe results, and make informed corrections.
• Willing and able to travel up to 10%.

• Master's degree in mechanical engineering or related field.
• Familiarity with Telcordia and/or IEC fiber optic testing standards. GR-1435-CORE, GR-326-CORE, IEC 61300, etc.
• Experience with Python or similar tools for data analysis and automation.
• Experience with mechanical test equipment such as force measurement systems and flex test equipment.
• Working knowledge of environmental chambers, optical back scatter reflectometers, interferometers, single and multimode insertion loss and return loss testing.
• Familiarity with fiber optic cables and connectors, fiber cleaving/splicing, and connector end face inspection and cleaning.
• Experience using relational databases (Microsoft SQL, MySQL) for test data management.
• Understanding of ISO/IEC 17025, calibration, measurement uncertainty, test method verification, lean / six sigma training (yellow/green Belt), quality assurance/control practices,…