Staff Engineer Injection Molding

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Job Function:
R&D Product Development

Job Sub Function:
R&D Mechanical Engineering

Job Category:
Scientific/Technology

All Job Posting Locations:
Limerick, Ireland

Job Description:

Staff Engineer - Molding

Johnson & Johnson is hiring for a Staff Engineer, Injection Molding.

This position will be located in Limerick, Ireland.

Position Summary

The Staff Engineer - Molding is responsible for providing technical leadership and engineering support for contact lens molding and associated manufacturing systems.

The role drives equipment reliability, molding process optimization, tooling strategy, new product introduction (NPI), and continuous improvement initiatives while ensuring compliance with safety, quality, and operational performance requirements.

The position serves as a key technical interface between Manufacturing, R&D, Optical Tooling, Process Engineering, Automation, and external suppliers.

This

Key Responsibilities
Mold Tooling Development and Vendor Management


* Tooling project and Vendor management to include tooling budgets, timelines, project milestones from concept to commercial.

Selecting tooling suppliers and vendors issuing RFQs or URSs.

Coordinate Design Reviews and Factory Acceptance Tests


* Support mold design, mold modifications, mold validation, and tooling lifecycle management.


* Manage mold flow simulations to predict and prevent design flaws and part defects.


* Create or review detailed 3D CAD models and technical drawings for components and tooling, specify technical requirements including hot runner systems and gating strategies.


* Assess tooling requirements for existing and future contact lens products, including new lens platforms and stabilization designs.


* Coordinate offline tooling activities and external vendor work related to molds, inserts, and core components.


* Partner with Optical Tooling and R&D teams to define tooling requirements for development and manufacturing programs.

Molding Process Engineering


* Provide technical ownership and engineering support for injection molding equipment, molds, inserts, cores, and associated automation systems.


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