Polisher

Plassein Industry Sdn Bhd; Johor Bahru; On-site; MYR 20,000 - 31,000; Full time

Job summary

Plassein Industry Sdn Bhd in Johor is seeking a skilled polishing technician to join the Tool Room. You will perform polishing, lapping, and mirror-finishing of mould cavities and components, ensuring surfaces meet customer specs and SPI standards.

You will use polishing equipment, hand tools, diamond compounds, and measuring instruments, while maintaining 5S housekeeping and supporting improvement initiatives.

Qualifications

• Secondary School Certificate or equivalent required.
• Minimum 2 years of experience in mould polishing or related tool room operations.
• Experience polishing high-gloss or precision moulds is an advantage.
• Knowledge of SPI surface finish standards and mould maintenance.
• Ability to read basic engineering drawings and interpret surface finish specs.
• Good manual dexterity, eye for detail, and visual inspection skills.
• Able to work independently or in a team; willing to work overtime or shifts.

Responsibilities

• Polish, stone, buff, lap and mirror-finish mould cavities and components.
• Achieve required surface finish per specs, SPI standards and quality requirements.
• Remove surface imperfections to restore mould quality.
• Prepare surfaces for texturing, coating, laser engraving, or plating.
• Inspect surfaces with measuring instruments and visuals.
• Assist in mould repair, refurbishment, and preventive maintenance.
• Maintain tools, abrasives, and consumables in good condition.
• Follow approved polishing methods, instructions, standards and safety.
• Keep 5S housekeeping in the Tool Room.
• Support continuous improvement to enhance quality and efficiency.
• Perform other duties as assigned by supervisor or management.

Skills

Mould polishing techniques

Reading engineering drawings

Manual dexterity

Teamwork / independence

Education

Secondary School Certificate / Technical Certificate / Vocational Certificate

Tools

Polishing equipment

Hand tools

Abrasive stones

Diamond compounds

Buffing wheels

Measuring instruments

Job description

Responsibilities

• Perform polishing, stoning, buffing, lapping, diamond polishing, and mirror-finishing of mould cavities, cores, inserts, sliders, lifters, and other mould components.
• Achieve the required mould surface finish in accordance with customer specifications, engineering drawings, SPI (Society of the Plastics Industry) standards, and internal quality requirements.
• Remove machining marks, scratches, corrosion, weld marks, and other surface imperfections to restore mould quality.
• Prepare mould surfaces for texturing, coating, laser engraving, plating, or other secondary finishing processes where required.
• Inspect mould surfaces using appropriate measuring instruments and visual inspection techniques to ensure compliance with finishing specifications.
• Assist in mould repair, refurbishment, modification, and preventive maintenance activities.
• Maintain polishing tools, equipment, abrasives, and consumables in good working condition and report any defects or shortages.
• Follow approved polishing methods, work instructions, quality standards, and safety procedures at all times.
• Maintain proper housekeeping (5S) within the Tool Room and ensure work areas are clean, organised, and safe.
• Support continuous improvement initiatives to improve polishing quality, efficiency, and mould performance.
• Perform any other duties assigned by the Tool Room Supervisor or Management.

Qualification / Knowledge / Skill Requirements

• Secondary School Certificate, Technical Certificate, Vocational Certificate, or equivalent qualification.
• Minimum 2 years of experience in mould polishing, tool room operations, precision tooling, or plastic injection moulding is preferred.
• Experience in polishing high-gloss, cosmetic, optical, or precision moulds will be an added advantage.
• Knowledge of mould structures, polishing techniques, SPI surface finish standards, and mould maintenance practices.
• Skilled in using polishing equipment, hand tools, abrasive stones, diamond compounds, buffing wheels, and measuring instruments.
• Able to read basic engineering drawings and understand surface finish specifications.
• Good manual dexterity, attention to detail, and strong visual inspection skills.
• Able to work independently and as part of a team with minimal supervision.
• Willing to work overtime or shift schedules when required to support production.

Authority

• Stop work and immediately report any mould condition that may result in quality defects, equipment damage, or safety risks.
• Reject mould surfaces that do not comply with approved surface finish specifications or quality standards.
• Recommend mould repair, refurbishment, or corrective actions to the Tool Room Supervisor.
• Request replacement of worn polishing tools, abrasives, consumables, or defective equipment necessary to perform work effectively.
• Escalate mould abnormalities, excessive wear, damage, or quality concerns to the Tool Room Supervisor for further evaluation.
• Participate in preventive maintenance planning and continuous improvement activities related to mould finishing and polishing processes.

Working Conditions

• Work primarily in the Tool Room and manufacturing environment.
• Frequent use of polishing machines, hand tools, abrasive materials, precision measuring instruments, and inspection equipment.
• Exposure to machine noise, dust, lubricants, polishing compounds, cleaning chemicals, and metal particles.
• Requires prolonged standing, repetitive hand movements, fine motor skills, and close visual inspection.
• May be required to work overtime, weekends, public holidays, or rotating shifts to support production and urgent tooling requirements.
• Mandatory use of Personal Protective Equipment (PPE), including safety glasses, gloves, safety shoes, hearing protection, and other PPE as required.

Key Performance Indicators (KPIs)

• On-time completion of mould polishing and maintenance activities.
• Mould surface finish acceptance rate (First Pass Yield).
• Number of mould-related cosmetic defects attributable to polishing quality.
• Rework rate due to polishing defects.
• Compliance with preventive maintenance schedules.
• Tool Room 5S and housekeeping audit score.
• Safety compliance and zero lost-time incidents.
• Reduction in mould downtime attributable to polishing-related issues.
• Compliance with internal quality, customer, and ISO audit requirements.
• Productivity achieved against planned polishing schedules.
• Proper care and utilisation of polishing tools and equipment.
• Continuous improvement participation and implementation of process improvement initiatives.

Job Location

Johor

Other Location

Years of Experience

0

Age Range of Candidate

-

Monthly Salary

-

Requirements

• Secondary School Certificate, Technical Certificate, Vocational Certificate, or equivalent qualification.
• Minimum 2 years of experience in mould polishing, tool room operations, precision tooling, or plastic injection moulding is preferred.
• Experience in polishing high-gloss, cosmetic, optical, or precision moulds will be an added advantage.
• Knowledge of mould structures, polishing techniques, SPI surface finish standards, and mould maintenance practices.
• Skilled in using polishing equipment, hand tools, abrasive stones, diamond compounds, buffing wheels, and measuring instruments.
• Able to read basic engineering drawings and understand surface finish specifications.
• Good manual dexterity, attention to detail, and strong visual inspection skills.
• Able to work independently and as part of a team with minimal supervision.
• Willing to work overtime or shift schedules when required to support production.