Staff Engineer Injection Molding

Biopharma Careers; Limerick; Hybrid; EUR 63,000 - 101,000; Full time

Benefits offered by this job

Annual bonus

Vacation days

Parental leave

Well-being reimbursement

Insurance plans

Job summary

Johnson & Johnson is seeking a Staff Engineer - Molding in Limerick, Ireland to provide technical leadership for contact lens molding and associated manufacturing systems. The role focuses on equipment reliability, process optimization, tooling strategy, NPI, and continuous improvement while ensuring safety, quality, and regulatory compliance.

You will interface with Manufacturing, R&D, Optical Tooling, and external suppliers to drive tooling development, mold flow simulations, and robust

Qualifications

• Requires strong expertise in injection molding processes and tooling.
• Experience leading cross-functional teams across R&D, Manufacturing, and Quality.
• Proven track record in process optimization and NPI in medical device/manufacturing contexts.

Responsibilities

• Provide technical leadership for molding and tooling across contact lens production.
• Lead mold design reviews, supplier RFQs/URS, and tooling lifecycle management.
• Drive process reliability, troubleshooting, and root cause investigations.
• Support NPI and industrialization of new lens technologies.
• Collaborate with R&D, Optical Tooling, Automation, and Process Engineering.
• Ensure safety, quality, and regulatory compliance in molding operations.

Skills

Injection molding

Problem solving

Cross-functional collaboration

Process optimization

Technical leadership

Education

Engineering degree (Mechanical/Materials)

Tools

3D CAD

Mold flow simulations

Tooling management

Job description

At Johnson & Johnson,we believe health is everything. Our strength in healthcare innovation empowers us to build aworld where complex diseases are prevented, treated, and cured,where treatments are smarter and less invasive, andsolutions are personal.Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.Learn more at jnj.com .

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

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.

Investigate and resolve molding, tooling, process, and equipment performance issues impacting quality and production output.

Lead root cause investigations and implement corrective actions to improve process robustness and manufacturing performance.

Support troubleshooting of molding equipment, robotics, vacuum systems, temperature control systems, sensors, shutters, and ancillary equipment.

New Product Introduction (NPI) and R&D Support

Collaborate with R&D and manufacturing teams to industrialize new contact lens technologies and manufacturing processes.

Evaluate manufacturing implications of new product designs and tooling strategies.

Participate in recurring R&D operational reviews and cross‑functional technical forums.

Support prototype, pilot, and commercial implementation activities.

Continuous Improvement and Operational Excellence

Identify opportunities to improve throughput, yield, reliability, and operational efficiency.

Analyze manufacturing losses, equipment downtime, and quality issues to drive sustainable improvements.

Support capacity planning and future manufacturing investments.

Develop engineering solutions that improve operational performance and reduce manufacturing risk.

Safety, Quality, and Compliance

Champion safe work practices and engineering controls within molding operations.

Lead or contribute to safety assessments, risk evaluations, and continuous safety improvement activities.

Develop and maintain technical documentation, procedures, and training materials.

Ensure engineering activities comply with company standards and regulated manufacturing requirements.

Cross-Functional Collaboration

Partner with Manufacturing Operations, Process Engineering, Automation, Maintenance, Quality, R&D, and Optical Tooling organizations.

Work with global engineering teams and external suppliers to support tooling, equipment, and technology projects.

Provide technical guidance and subject matter expertise to production and engineering teams.

Key Stakeholders

R&D Operations Engineering Team

Molding Operations and Manufacturing Teams

Optical Tooling Organizations

Process and Automation Engineers

Quality and EHS Functions

External Tooling and Equipment Suppliers

Global Vision Care Engineering Teams

Typical Deliverables

Molding equipment and tooling improvement projects

Root cause investigations and corrective action plans

Mold qualification and validation activities

Safety and risk assessment documentation

Engineering standards, procedures, and work instructions

Technical evaluations supporting NPI and capacity expansion initiatives

Core Competencies

Injection molding process and tooling engineering

Problem solving and root cause analysis

Manufacturing systems troubleshooting

Process optimization and continuous improvement

Technical project leadership

Cross-functional collaboration

Product industrialization and NPI support

Safety and risk management

Required Skills:

Preferred Skills:

Business Case Modeling, Coaching, Critical Thinking, Design Thinking, Feasibility Studies, Mechanical Engineering, Problem Solving, Process Oriented, Product Design, Product Development, Project Management Methodology (PMM), Project Support, Research and Development, SAP Product Lifecycle Management, Technical Credibility, Technical Writing, Technologically Savvy

The anticipated pay range for this position, in the primary posting location, is:

€63,300.00 - €101,315.00

The anticipated pay ranges for additional locations are:

The anticipated base pay range for this position is 63,300.00 – 101,775.00 Eur Annual

Benefits:

In addition to base pay, we offer the following benefits*: an annual bonus with set target (% of pay) depending on pay grade / location, where the actual amount is based on the employees’ and companies’ performance of the previous calendar year, or sales commissions. Moreover, we offer vacation days, parental leave for a minimum of 12 weeks, bereavement leave, caregiver leave, volunteer leave, well-being reimbursement, programs for financial, physical and mental health. We also offer service anniversary and recognition awards, and subject to the terms of their respective plans, employees - and in some location’s eligible dependents - can participate in several insurance plans. For more information, visit Employee benefits | Supporting well-being & career growth | Johnson & Johnson Careers.

*This is for informative purposes only. Amounts and actual benefits may vary by location and are subject to change.