Job Summary
We are seeking an experienced Toolmaker to support our blow molding and injection molding operations. This role is responsible for mold repair, preventive maintenance, troubleshooting, and mold enhancements, specifically modifying existing molds to support different sizes or variants of the same model using interchangeable inserts only (cores, cavities, sleeves, neck rings, etc.).
The ideal candidate has strong hands-on tooling skills, a solid understanding of plastic molding processes, and the ability to improve mold performance without changing the main mold base.
Key Responsibilities
Mold Repair & Preventive Maintenance
Perform repair, servicing, and preventive maintenance of blow molding and injection molding molds
Identify and resolve mold-related issues such as flash, sticking parts, deformation, short shots, uneven wall thickness, or poor surface finish
Inspect molds for wear, corrosion, cracks, misalignment, and cooling inefficiency
Replace or refurbish worn components such as cores, cavities, pins, bushings, and inserts
Mold Modification & Enhancement (Insert-Based)
Modify existing molds to accommodate different product sizes or designs using inserts only
Design, machine, fit, and fine-tune:
- Core inserts
- Cavity inserts
- Neck ring inserts (for blow molds)
- Sleeve or bottom inserts
Ensure proper alignment, sealing, venting, and cooling of inserts
Improve mold performance, consistency, and cycle time through insert optimization
Machining & Toolroom Work
Operate conventional and/or CNC machines (lathe, milling, grinding, EDM if applicable)
Perform precision fitting, polishing, welding, and assembly of mold components
Manufacture spare inserts and replacement mold parts as required
Production & Technical Support
Support production during mold setup, trial runs, and troubleshooting
Work closely with process technicians to fine-tune molds and resolve tooling-related defects
Assist with new mold trials, insert changeovers, and first-article approvals
Maintain documentation for mold maintenance, insert changes, and modifications
Safety & Housekeeping
Follow all safety procedures when handling molds and operating machines
Maintain cleanliness, organization, and proper storage of inserts and tooling
Ensure tools and measuring instruments are in good working condition
Requirements & Qualifications
Technical Skills
Strong experience with blow molding and/or injection molding molds
Solid understanding of insert-based mold design and tolerance control
Ability to read and interpret mold drawings and technical specifications
Skilled in precision machining, fitting, and polishing
Experience modifying molds without changing the mold base
Experience & Education
Minimum 3-5 years experience as a Toolmaker in plastic molding
Technical certificate, diploma, or equivalent practical experience in tooling or machining
Personal Attributes
Strong problem-solving and root-cause analysis skills
Able to work independently with minimal supervision
Detail-oriented with a strong quality mindset
Good teamwork and communication skills
Willing to support urgent mold breakdowns when required
Added Advantage
Experience with HDPE, LDPE, PP materials
Familiarity with bottle, container, cap, or preform molds
Knowledge of cycle-time and material optimization through insert design
Job Type: Full-time
Pay: RM3,000.00 - RM6,000.00 per month
Work Location: In person
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