Innovative Injection Mold Design Engineer, Medical Devices

Flex; Buffalo Grove (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

Flex is seeking an Injection Mold Design Engineer for its Buffalo Grove, IL site. You will design tooling for molds, jigs, and fixtures and support product specifications through engineering and documentation.

The role emphasizes DFx evaluations, tool design optimization, and cross‑functional collaboration to ensure quality and efficiency in production. Prior experience in medical devices is a plus.

Qualifications

• 3+ years of experience in plastic injection molding, mold design and tool design/engineering.
• Ability to interpret layouts and drawings and perform capacity analyses.
• Experience in MS Office (Excel) and familiarity with medical device manufacturing is a plus.

Responsibilities

• Design and engineer moderately complex tooling protocols for molds, jigs, and fixtures per product specifications.
• Participate in design reviews and provide status updates on toolroom work.
• Perform DFx (Design for Manufacturability) evaluations and implement cost-effective design changes.
• Prepare ECOs and BOMs tied to engineering drawings and documentation.
• Collaborate with teams to qualify, sample, and approve final parts.
• Assist in developing layouts, drawings, and documentation for components and assemblies.

Skills

Injection molding

Mold design

Tool design

Drawings interpretation

Engineering analysis

MS Office

Medical devices experience

Tools

SolidWorks

Siemens NX

PRO/E

Job description

Flex is seeking an Injection Mold Design Engineer for its Buffalo Grove, IL site. You will design tooling for molds, jigs, and fixtures and support product specifications through engineering and documentation.

The role emphasizes DFx evaluations, tool design optimization, and cross‑functional collaboration to ensure quality and efficiency in production. Prior experience in medical devices is a plus.