Epoxy Engineer

About Lumilens

Lumilens is pioneering the next generation of photonic infrastructure essential for advanced AI supercomputing. Our cutting-edge technology spans from chip-to-chip optical interconnects to scalable photonic engines, creating faster, more energy-efficient computing solutions. Backed by premier investors and led by industry veterans, Lumilens drives innovation at the forefront of AI hardware development.

Position Summary

We are searching for a highly skilled Epoxy Engineer specialized in epoxy materials and dispensing processes within optical and photonic device manufacturing. This position plays a vital role in guaranteeing assembly reliability, optimizing adhesive performance, and streamlining production processes to support Lumilens' groundbreaking products.

Key Responsibilities

• Formulate, evaluate, and improve epoxy adhesives for applications including die attach, fiber attach, lid seals, and underfills tailored for photonics devices.
• Choose optimal adhesives considering optical clarity, thermal resilience, mechanical strength, and long-term reliability.
• Design and validate production dispensing, curing, and handling processes to ensure consistent quality.
• Define process parameters, material specifications, and implement control plans for scalable manufacturing.
• Investigate adhesive failures through root cause analysis addressing issues like delamination, voids, misalignment, and optical losses.
• Drive yield improvements and defect reduction initiatives within manufacturing lines.
• Address performance challenges of epoxy under varying environmental and mechanical stresses.
• Assist in new product introduction and production scale-up at multiple manufacturing locations globally.
• Collaborate with equipment vendors to optimize dispensing and curing technologies including automation solutions.
• Lead reliability testing efforts such as thermal cycling, damp heat, shear and pull testing, and aging assessments.
• Work alongside Quality teams on failure analysis, corrective actions, and customer escalations.
• Serve as the key technical consultant globally on epoxy materials and processing issues.
• Develop training programs and technical documentation for engineering and operations personnel.
• Maintain strong partnerships with epoxy suppliers for formulation enhancements and strategic alignment.

Candidate Profile

• 5 to 10+ years of direct experience with epoxy chemistries and adhesive application processes.
• Background in manufacturing environments related to optics, photonics, semiconductors, or precision electronic devices.
• Proven ability in production troubleshooting and providing factory-level technical support.
• Expert understanding of epoxy chemistry including curing systems, fillers, and modifiers suited for optical assemblies.
• Experience with dispensing technologies such as time-pressure, auger, jetting, and automated systems.
• Strong grasp of how thermal, mechanical, and optical factors influence adhesive selection and usage.
• Competence in analyzing failure modes and making decisions driven by numerical data.
• Familiarity with silicon photonics, fiber optic components, and laser or optical module assemblies.
• Knowledge of industry standards such as Telcordia, JEDEC, and MIL-STD.
• Excellent communication skills in English, capable of training, mentoring, and delivering presentations both in-person and virtually.
• Willingness and ability to travel internationally as required.

Diversity and Equal Opportunity

We value diversity and inclusion, offering equal employment opportunities to all qualified individuals regardless of race, religion, sex, age, disability, or any other protected status under applicable laws.