Injection Molding Engineer

Meet Life Sciences; Acton (MA); On-site; USD 120,000 - 170,000; Full time

Job summary

Meet Life Sciences Ltd. is seeking an experienced Plastics / Injection Molding Engineer to support a medical device organization. This role sits at the intersection of engineering, suppliers, tooling, and advanced molding technology to impact high-volume medical manufacturing.

You will lead tooling development, drive DFM and process improvements, and collaborate with cross-functional teams to optimize manufacturability and cost. Strong leadership and communication are required.

Qualifications

• 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 preferred.
• Knowledge of Scientific Injection Molding.
• Experience with Moldflow, DFM, RCA, and risk assessment.

Responsibilities

• Serve as 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.

Skills

8+ years experience

Moldflow

Leadership

Risk assessment

Education

Bachelors in Plastics/Mech Eng

Tools

Moldflow

Vision systems

Job description

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
• 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:

Travel: Approximately 15-25%, with up to 40% possible depending on business needs.