Principal Mechanical Plastics Engineer(Tooling&Injection Mold)

Randstad Singapore; Singapore; On-site; SGD 110,000 - 190,000; Full time

Job summary

Randstad Singapore is seeking a seasoned Injection Molding Engineer to design and optimize plastic components, set up and refine molding processes, and lead continuous improvement with external suppliers. You will use mold flow simulation tools, read GD&T drawings, and travel up to 30% across the APAC region.

The role requires a degree in Mechanical/Plastics Engineering and 8+ years hands-on experience in injection molding, with proficiency in CAD and mold-flow software.

Qualifications

• Degree in Mechanical or Plastics Engineering.
• 8+ years hands-on experience in injection molding.
• Proficiency in operating and troubleshooting injection molding presses.
• Familiarity with CAD tools and mold flow simulation.

Responsibilities

• Design and optimize plastic components using DFM principles for efficient production.
• Collaborate with toolmakers to design, procure, and review injection molds.
• Set up, troubleshoot, and refine injection molding processes and parameters for quality.
• Use mold flow simulation tools to optimize material flow and guide design decisions.
• Manage and audit external injection molding suppliers for continuous improvement.
• Evaluate plastics resins based on specs and cost constraints.
• Implement quality control plans and identify waste reduction opportunities.

Skills

Injection molding

Mold flow simulation

GD&T knowledge

Reading technical drawings

Education

Degree in Mechanical / Plastics Engineering

Tools

Moldflow

SolidWorks Plastics

CAD software

Job description

Key Responsibilities

• Design and optimize plastic components using Design for Manufacturability (DFM) principles to ensure efficient production
• Collaborate with toolmakers to design, procure, and review injection molds
• Set up, troubleshoot, and refine injection molding processes and parameters for optimal part quality
• Utilize mold flow simulation software, such as Moldflow or SolidWorks Plastics, to optimize material flow and guide design decisions
• Manage, audit, and drive continuous improvement with external injection molding suppliers
• Evaluate and recommend plastic resins based on product specifications and cost constraints
• Implement quality control plans and identify opportunities for waste reduction and process optimization

Qualifications

• Degree in Mechanical / Plastics Engineering
• Min 8 years of hands-on experience in the plastics industry, specifically with injection molding processes design
• Proven proficiency in operating and troubleshooting injection molding presses
• Familiarity with CAD software and strong experience using mold flow simulation tools
• Ability to read and interpret technical drawings and specifications (GD&T knowledge preferred)
• Expertise in injection mold design, construction, and rapid prototyping methodologies
• Able to travel APAC region for work related purpose ( 30% )