Senior Injection Molding Specialist — Process Optimizer

JAI HEE POLYMER SDN BHD; Kuala Lumpur; On-site; MYR 60,000 - 110,000; Full time

Job summary

Jai Hee Polymer Sdn. Bhd. is seeking a Senior Injection Moulding Technician to set and optimize molding process parameters and ensure product quality in a manufacturing setting.

You will monitor production performance, identify defects, and perform efficient mould changeovers while maintaining traceability of settings and data. The role involves supporting continuous improvement and collaborating with Production and Quality teams.

Qualifications

• Certificate, Diploma or equivalent qualification in Mechanical Engineering, Manufacturing Engineering, Mechatronics, Polymer Engineering or related field.
• Minimum 5 years of working experience in Plastic Injection Molding operations.
• Knowledge in robotic systems is an advantage.
• Ability to read work instructions and follow standard operating procedures.
• Good problem-solving, communication and teamwork skills.

Responsibilities

• Set and optimize molding process parameters (temperature, pressure, injection speed, holding pressure, cooling time) per product specs.
• Monitor production performance and product quality; identify and resolve molding defects (flash, short shots, warpage, sink marks).
• Perform mould changeovers efficiently with minimal downtime.
• Record and maintain production data, machine settings, and process parameters for traceability.
• Support process improvement initiatives to reduce scrap and improve quality.
• Coordinate with Production and Quality departments to resolve technical issues and achieve targets.
• Ensure compliance with safety regulations, work instructions, and quality management system.

Skills

Problem solving

Communication

Teamwork

Education

Diploma/Certificate in Mechanical/Manufacturing / Mechatronics / Polymer Eng

Tools

Robotics knowledge

Job description

Jai Hee Polymer Sdn. Bhd. is seeking a Senior Injection Moulding Technician to set and optimize molding process parameters and ensure product quality in a manufacturing setting.

You will monitor production performance, identify defects, and perform efficient mould changeovers while maintaining traceability of settings and data. The role involves supporting continuous improvement and collaborating with Production and Quality teams.