Fiber Optic Engineering Technician

Your Job

The Fiber Optic Engineering Technician supports the development, prototyping, testing, and qualification of fiber optic connectors, cable assemblies, and related connectivity products.

This position works closely with mechanical, optical, manufacturing, and product development engineers to turn new concepts into functional prototypes and validated product designs.

The ideal candidate is highly hands-on, detail-oriented, and comfortable building fiber optic assemblies, operating optical and mechanical test equipment, troubleshooting failures, and documenting test results.

Our Team

Molex is an industry leader in transforming optical network infrastructure with an unwavering commitment to speed, reliability, and performance.

We proudly engineer high-performance systems for critical, fast-growing industries including data centers, telecom, medical, and industrial automation.

Our team develops an advanced portfolio of optical solutions, ranging from cutting-edge optical connectivity products-such as expanded beam connectors, fiber management, adapters, and hybrid copper/fiber solutions for medical systems-to end-to-end optoelectronic solutions featuring cages, connectors, optical transceivers, and cable assemblies.

Supporting extreme data rates from 100 Mbps to 1.6 Tbps across long-haul distances up to 80km+, we deliver complete wavelength management and turnkey OEM solutions.

Come join Molex and help build the future of global connectivity.

What You Will Do

Prototype Development


* Build and modify prototype fiber optic connectors, adapters, cable assemblies, fixtures, and related components.


* Perform fiber preparation, stripping, cleaving, termination, polishing, cleaning, and inspection.


* Support rapid prototype iterations for new connector and cable-assembly concepts.


* Develop and modify fixtures and test setups in collaboration with engineers.


* Maintain prototype materials, components, tools, and development hardware.

Fiber Optic Testing


* Perform insertion loss and return loss testing on single-mode and multimode fiber assemblies.


* Conduct fiber end-face inspection using appropriate inspection equipment and acceptance criteria.


* Operate optical power meters, light sources, interferometers, microscopes, and other fiber-optic laboratory equipment.


* Support mechanical testing such as mating/unmating, tensile, retention, durability, and dimensional measurements.


* Assist engineers with environmental and reliability qualification testing.


* Record results accurately and identify abnormal test behavior or product failures.

Engineering Support


* Work directly with engineers during feasibility studies, design experiments, DOE activities, and product-development programs.


* Execute engineering test plans and provide clear feedback on prototype performance and manufacturability.


* Assist with failure analysis, root-cause investigation, and corrective-action exp...