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Sr. Design Engineering Manager

Job in Jefferson City, Cole County, Missouri, 65109, USA
Listing for: American Plastics
Full Time position
Listed on 2026-08-03
Job specializations:
  • Engineering
    Product Engineer, Mechanical Engineer, Manufacturing Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

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 Sr. Design Engineer Manager specializing in plastics to join our team at our Innovation Center, in Jefferson City, MO. This position will lead a team of design engineers and 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.

Key Responsibilities

  • · Product Desig

    n:
    Conceptualize, design, and develop plastic components and products according to project requirements, considering factors such as functionality, aesthetics, manufacturability, and cost-effectivenes

  • · CAD Modelin

    g:
    Utilize CAD software (e.g., Solid Works, CATIA) to create detailed 3D models and 2D drawings of plastic parts and assembli

  • · Prototyp

    ing:
    Oversee the prototyping process, including selecting appropriate materials, collaborating with prototype technicians, and validating designs for fit, form, and funct

  • · Material Selec

    tion:
    Evaluate and select suitable plastic materials based on performance requirements, environmental factors, and cost considerat

  • · Design Optimiz

    ation:
    Continuously improve designs for efficiency, performance, and cost reduction through analysis, simulation, and te

  • · Manufacturab

    ility:
    Collaborate with manufacturing teams to ensure designs are optimized for production processes such as injection molding, extrusion, and thermof

  • · Quality As

    surance:
    Work closely with quality control teams to establish and implement quality standards for plastic components and products, ensuring compliance with industry regu

  • · Docum

    entation:
    Prepare and maintain comprehensive design documentation, including technical drawings, specifications, and design change records

  • · Cross-functional Col

    lab oration:
    Collaborate effectively with cross-functional teams including product management, manufacturing, quality assurance, and procurement to achieve project goals and

  • · Research and I
    nnovation:
    Stay updated on industry trends, emerging technologies, and best practices in plastic design, and incorporate innovative solutions into product development processes.

    R
Requirements
  • Bachelor’s degree in mechanical or plastics
  • Engineering
    • Excellent at leading and develo
  • ping a team
    • Experience of hands-on injection molding experie
  • nce a plus.
    • 7 + Years experience with Product Design of plastic injection mold
  • 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-functi
  • onal teams.
    • Familiarity with design for manufacturability (DFM) and design for assembly (DFA)
  • principles.
    • Ability to prioritize tasks and manage multiple projects simu
  • ion skills.
  • We offer a competitive salary, full benefit package including medical/dental, 401k, and paid vacation.
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