Plastic Injection Mold Designer

Date: Posted 05-Jan-2015, Closing 31-Jan-2015 (CST)

Department: Production

Location: St. Charles, IL

Employment Type: Full Time


Works with cross-functional teams as well as on independent projects to implement new product designs & modifications for current equipment to improve quality, cost, usability, and overall customer value.

The mold designer takes care of the total system as well as inner workings/engineering of a design.  


  • Consults with employees regarding engineering problems with existing tooling. 
  • Designs machinery, parts, assemblies and components for equipment. 
  • Creates and updates detailed drawings and assemblies required for manufacturing using the company's CAD system. 
  • Recommends design of new tools and engineering changes on existing tools; recommends purchase of equipment and materials as necessary. 
  • Assists in preparing and updating instructional and training materials for customers use.
  • Works with a team of engineers and designers to develop the conceptual, preliminary and detail design and the most critical parts.
  • Initiates design of preliminary and production prints according to customer specifications.
  • Studies specifications, engineering blueprints, tool orders and shop data and confers with Project Manager, Engineering Manager and/or Plant Superintendent to resolve design problems related to material characteristics, dimensional tolerances, service requirements, manufacturing procedures and cost.
  • Designs final prints to meet customers' requirements.
  • Maintains engineering procedures including job log on a daily basis to ensure that changes and correct prints are recorded and approved at the proper levels.
  • Recommends changes to design specifications to improve integrity of the mold design.
  • Purchases necessary materials from suppliers within company guidelines.
  • Performs other related duties as assigned.
  • Designs with concerns for manufacturability.
  • Completes thorough documentation of design work.
  • Partners with component suppliers to improve results.
  • Provides technical product support to manufacturing, marketing and sales.
  • May work in a team along with designers to create the drawings necessary for prototyping and production.
  • May create drawings using CAD and solid modeling software
  • May trains subordinate Design staff
  • Collaborates with Project Manager, Engineering Manager, and Plant Superintendent regarding design of new tooling, engineering changes on existing tools, preliminary quote drawings and purchase of necessary materials.
  • Assists plant employees with design specifications, sampling and any engineering problems with existing tooling.
  • Interacts closely and frequently with customers regarding design requirements, and with suppliers to purchase materials.


  • Bachelors degree in Mechanical Engineering or Manufacturing Technology, or 4 to 10 years of trade school, vocational education or equivalent
  • 2- 4 years of relevant experience in an Engineering position
  • Experience with 3D CAD and solid modeling software
  • Able to work independently and as part of a team
  • Able to analyze and synthesize complex concepts in technology and scientific systems; strong cognitive abilities; excellent problem-solving skills
  • Strong collaboration and project management skills
  • High level of verbal and written communication skills


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Chicago Mold Engineering