Sr/NP/Process Engineer(Medical - Plastics Injection Molding)x4

Randstad Singapore; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Randstad Singapore is seeking an experienced Injection Molding Process Engineer to lead NPI molding development and ensure seamless transfer of validated processes into mass production. You will plan mold trials, optimize machine settings through scientific molding, perform DOEs, and drive IQ/OQ/PQ validations while coordinating setup sheets and manufacturing standards.

The role requires hands‑on expertise with thermoplastics and common machines such as Engel, Sumitomo and Nissei, plus strong

Qualifications

• 3–5 years of hands-on injection molding process engineering experience.
• Experience in setting up, optimizing, and maintaining molding machines.
• Strong knowledge of DOE, SPC, process validation, and root cause analysis.
• Familiarity with thermoplastic materials and common molding machines (Engel, Sumitomo, Nissei).

Responsibilities

• Lead injection molding process development for New Product Introduction (NPI) and mass production transfer.
• Plan and execute mold trials, optimize machine settings using scientific molding principles, and conduct DOEs.
• Drive IQ/OQ/PQ validations and prepare setup sheets, process instructions, and manufacturing standards.
• Troubleshoot faults, perform capability studies, and optimize processes to meet quality/productivity goals.
• Oversee lifecycles of molds including DFM reviews, engineering changes, and preventive maintenance.
• Provide technical leadership during equipment/tooling reviews, FAT and SAT.

Skills

DOE

SPC

Root cause analysis

Troubleshooting

Scientific molding

Education

Degree or Diploma in Engineering

Tools

Engel

Sumitomo

Nissei

Job description

Key Responsibilities

• Lead injection molding process development for New Product Introduction (NPI) and ensure the successful transfer of validated processes into mass production
• Plan and execute mold trials, establish optimal machine settings using scientific molding principles, and conduct Design of Experiments
• Drive comprehensive process validation activities (IQ, OQ, PQ) and prepare all necessary setup sheets, process instructions, and manufacturing standards
• Troubleshoot faults systematically, perform capability studies, and optimize processes to resolve tooling-related problems and achieve quality and productivity goals
• Oversee the complete lifecycle of molds, including Design for Manufacturability (DFM) reviews, engineering changes, and preventive maintenance programs
• Provide technical leadership during equipment and tooling reviews, including Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT)

Requirements

• Degree or Diploma in Engineering, Manufacturing, Polymer/Plastic Technology, Mechanical
• Minimum 3 to 5 years of hands‑on experience in injection molding process engineering, specifically in setting up, optimizing, and maintaining machines
• Strong technical expertise in scientific molding, DOE, SPC, process validation, and root cause analysis
• Sound knowledge of thermoplastic materials and familiarity with common injection molding machines (e.g., Engel, Sumitomo, Nissei)

We regret that only shortlisted candidates will be contacted.