Mold Maintenance and CNC Technician – Plastic Injection Molding | Saudi Arabia

Rawaj - Human Capital Management; Riyadh; On-site; SAR 80,000 - 100,000; Full time

Job summary

A leading manufacturing company in Riyadh, Saudi Arabia is looking for a skilled Plastic Injection Mold Technician. In this role, you will maintain, repair, and modify injection molds to ensure high production quality. You will work closely with production and design teams to optimize mold performance. Candidates should have at least 5 years of experience in plastic injection mold maintenance and possess strong skills in CNC operation and machining. Join a dynamic team and contribute to innovative manufacturing solutions.

Qualifications

• Minimum 5 years of experience in plastic injection mold maintenance and machining.
• Hands-on experience with CNC machines and other tool room equipment.
• Proven ability to maintain dimensional accuracy and surface finish.

Responsibilities

• Perform preventive and corrective maintenance on plastic injection molds.
• Inspect molds for wear, damage, and perform necessary repairs.
• Collaborate with production and design teams to improve mold performance.

Skills

Preventive maintenance

Troubleshooting

CNC operation

Machining

Education

Diploma or Technical Certificate in Tool & Die, Mechanical Engineering, or Machining Technology

Tools

CNC machines

Lathes

Milling machines

Surface grinders

Job description

Leverage your expertise and become a key part of a dynamic manufacturing team in a leading plastic injection molding environment in Riyadh, Saudi Arabia.

As a Plastic Injection Mold Technician, you will be responsible for maintaining, repairing, and modifying injection molds to ensure high-quality production with minimal downtime. You will also collaborate with production and design teams to optimize mold performance and longevity.

Key Accountabilities

• Perform preventive and corrective maintenance on plastic injection molds.
• Inspect molds for wear, damage, or deformation and perform polishing, welding, or machining as required.
• Disassemble, clean, repair, and reassemble molds according to scheduled maintenance.
• Identify root causes of defects (e.g., flashing, short shots, deformation) and implement corrective actions.
• Operate lathe, milling, grinding, and CNC machines to repair or fabricate mold components.
• Manufacture replacement parts such as cores, cavities, inserts, and ejector pins with high precision.
• Set up and operate CNC machines, conventional lathes, surface grinders, and other tool room equipment.
• Maintain all tooling, measuring instruments, and workshop equipment in optimal condition.
• Collaborate with production and mold design teams to improve mold performance and support modifications.

Qualifications & Experience

• Diploma or Technical Certificate in Tool & Die, Mechanical Engineering, Machining Technology, or related field.
• Minimum 5 years of experience in plastic injection mold maintenance and machining.
• Hands‑on experience with CNC machines, lathes, milling machines, surface grinders, and other tool room equipment.
• Proven ability to maintain dimensional accuracy and surface finish per mold design specifications.
• Experience in troubleshooting mold defects and implementing corrective actions.