Senior MedTech Plastics Engineer – Design, Molding & NPI

Knowles Corporation; Itasca (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

Knowles Corporation is seeking a Senior Mechanical Engineer – MedTech Plastics to lead design, development, and commercialization of medical device components and assemblies. The role focuses on plastic design, injection molding, and manufacturing integration, driving DFV/DFM and cost optimization from concept to production.

You will collaborate with quality, manufacturing, sales, and applications teams to ensure performance, reliability, manufacturability, and regulatory compliance within a

Qualifications

• Bachelor's degree in Mechanical Engineering or related engineering discipline.
• 7+ years of experience in mechanical engineering, product development, or manufacturing engineering.
• Experience leading products from concept through production release.
• Strong knowledge of mechanical design principles, materials, manufacturing processes, and product development methodologies.
• Experience with plastic component design and injection molding processes.
• Proficiency in CAD tools such as Creo, SolidWorks, or equivalent.
• Strong working knowledge of GD&T and tolerance analysis.
• Excellent problem-solving, communication, and project management skills.

Responsibilities

• Lead the design and development of medical device components and assemblies from concept through commercialization.
• Apply mechanical engineering principles to solve complex product design, reliability, and manufacturing challenges.
• Drive Design for Manufacturability (DFM), Design for Assembly (DFA), and cost optimization initiatives.
• Provide expertise in plastic part design, material selection, injection molding, and tooling development.
• Support prototype, verification, validation, and New Product Introduction (NPI) activities.
• Partner with suppliers and manufacturing teams to optimize processes, quality, and production readiness.
• Conduct engineering analyses including tolerance stack-ups, GD&T, risk assessments, and root cause investigations.
• Support design controls, process validations, and regulatory requirements within a medical device environment.
• Collaborate directly with customers on technical reviews, product development, and problem-solving initiatives.

Job description

Knowles Corporation is seeking a Senior Mechanical Engineer – MedTech Plastics to lead design, development, and commercialization of medical device components and assemblies. The role focuses on plastic design, injection molding, and manufacturing integration, driving DFV/DFM and cost optimization from concept to production.

You will collaborate with quality, manufacturing, sales, and applications teams to ensure performance, reliability, manufacturability, and regulatory compliance within a