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PLASTIC PROCESS ENGINEER - Injection & Blow Molding

Technical Response, Inc.
Posted 2 months ago, valid for 22 days
Location

Knoxville, TN 37901, US

Salary

Competitive

Contract type

Full Time

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Sonic Summary

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  • The position of Process Engineer – Injection & Blow Molding requires a Bachelor's Degree in Plastics, Manufacturing, Mechanical Engineering, or a related field, along with 3–10 years of relevant experience.
  • The engineer will be responsible for developing, optimizing, validating, and sustaining manufacturing processes for injection and blow molding.
  • Key responsibilities include conducting process validations, troubleshooting defects, and performing DOE studies to enhance processing conditions.
  • The role demands strong communication, problem-solving, and collaboration skills, along with proficiency in MS PowerPoint and Excel.
  • The salary for this full-time position is competitive, and candidates must be able to work long hours and occasional weekends.

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.






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