Injection Molding Engineer

SMC MANUFACTURING (SINGAPORE) PTE LTD; Singapore; On-site; SGD 42,000 - 64,000; Full time

Job summary

SMC Manufacturing (Singapore) PTE LTD is seeking skilled personnel to supervise plastic injection molding operations, ensure schedules meet customer requirements, and optimize machine performance.

You will work with QA and Engineering to drive continuous improvements, enforce process controls, and lead a team of operators and technicians in a fast-paced manufacturing environment.

Qualifications

• Strong knowledge of plastic injection molding processes and defect analysis.
• Ability to read engineering drawings and process sheets.
• Familiarity with materials: PBT, POM, PP, PA, PPS.

Responsibilities

• Supervise daily operations of plastic injection molding machines and supporting equipment.
• Ensure production schedules are met according to planning and customer requirements.
• Monitor machine performance, cycle time, and output efficiency.
• Coordinate mold changeover, machine setup, and parameter adjustment during production runs.
• Ensure correct use of raw materials, colorants, and regrind according to approved standards.
• Ensure all molded parts meet dimensional, visual, and functional quality requirements.
• Enforce adherence to process parameters, work instructions, and inspection plans.
• Participate in root cause analysis and corrective actions for defects.
• Collaborate with QA and Engineering on continuous improvement initiatives.
• Support implementation of SPC, poka‑yoke, and lean manufacturing practices.
• Coordinate with maintenance and tooling teams on machine downtime and mold repairs.
• Coordinate with suppliers on machine repairs.
• Ensure machine maintenance is carried out according to schedule.
• Supervise, train, and motivate operators, technicians, and material handlers.
• Allocate manpower effectively for shift operations and production priorities.
• Conduct daily briefings, shift handovers, and on‑the‑job training.
• Monitor operator discipline, attendance, and adherence to safety rules.
• Support performance evaluations and skill development planning.
• Enforce workplace safety rules and safe machine operation procedures.
• Ensure compliance with ISO standards and regulatory requirements.
• Promote 5S, housekeeping, and proper use of PPE.
• Participate in safety audits and incident investigations.
• Maintain accurate production records, downtime reports, scrap records, and output data.
• Prepare weekly and monthly production reports.
• Update process documentation, SOPs, and work instructions as required.
• Support internal and external audits.

Skills

Injection molding

Process optimization

Quality analysis

Cycle time improvement

Reading drawings

Education

Diploma in Precision Engineering / Mold Design / Mechanical Engineering

Job description

Key Responsibilities

• 
  

  1. Production & Operation Control

  
  
  
  
  • Supervise daily operations of plastic injection molding machines and supporting equipment.
  
  
  • Ensure production schedules are met according to planning and customer requirements.
  
  
  • Monitor machine performance, cycle time, and output efficiency.
  
  
  • Coordinate mold changeover, machine setup, and parameter adjustment during production runs.
  
  
  • Ensure correct use of raw materials, colorants, and regrind according to approved standards.
  
  
  
  


• 
  

  2. Quality Control & Process Improvement

  
  
  
  
  • Ensure all molded parts meet dimensional, visual, and functional quality requirements.
  
  
  • Enforce adherence to process parameters, work instructions, and inspection plans.
  
  
  • Participate in root cause analysis and corrective actions for defects such as short shots, flash, warpage, burn marks, and sink marks.
  
  
  • Collaborate with QA and Engineering teams on continuous improvement initiatives.
  
  
  • Support implementation of SPC, poka‑yoke, and lean manufacturing practices.
  
  
  
  


• 
  

  3. Machine and Mold Repair & Maintenance

  
  
  
  
  • Coordinate with maintenance and tooling teams on machine downtime and mold repairs.
  
  
  • Coordinate with suppliers on machine repairs.
  
  
  • Ensure machine maintenance is carried out according to schedule.
  
  
  
  


• 
  

  4. Workforce Supervision

  
  
  
  
  • Supervise, train, and motivate operators, technicians, and material handlers.
  
  
  • Allocate manpower effectively for shift operations and production priorities.
  
  
  • Conduct daily briefings, shift handovers, and on‑the‑job training.
  
  
  • Monitor operator discipline, attendance, and adherence to safety rules.
  
  
  • Support performance evaluations and skill development planning.
  
  
  
  


• 
  

  5. Safety, Health & Compliance

  
  
  
  
  • Enforce workplace safety rules and safe machine operation procedures.
  
  
  • Ensure compliance with company policies, ISO standards, and regulatory requirements.
  
  
  • Promote 5S, housekeeping, and proper use of PPE at all times.
  
  
  • Participate in safety audits and incident investigations.
  
  
  
  


• 
  

  6. Documentation & Reporting

  
  
  
  
  • Maintain accurate production records, downtime reports, scrap records, and output data.
  
  
  • Prepare weekly and monthly production reports.
  
  
  • Update process documentation, SOPs, and work instructions as required.
  
  
  • Support internal and external audits.
  
  
  
  

Job Requirements

• 
  

  1.Education

  
  
  
  
  • Minimum Diploma in Precision Engineering, Mold Design Engineering, Mechanical Engineering, or a related discipline
  
  
  
  


• 
  

  2.Experience

  
  
  
  
  • 1-3 years of experience in plastic injection molding manufacturing will be advantageous. Fresh Graduates are welcome to apply
  
  
  • Prior experience supervising operators or leading a production shift is preferred.
  
  
  • Experience with precision plastic components for industrial or pneumatic products is an advantage.
  
  
  
  


• 
  

  3.Technical Skills & Knowledge

  
  
  
  
  • Strong knowledge of plastic injection molding processes and defect analysis
  
  
  • Familiarity with thermoplastic materials (e.g. PBT, POM, PP, PA, PPS)
  
  
  • Basic understanding of mold design, mold construction, and maintenance principles
  
  
  • Ability to read engineering drawings and process sheets
  
  
  • Knowledge of process optimization and cycle time improvement