Principal Plastics Injection Molding Engineer (Process Validation)

RANDSTAD PTE. LIMITEDSingaporemycareersfuturepublished 11/04/2026
Principal

Key Responsibilities

  • Take absolute ownership of hands-on injection-molding process setup,including molding-parameter optimization and process-window development for new and existing tooling.
  • Manage,audit,and drive continuous improvement initiatives with external injection molding suppliers.
  • Apply scientific molding principles to systematically set up,troubleshoot,and refine injection processes to achieve optimal part quality,cycle times,and waste reduction.
  • Design and optimize plastic components using Design for Manufacturability (DFM) principles to ensure scalable and efficient production.
  • Collaborate closely with external toolmakers to design,procure,and critically review injection molds.
  • Utilize mold flow simulation software (e.g.,Moldflow,SolidWorks Plastics) to optimize material flow,predict defects,and guide design and tooling decisions.
  • Design and optimize plastic components using Design for Manufacturability (DFM) principles to ensure scalable and efficient production.

Qualifications

  • Degree in Mechanical Engineering,Plastics Engineering
  • Minimum of 8 years of hands-on experience in the plastics industry, specifically focused on injection molding processes and tooling design
  • hands-on expertise in scientific molding,process-window development,press operation,and executing IQ/OQ/PQ and PPAP
  • Proven practical proficiency in directly operating,setting up,and troubleshooting injection molding presses on the floor.
  • Strong familiarity with CAD software and extensive experience interpreting mold flow simulation results
  • Willingness and ability to travel within the APAC region for supplier management and tooling trials (approximately 30% travel)

If you are interested in the position

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EA: 94C3609 / Reg: R1325913