NPI Injection Molding Engineer

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EssilorLuxottica, a fully integrated player, is a global leader in the design, manufacture and distribution of ophthalmic lenses, frames and sunglasses. The company brings together the complementary expertise of two industry pioneers, one in advanced lens technologies and the other in the craftsmanship of iconic eyewear, to create a vertically-integrated business that is uniquely positioned to address the world’s evolving vision needs and the global demand of a growing eyewear industry. A unique global footprint with a worldwide presence across all stages of the value chain, EssilorLuxottica has over 180,000 employees committed to providing vision care and eyewear products that meet the individual needs and aspirations of each consumer. Our unique business model and relentless pursuit of operational excellence ensures that consumers everywhere have access to products that have been rigorously tested to meet internationally recognized standards, from the simplest pair of glasses to the most sophisticated custom-made lenses and branded eyewear. For more information, please visit https://www.essilorluxottica.com  

Nice to know

Report to the Program Supervisor, the NPI Injection Molding Engineer is are responsible for the industrialization of injected plastic components within the NPI process — from tooling kick-off to validation and final release for mass production. Ensure that all molded parts are dimensionally and functionally validated, process-capable, and manufacturable within the defined cycle time and quality targets. Support cross-functional teams to identify design improvements, drive tool tuning, and manage mold trials.

My day at EssilorLuxottica

• Support mold design validation and tooling kick-off, and feedback to ensure manufacturability and injection feasibility.
• Coordinate and attend mold trials. collect key parameters, and drive tuning activities to achieve dimensional, cosmetic, and functional targets
• Define and validate injection parameters (pressure, temperature, cooling, etc.) to optimize cycle time while maintaining quality and mold/tool safety.
• Identify and resolve molding issues (e.g., sink marks, warpage, flow lines, short shots, flash). Drive root cause analysis and corrective actions during validation builds
• Verify resin compatibility, color consistency, and behavior in mold
• Work closely with design, tooling, quality, and production teams to ensure smooth transition of parts from samples to serial production.
• Prepare detailed trial reports, and maintain mold history files until hand-over to production. Track and follow open issues until closure.
• Ensure molded parts are available on time for sample making schedule. Validate part readiness against aesthetic, structural, and assembly fit requirements.
• Comply with the local and group policies
• Comply with the ISO certifications and other group systems
• Contribute to the external/internal audits

Must have

• Degree in Mechanical Engineering, Plastics Engineering, or related field
• Solid understanding of injection molding processes, tooling concepts, and thermoplastics behavior
• Experience with mold validation and troubleshooting techniques (DOE, scientific molding, etc.)
• Knowledge of dimensioning systems (GD&T), tolerances, and part qualification methods
• Familiarity with mold flow analysis and CAE tools is a plus
• Excellent analytical and problem-solving skills
• Strong communication and coordination in cross-functional environments

Proficient with technical documentation and reporting tools

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