Jobs Companies Smith+Nephew Plastics Injection Molding – Manufacturing Engineer II

About this Plastics Injection Molding – Manufacturing Engineer II role at Smith+Nephew

Smith+Nephew · Onsite · Mansfield, MA

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 (SolidWorks/AutoCAD).

  • Experience with medical regulatory requirements (GMP/ISO 13485).

Physical Demands: Ability to lift 35lbs

Travel Requirements:  <10%

The anticipated base compensation range for this position is $74,250 to $111,500 USD annually

The actual base pay offered to the successful candidate will be based on multiple factors, including but not limited to job-related knowledge/skills, experience, and geographic location. Compensation decisions are dependent upon the facts and circumstances of each position and candidate.

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.

You Unlimited.

We believe in creating the greatest good for society. Our strongest investments are in our people and the patients we serve.    

  • Inclusion and Belonging- Committed to Welcoming, Celebrating and Thriving on Inclusion and Belonging, Learn more about Employee Inclusion Groups on our website (https://www.smith-nephew.com/).

  • Your Future: 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!  

#LI-ONSITE

Smith+Nephew 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.

Stay connected by joining our Talent Community.

We're more than just a company - we're a community! Follow us on LinkedIn to see how we support and empower our employees and patients every day.  

Check us out on Glassdoor for a glimpse behind the scenes and a sneak peek into You. Unlimited., life, culture, and benefits at S+N.

Explore our website and learn more about our mission, our team, and the opportunities we offer. 

 

Ready to apply to Smith+Nephew?
Apply to Smith+Nephew

How this Manufacturing Engineer salary compares

This role pays $92,875/yrbelow the typical range for Manufacturing Engineer roles.

$81,129 median $125,750 $187,500

Typical range $98,950–$156,169/yr, from 1,279 comparable Manufacturing Engineer listings on JobsRadar (pay annualized to USD). See Manufacturing Engineer salary insights →

About Smith+Nephew

Smith+Nephew is a global medical technology company. We design and manufacture technology that takes the limits off living. We support healthcare professionals to return their patients to health and mobility, helping them to perform at their fullest potential. From our first employee and founder, T.J. Smith, to our team today, it’s our people who make Smith+Nephew a unique place. Yes, we love to innovate and develop exciting technologies, and we offer competitive salaries and progressive benefits. But it’s our culture - of Care, Collaboration and Courage - that really sets us apart. Through a spirit of ownership and can-do attitude we work together to win. We’re a company of people who care

See all jobs at Smith+Nephew →

Similar jobs

OpenAI
Manufacturing Quality Engineer – Datacenter Infrastructure
OpenAI
⚡ Apply early San Francisco Hybrid $207,000–$365,000
● New 👁 Seen ✓ Applied 6h ago
OpenAI
PCBA Manufacturing Engineer
OpenAI
⚡ Apply early Singapore Hybrid SGD 171,000–SGD 345,000
● New 👁 Seen ✓ Applied 6h ago
Harmattan AI
Production Quality Engineer Intern
Harmattan AI
⚡ Apply early Orly Onsite
● New 👁 Seen ✓ Applied 6h ago
Cfsenergy
Manufacturing Engineer - First Shift
Cfsenergy
⚡ Apply early Devens, MA Onsite
● New 👁 Seen ✓ Applied 7h ago
SpaceX
Manufacturing Engineer, PCBA (Starshield)
SpaceX
⚡ Apply early Hawthorne, CA Onsite $100,000–$130,000
● New 👁 Seen ✓ Applied 7h ago
IE
Senior Manufacturing Engineer
Industrial Electric Manufacturing
⚡ Apply early San Antonio, Texas, United Sta... Onsite
● New 👁 Seen ✓ Applied 7h ago
IE
Manufacturing Engineer
Industrial Electric Manufacturing
⚡ Apply early Tualatin, Oregon, United State... Onsite
● New 👁 Seen ✓ Applied 7h ago
IE
Manufacturing Engineer
Industrial Electric Manufacturing
⚡ Apply early Surrey, British Columbia, Cana... Onsite CA$80,995–CA$96,990
● New 👁 Seen ✓ Applied 7h ago
CoreWeave Europe
Senior Production Engineer
CoreWeave Europe
⚡ Apply early Warsaw, Poland Onsite
● New 👁 Seen ✓ Applied 7h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at Smith+Nephew

See all jobs at Smith+Nephew →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free