NPI Process Engineer (Molding)

Flint Hills Resources; Región Sur; On-site; MXN 700,000 - 1,000,000; Full time

Job summary

Molex, a Koch company, is seeking an NPI Molding Process Engineer to drive the development, validation, and optimization of injection molding processes for new products. You will lead mold qualification and work across teams to ensure production readiness and process stability.

The role emphasizes scientific molding, DOE/SPC/FTA analyses, and collaboration with tooling suppliers to deliver high-quality, efficient manufacturing. On-site roles require up to 25% travel.

Qualifications

• Bachelor's degree in Mechanical, Manufacturing, Industrial, Tooling Engineering or related field.
• At least 5 years in injection molding process engineering.
• Experience developing, validating and optimizing molding processes.
• Experience with scientific molding methodologies.
• Familiarity with DOE, SPC, PFMEA, MSA and root cause analysis.

Responsibilities

• Develop, validate, and optimize injection molding processes to support launches and manufacturing excellence.
• Lead mold qualification activities and establish robust process parameters.
• Support NPI initiatives from development through production.
• Provide technical troubleshooting and root cause analysis for molding issues.
• Collaborate with tooling suppliers to support process development and production readiness.
• Support process transfers between facilities and manufacturing standards.
• Evaluate and implement molding technologies and best practices.
• Develop and maintain process documentation for quality and manufacturing requirements.
• Apply scientific molding and data-driven decisions to improve product quality and process performance.
• Support training and provide technical guidance to manufacturing teams.

Skills

DOE

SPC

PFMEA

MSA

Root Cause Analysis

Project Management

Communication

Travel 25%

Education

Bachelors in Engineering

Tools

Moldflow

Kistler

RJG

Job description

As an NPI Molding Process Engineer, you will be responsible for developing, validating, and optimizing injection molding processes to ensure product quality, manufacturing efficiency, and operational excellence. You will provide technical leadership for new product introductions, process improvements, troubleshooting activities, and implementation of scientific molding methodologies across manufacturing operations.

Our Team

You will be part of the NPI organization, partnering with manufacturing, tooling, suppliers, and cross-functional engineering teams to successfully launch new products and improve molding processes. This role plays a critical part in ensuring process stability, production readiness, and continuous improvement throughout the product lifecycle.

What You Will Do

• Develop, validate, and optimize injection molding processes to support product launches and manufacturing excellence.
• Lead mold qualification activities and establish robust molding process parameters.
• Support new product introduction (NPI) initiatives from development through production implementation.
• Provide technical troubleshooting and root cause analysis for molding process issues.
• Collaborate with suppliers to support tooling, process development, and production readiness activities.
• Support process transfers between facilities and ensure successful implementation of manufacturing standards.
• Evaluate and implement molding technologies, process improvements, and best practices.
• Develop and maintain process documentation to ensure compliance with quality and manufacturing requirements.
• Apply scientific molding techniques and data-driven decision making to improve product quality and process performance.
• Support training activities and provide technical guidance to manufacturing teams.

Who You Are (Basic Qualifications)

• Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, Tooling Engineering, or a related technical field.
• Five or more years of experience in injection molding process engineering.
• Experience developing, validating, and optimizing injection molding processes.
• Experience with scientific molding methodologies.
• Knowledge of Design of Experiments (DOE), Statistical Process Control (SPC), PFMEA, MSA, and Root Cause Analysis.
• Experience with injection molding machine setup and process optimization.
• Knowledge of polymer processing and material behavior.
• Ability to interpret Moldflow analysis results.
• Ability to read and interpret GD&T and engineering drawings.
• Experience performing statistical analysis and process capability studies.
• Strong project management and communication skills.
• Ability to travel up to 25% in support of process transfers, supplier support, and training activities.

What Will Put You Ahead

• Ten or more years of experience in injection molding process engineering.
• Specialized training in Injection Molding, Scientific Molding, or Polymer Engineering.
• RJG Master Molder I or Master Molder II certification.
• Experience with cavity pressure monitoring systems such as Kistler and RJG.
• Experience implementing Lean Manufacturing and Continuous Improvement initiatives.
• Advanced expertise supporting global NPI and manufacturing operations.
• Experience collaborating directly with tooling suppliers and external manufacturing partners.

Who We Are

As a Koch company, Molex is a globally recognized provider of electronic solutions, enabling innovation in industries ranging from automotive to healthcare. We design and manufacture critical connectivity solutions that improve lives.

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.