Plastics Injection Molding - Manufacturing Engineer II
Listed on 2026-07-13
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Manufacturing / Production
Injection Molding, Manufacturing Engineer, Quality Engineering -
Engineering
Injection Molding, Manufacturing Engineer, Quality Engineering, Process Engineer
Life Unlimited. At Smith+Naphew we design and manufacture technology that takes the limits off living.
The 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**
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)
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.
Competences- 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 35 lbs
Travel Requirements:
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