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Epoxy Engineer

Lumilens· Operations
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SingaporeFull-timePosted 2mo ago

About the role

Epoxy Engineer – Specialist with deep expertise in epoxy materials, formulations, and dispensing processes used in optical and photonic devices. Responsible for adhesive selection, development, and process optimization to ensure high reliability, yield, and performance of optical assemblies.

Responsibilities

  • 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
  • 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
  • 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
  • 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
  • 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

Qualifications

  • 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

Skills

Required:Epoxy chemistryOptical alignment-sensitive assembliesDispensing technologiesFailure analysisSilicon photonics / fiber optics / laser opticsEnglish communication and trainingInternational travel
Nice to have:Industry standards
Last updated Aug 8, 2026. Interested? Apply on the company site.

About Lumilens

Connectivity Platform for AI

Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.

Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
Company profileWebsite

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