Demo

Design Engineer

American Plastics, LLC
Jefferson, MO Full Time
POSTED ON 7/21/2026
AVAILABLE BEFORE 11/17/2026
Description:

American Plastics, headquartered in St. Louis, Missouri, is a leading designer and manufacturer of innovative plastic-injection molded products for the household & garage storage and commercial cleaning end-markets.

We are seeking a skilled Design Engineer specializing in plastics to join our team at our Innovation Center, in Jefferson City, Missouri location. The ideal candidate will be responsible for designing and developing plastic components and products, ensuring functionality, manufacturability, and cost-effectiveness. The role involves collaborating with cross-functional teams, utilizing CAD software, and staying updated on industry trends and technologies. This position will report to the Vice President of Engineering.

  • Product Design: Conceptualize, design, and develop plastic components and products according to project requirements, considering factors such as functionality, aesthetics, manufacturability, and cost-effectiveness.
  • CAD Modeling: Utilize CAD software (e.g., SolidWorks, CATIA) to create detailed 3D models and 2D drawings of plastic parts and assemblies.
  • Prototyping: Oversee the prototyping process, including selecting appropriate materials, collaborating with prototype technicians, and validating designs for fit, form, and function.
  • Material Selection: Evaluate and select suitable plastic materials based on performance requirements, environmental factors, and cost considerations.
  • Design Optimization: Continuously improve designs for efficiency, performance, and cost reduction through analysis, simulation, and testing.
  • Manufacturability: Collaborate with manufacturing teams to ensure designs are optimized for production processes such as injection molding, extrusion, and thermoforming.
  • Quality Assurance: Work closely with quality control teams to establish and implement quality standards for plastic components and products, ensuring compliance with industry regulations.
  • Documentation: Prepare and maintain comprehensive design documentation, including technical drawings, specifications, and design change records.
  • Cross-functional Collaboration: Collaborate effectively with cross-functional teams including product management, manufacturing, quality assurance, and procurement to achieve project goals and deadlines.
  • Research and Innovation: Stay updated on industry trends, emerging technologies, and best practices in plastic design, and incorporate innovative solutions into product development processes.
Requirements:
  • Bachelor’s degree in mechanical or plastics Engineering.
  • Experience of hands-on injection molding experience a plus.
  • 3 Years experience with Product Design of plastic injection molded products for consumer packaged goods
  • SolidWorks knowledge.
  • Experience with prototyping techniques and rapid iteration processes.
  • Excellent problem-solving skills and attention to detail.
  • Effective communication and collaboration skills with the ability to work in cross-functional teams.
  • Familiarity with design for manufacturability (DFM) and design for assembly (DFA) principles.
  • Ability to prioritize tasks and manage multiple projects simultaneously.
  • Strong communication skills.

If you are interested in joining the American Plastics team and want to work in a fast-paced, progressive environment, we want to hear from you. We offer a competitive salary, full benefit package including medical/dental, 401k, and paid vacation.

Salary.com Estimation for Design Engineer in Jefferson, MO
$90,048 to $104,068
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