Molding Process Engineer

Flintex Consulting; Johor Bahru; On-site; MYR 120,000 - 180,000; Full time

Job summary

Flintex Consulting is seeking an experienced Injection Molding specialist in Johor Bahru, Malaysia. The role focuses on operating injection molding machines, optimizing process parameters, and leading mold testing and trials to ensure high-quality molded parts.

You will coordinate with vendors and production teams, perform DOE studies, and advise on moldability, tool steel grades, and resin selection to reduce maintenance and guarantee shots.

Qualifications

• Diploma or degree in engineering or manufacturing.
• At least 8 years of hands-on work experience in injection molding.
• Understand mold construction and plastic parts drawings with critical GD&T callouts
• Proficient in molding simulation software such as Moldflow, Moldex3D

Responsibilities

• Operate injection molding machines and auxiliary equipment.
• Apply optimal injection parameters for dimensional stability and defect-free parts.
• Lead mold testing and qualification during trials.
• Coordinate mold development with vendors, planners and production.
• Conduct DOE to study parameter effects with data-driven analysis.
• Resolve injection-related issues; provide moldability advice.
• Understand tool steel grades and resin selection for mold guarantees.

Skills

Injection molding

Mold testing

DOE

GD&T

Moldflow

Moldex3D

Vendor coordination

Education

Diploma or degree in engineering or manufacturing

Tools

Moldflow

Moldex3D

Job description

Johor Bahru, Malaysia | Posted on 07/13/2026

• Hands-on in operating injection molding machine and other auxiliary equipment such as automation handling system, mold temperature controller, chiller, mixer etc.
• Application of optimal injection parameters leading to part molded condition achieving dimensional stability and free from common molding defects.
• Able to carry out mold testing independently. Well-prepared and lead during mold trials by ensuring molds are qualified per requirements.
• Establish guidelines in mold testing procedures and safety.
• Close follow-up on mold development stages, from design, fabrication, assembly, mold trials and testing. These include coordination with vendors, planners and production to ensure activities are seamless and smooth handover to production.
• Conduct DOE on different injection parameters, how these parameters affect molded part with data to support the overall analysis study.
• Be the go-to-expert in resolving issues related to injection. Participate in DFM to provide valuable advice on part moldability.
• Experience in tool steel grade and resin selection to ensure achieving mold guarantee shots and reduced maintenance.

Requirements

• Diploma or degree in engineering or manufacturing
• At least 8 years of hands-on work experience in injection molding
• Understand mold construction and plastic parts drawings with critical GD&T callouts
• Proficient in molding simulation software such as Moldflow, Moldex3D etc.