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Plastics Injection Molding – Manufacturing Engineer II; US - Mansfield

Job in Mansfield, Bristol County, Massachusetts, 02048, USA
Listing for: Smith & Nephew
Full Time position
Listed on 2026-06-06
Job specializations:
  • Engineering
    Manufacturing Engineer, Injection Molding, Process Engineer, Quality Engineering
  • Manufacturing / Production
    Manufacturing Engineer, Injection Molding, Quality Engineering
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Plastics Injection Molding – Manufacturing Engineer II (US - Mansfield)
## Plastics Injection Molding – Manufacturing Engineer II (US - Mansfield)
Apply locations:
Mansfield, MAtime type:
Full time posted on:
Posted 4 Days Agojob requisition : R90150
** Life Unlimited.
** At Smith+Nephew 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  
***** 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.

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 35lbsTravel Requirements:
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