Precision Plastics Engineer - Injection Molding & NPI Lead

Pexco Custom Plastics; Cincinnati (OH); On-site; USD 85,000 - 110,000; Full time

Job summary

Pexco Custom Plastics is seeking a Plastics Engineer to lead development, optimization, and validation of precision injection molding processes for medical, aerospace, defense, and industrial applications.

You will combine scientific molding, mold design, Moldflow simulation, metrology, automation, and NPI to ensure world-class quality and dimensional performance. Must have 3+ years in injection molding and hold a relevant engineering degree.

Qualifications

• Bachelor's degree in Plastics, Mechanical, Manufacturing, or related field.
• 3+ years of injection molding and mold design.
• Strong understanding of scientific molding and process optimization.

Responsibilities

• Develop and optimize precision injection molding processes for tight tolerances.
• Lead IQ/OQ/PQ validations, DOE studies, and process window development.
• Troubleshoot molding defects and implement corrective actions using data-driven methods.
• Support NPI from concept through production launch.
• Perform mold design reviews and provide DFM recommendations.
• Utilize Moldflow for fill, pack, cooling, shrinkage, and warp analyses.
• Use CMMs, optical inspection, and industrial CT for metrology validation.
• Establish SPC, MSA, gage R&R, and Cp/Cpk analyses.
• Collaborate with tooling, automation, quality, production, and customers.

Skills

Analytical thinking

Problem solving

Attention to detail

Team collaboration

Education

Bachelor's degree in Plastics Eng

Tools

Moldflow

CMMs

Optical inspection systems

Industrial CT scanners

Job description

Pexco Custom Plastics is seeking a Plastics Engineer to lead development, optimization, and validation of precision injection molding processes for medical, aerospace, defense, and industrial applications.

You will combine scientific molding, mold design, Moldflow simulation, metrology, automation, and NPI to ensure world-class quality and dimensional performance. Must have 3+ years in injection molding and hold a relevant engineering degree.