PLASTIC PROCESS ENGINEER - Injection & Blow Molding

Innovate International Limited; Knoxville (TN); On-site; USD 75,000 - 95,000; Full time

Job summary

Innovate International Limited is seeking a Process Engineer specializing in injection and blow molding to develop and optimize manufacturing processes. This full-time role demands strong technical abilities, analytical skills, and experience in the plastics industry.

The successful candidate will be responsible for ensuring efficient production and may require long hours. Applicants should have a degree in engineering and extensive molding experience. Minimal travel may be expected.

Qualifications

• 3–10 years of injection molding and/or blow molding experience.
• Familiarity with scientific molding principles.
• Solid understanding of injection molding processes and equipment.

Responsibilities

• Develop and optimize injection molding and blow molding processes.
• Conduct process validations including IQ/OQ/PQ.
• Collaborate with tooling engineers to improve performance.

Skills

Molding principles

Communication skills

Problem-solving skills

Attention to details

Time management

Education

Bachelor’s Degree in Plastics, Manufacturing, Mechanical Engineering, or related field

Tools

MS Power Point

MS Excel

Job description

Description

PROCESS ENGINEER – INJECTION & BLOW MOLDING

Department: Processing

Reports To: Technical Services Manager

Classification: Full-Time

Revision Date: June 2026

Job Summary

A Plastic Process Engineer is responsible for developing, optimizing, validating, and sustaining injection molding and blow molding manufacturing processes. This role plays a critical part in ensuring the efficient, safe, and cost-effective production of high-quality plastic products.

Job Duties

• Develop and optimize injection molding and blow molding processes for new and existing products.
• Establish and document process parameters to ensure repeatable and robust manufacturing operations.
• Conduct process validations including IQ/OQ/PQ and process capability studies.
• Implement and maintain scientific molding principles and process controls.
• Collaborate with tooling engineers to improve mold performance, cycle times, and product quality.
• Troubleshoot molding defects and lead CAPA activities.
• Perform DOE studies to optimize processing conditions.
• Support mold trials, resin qualifications, and new product launches.
• Analyze production data to reduce scrap and improve productivity.
• Train technicians and operators on process standards and best practices.

Requirements

Education and Experience

• Bachelor’s Degree in Plastics, Manufacturing, Mechanical Engineering, or related field preferred. 3–10 years of injection molding and/or blow molding experience. Scientific Molding certification preferred.
• Solid understanding of Molding principles, including material selection, mold design, injection molding processes, and process optimization techniques
• Communication, Problem & Solving Skills, Time management, Collaboration skills, Attention to details.
• A strong understanding of the injection molding process and the use of all injection molding equipment to include robotics.
• Computer skills including a familiarity with MS Power Point / Excel / others.
• Be able to communicate in English.

Position Type:

This is a full-time position. The position regularly requires long hours and possible weekend work.

Travel:

• Minimal travel may be expected.

Technical Response is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

Note: Duties may change as the company needs evolve.