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Injection Molding Engineer

Meet Life Sciences · Acton, MA,1w ago

BS-level Process Engineering roles on Crosslinked list a median of $116k (770 that show pay). This posting does not list pay.

Serve as plastics SME leading injection molding tooling and molding cell development with global suppliers for medical devices.

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Worth knowing

Why it is interesting. Covers advanced molding tech like cube molds, two-shot, stack molds and silicone for high-volume medical devices

Might not be for you. Supplier-facing role with 15-25% travel, up to 40%, and 8+ years required

Deep specialist Senior hires only

Core polymer role:Plastics SME for injection molding tooling and part design; Moldflow, DFM, scientific injection molding, silicone molding, medical polymers

Seniority
Senior
Work
Hybrid
Type
Contract
Degree
BS
Experience
8+ yrs
Industry
Medical devices
Role
Process Engineering

Role details

🚨 Now Hiring: Senior Staff Plastics Supplier Development Engineer

I’m currently looking for a highly experienced

Plastics / Injection Molding Engineer

supporting a leading medical device organization.

This is a great opportunity for someone who enjoys working at the intersection of engineering, suppliers, tooling, and advanced injection molding technology and wants to make a direct impact on high-volume medical manufacturing.

🔧

What You’ll Be Doing

  • Serve as a

Plastics SME

for injection molding tooling and part design

  • Lead tooling and molding cell development with global suppliers
  • Support

new product introductions, DFM, tooling kickoffs, and process improvements

  • Review plastic and silicone part designs and identify opportunities to improve manufacturability
  • Utilize

Moldflow, DFM, risk assessment, and root-cause analysis

techniques

  • Develop and standardize tooling specifications, FAT processes, and best practices
  • Lead technical solutions involving

molding equipment, automation, hot runners, vision systems, and tooling

  • Partner closely with Quality, Sourcing, Lifecycle Engineering, and supplier teams
  • Drive cost savings, process optimization, and reduction of component variation
  • Help introduce and expand advanced molding technologies across the supplier network

🧪

What We’re Looking For

  • Bachelor’s degree in

Plastics, Mechanical, Manufacturing Engineering, or a related field

  • 8+ years of experience

in plastics injection molding, tooling, and/or part design

  • Strong experience with

injection molding technologies and tooling

  • Experience with

silicone manufacturing/molding

strongly preferred

  • Knowledge of

Scientific Injection Molding

  • Experience with

Moldflow, DFM, RCA, and risk assessment

  • Experience working directly with suppliers and cross-functional engineering teams
  • Strong communication, leadership, and influencing skills
  • Experience with medical polymers or medical device manufacturing is a major plus

⭐

Preferred Technical Experience

  • Cube molds, two-shot, and stack molding
  • Silicone processing and tooling
  • Cavity pressure sensors
  • Complete molding cells, including automation and vision inspection
  • Six Sigma / process improvement
  • Tooling and supplier development programs

✈️

Travel

Approximately

15–25%

, with up to 40% possible depending on business needs.

If you're a senior plastics/injection molding engineer who enjoys solving complex technical challenges and working directly with suppliers, I'd love to connect.

📩 DM me or reach out directly for more details!

#PlasticsEngineering #InjectionMolding #SupplierDevelopment #MedicalDevices #ManufacturingEngineering #Tooling #InjectionMoldingEngineer #EngineeringJobs #LifeSciences #MedicalDeviceJobs #ContractJobs

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Common questions

Where is the Injection Molding Engineer role at Meet Life Sciences based?

This role is based in Acton, MA. Work arrangement: Hybrid.

What degree is required for the Injection Molding Engineer role at Meet Life Sciences?

This role asks for a bachelor's degree.

How many years of experience does this Injection Molding Engineer role require?

The posting calls for at least 8 years of relevant experience.

What polymers or materials does this Injection Molding Engineer role work with?

plastics, silicone.

What techniques or methods are required for this Injection Molding Engineer role?

scientific injection molding, root-cause analysis, risk assessment.