Senior Injection Molding Process Lead

National Molding, LLC; Toronto; On-site; CAD 70,000 - 100,000; Full time

Job summary

National Molding, LLC is seeking a Senior Process Technician responsible for ensuring new product samples are completed on schedule using a scientific, data-driven approach to process development and validation.

The role focuses on optimizing molding processes, applying scientific molding principles, monitoring in-cavity pressures and temperatures with instrumentation, and driving Lean and 5S initiatives to improve quality and efficiency across production.

Qualifications

• Technical trade college diploma or equivalent industry experience.
• Excellent written and verbal communication skills.
• Minimum of 5 years of experience in injection molding process development and troubleshooting.
• Strong data-driven problem-solving approach, balancing process stability with high-volume production efficiency.
• Solid understanding of mold design principles.
• Proven ability to diagnose and resolve molding process issues.
• Strong attention to detail and quality standards.
• Demonstrated leadership, interpersonal, organizational, and problem-solving abilities.
• Proficiency in interpreting technical manuals and using Microsoft Office applications (Word, Excel, Outlook) and IQMS.

Responsibilities

• Attend APQP meetings (1–6) to ensure tooling is designed with efficiency and ease of operation in mind.
• Ensure all sample requirements are completed on schedule, including all MTR documentation.
• Verify and optimize cycle times and all other molding process parameters.
• Apply scientific molding principles in process development and optimization.
• Utilize instrumentation (e.g., RJG, Kistler) to monitor and control in-cavity pressures and temperatures.
• Maintain a “master process window” to ensure consistent and repeatable product quality across all production runs.
• Conduct DOE for each part to optimize performance prior to submission to Quality Control.
• Support and contribute to Lean manufacturing initiatives.
• Ensure machines and surrounding work areas are left clean, organized, and ready for the next job.
• Troubleshoot and resolve molding process issues.
• Assist with continuous improvement initiatives to reduce setup time and improve efficiency.
• Adhere to Dynaplas 5S workplace standards.
• Demonstrate strong work ethics and lead by example.
• Coordinate, schedule, train, and monitor the activities of Setup and Process personnel.
• Requisition required materials and supplies as needed.
• Perform other duties as assigned.

Skills

Mechanical

Leadership

Communication

Customer Service

Interpersonal

Health and Safety Awareness

Multi-tasking Abilities

Mold design principles

Problem solving

Education

Technical trade diploma

Tools

IQMS

Microsoft Office

Job description

National Molding, LLC is seeking a Senior Process Technician responsible for ensuring new product samples are completed on schedule using a scientific, data-driven approach to process development and validation.

The role focuses on optimizing molding processes, applying scientific molding principles, monitoring in-cavity pressures and temperatures with instrumentation, and driving Lean and 5S initiatives to improve quality and efficiency across production.