Plastics Injection Molding - Manufacturing Engineer II

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** 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 (SolidWorks/AutoCAD). Experience with medical regulatory requirements (GMP/ISO 13485). Physical Demands: Ability to lift 35 lbs Travel Requirements: The anticipated base compensation range for this position is $74,250 to $111,500 USD annually. In addition to base pay, we offer competitive bonus and benefits, including medical, dental, and vision coverage, 401(k), tuition reimbursement, medical leave programs, parental leave, generous PTO, paid company holidays, 8 hours of volunteer time annually, and a variety of wellness offerings such as EAP. Benefits Inclusion and Belonging: Committed to welcoming, celebrating and thriving on inclusion and belonging. 401k Matching Program, 401k Plus Program, Discounted Stock Options, Tuition Reimbursement. Work/Life Balance: Flexible Personal/Vacation Time Off, Paid Holidays, Flex Holidays, Paid Community Service Day. Your Wellbeing: Medical, Dental, Vision, Health Savings Account (Employer Contribution of $500+ annually), Employee Assistance Program, Parental Leave, Fertility and Adoption Assistance Program. Training: Hands‑On, Team-Customized, Mentorship. Extra Perks: Discounts on fitness clubs, travel and more. Smith+Naphew provides equal employment opportunities to applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability. #J-18808-Ljbffr Smith & Nephew