Plastics Injection Molding – Manufacturing Engineer II; US - Mansfield
Listed on 2026-07-01
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Engineering
Manufacturing Engineer, Injection Molding, Process Engineer, Quality Engineering -
Manufacturing / Production
Manufacturing Engineer, Injection Molding, Quality Engineering
Life Unlimited
At Smith+Nephew we design and manufacture technology that takes the limits off living.
Plastics Engineer IIThe Plastics Engineer II will serve as a primary technical resource on the manufacturing floor, focusing on hands-on injection molding processing and mold maintenance to support medical device production. This role requires a strong background in scientific molding to develop, optimize, and troubleshoot molding processes, as well as the ability to perform or support mold maintenance, repair, and setup.
** This position is not offering any type of visa transfer or sponsorship now or in the future**
What will you be doing?
- Hands-on Process Optimization:
Lead injection molding process development and optimization using Scientific Molding techniques (e.g., DOE, viscosity curves, cavity pressure monitoring) to ensure consistent quality and efficiency. - Mold Maintenance & Support:
Perform and manage mold preventative maintenance (PM), repair, and modification to maximize mold life and minimize downtime. - Troubleshooting:
Act as the technical lead in resolving production issues related to machinery, tooling, materials, and process deviations. - Validation & Compliance (GMP/ISO):
Develop and execute validations (IQ/OQ/PQ) for new molds, processes, and equipment in compliance with FDA and ISO 13485 regulations. - Production Setup:
Lead mold trials, machine setups, and commissioning of new molds/equipment. - Documentation:
Maintain meticulous process documentation, including Process Flow Diagrams, Mold Maintenance Logs, and Work Instructions. - Technical Support:
Collaborate with Product Development on Design for Manufacturability (DFM) and support the tooling team with CAD reviews and mold flow analysis.
Location:
Mansfield Massachusetts, (in person role)
What will you need to be successful?
Education:
Bachelors degree in Plastics Engineering
Experience:
2+ years of hands-on experience in plastic injection molding, specifically within the medical device or high-precision industry.
- Deep understanding of scientific molding processes.
- Strong mold maintenance, tooling, and repair capabilities (e.g., hot runners, mold disassembly).
- Proficiency in CAD software (Solid Works/AutoCAD).
- Experience with medical regulatory requirements (GMP/ISO 13485).
Physical Demands:
Ability to lift 35lbs
Travel Requirements:
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