lumilens - Epoxy Engineer
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Requirements
• 5–10+ years of hands-on experience with epoxy materials and adhesive processes • Direct experience in optical, photonics, semiconductor, or precision electronics manufacturing • Strong exposure to production troubleshooting and factory support • Deep knowledge of epoxy chemistry, curing mechanisms, fillers, and modifiers • Experience with optical alignment-sensitive assemblies • Familiarity with dispensing technologies (time-pressure, auger, jetting, automated systems) • Understanding of thermal, mechanical, and optical impacts of adhesive selection • Ability to analyze failure modes and drive data-based decisions • Experience in silicon photonics, fiber optics, or laser/optical modules • Knowledge of industry standards (Telcordia, JEDEC, MIL-STD) • Good command in English communication both verbal and written, including in-person and virtual presentation skills. Able to train and mentor peers when needed.
Responsibilities
• Materials & Process Development • Develop, evaluate, and optimize epoxy formulations for optical and photonic applications (die attach, fiber attach, lid seal, underfill, etc.) • Select adhesives based on optical, thermal, mechanical, and reliability requirements • Define and validate dispensing, curing, and handling processes for production environments • Establish process windows, material specifications, and control plans • Troubleshooting & Yield Improvement • Lead root-cause analysis for adhesive-related failures (delamination, voiding, misalignment, optical loss, reliability issues) • Support yield improvement and defect reduction initiatives in manufacturing • Resolve epoxy performance issues across temperature, humidity, and mechanical stress conditions • Manufacturing & Scale-Up Support • Support NPI and production ramp activities across global manufacturing sites • Work with equipment vendors on dispensing systems, curing ovens, and automation • Ensure epoxy processes are scalable, repeatable, and cost-effective • Reliability & Qualification • Support material qualification and reliability testing (thermal cycling, damp heat, shear, pull, aging) • Collaborate with Quality teams on FA, CAPA, and customer escalations • Ensure compliance with internal reliability standards and customer requirements • Global Technical Support & Knowledge Sharing • Act as a global technical expert for epoxy-related topics • Provide training and documentation for operations and engineering teams • Interface with epoxy suppliers and material vendors for formulation support and roadmap alignment
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