Manufacturing Engineer
US$74,500 – US$111,500 / yr base salary
Posted 29 Jul 2026
Advertised as “Plastics Injection Molding – Manufacturing Engineer II”
BranchFactor Summary
The original posting with the fluff stripped out
- Level
- II
- Expected experience
- 2+ yrs
- Management level
- Individual contributor
- Employment
- On-Site
- Contract
- Full-time
- Visa sponsorship
- Not offered
| Base salary | US$74,500 – US$111,500 / yr |
|---|
CertificationsBachelor of Science
Field of studyPlastics Engineering
Study levelBachelor's
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?
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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.
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Mold Maintenance & Support: Perform and manage mold preventative maintenance (PM), repair, and modification to maximize mold life and minimize downtime.
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Troubleshooting: Act as the technical lead in resolving production issues related to machinery, tooling, materials, and process deviations.
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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.
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Production Setup: Lead mold trials, machine setups, and commissioning of new molds/equipment.
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Documentation: Maintain meticulous process documentation, including Process Flow Diagrams, Mold Maintenance Logs, and Work Instructions.
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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:
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Deep understanding of scientific molding processes.
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Strong mold maintenance, tooling, and repair capabilities (e.g., hot runners, mold disassembly).