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Plastics Tooling Design Engineer (Injection Molds)

Lighthouse Hiring

Kansas City, MO 64132 • $90,000 to $120,000 / yr • 10/16/2026

Job Description

Job Description
Plastics Tooling Design Engineer (Injection Molds)

Based in Kansas City, you’ll turn product concepts into production-ready injection molds that run efficiently and reliably. If you thrive on precision, collaboration, and modern design tools, this is your stage.

A day in the life
  • Translate product and process needs into robust mold designs using CAD (SolidWorks, AutoCAD or similar).
  • Run mold flow simulations to validate gate locations, cooling strategies, and fill/pack performance.
  • Partner with cross-functional teammates to align on scope, schedule, and manufacturability.
  • Guide prototypes from build to test, refining geometry and components based on data and feedback.
  • Support production launch and troubleshoot mold-related concerns on the floor.
  • Track emerging tooling technologies and materials to continuously improve designs.
What you’ll bring
  • Bachelor’s degree in Mechanical Engineering, Plastics Engineering, or related discipline.
  • 5+ years of hands-on experience designing and developing injection molds.
  • Proficiency with CAD (e.g., SolidWorks, AutoCAD) and strong documentation practices.
  • In-depth understanding of mold manufacturing methods, steels, and polymer behavior.
  • Sharp problem-solving skills and meticulous attention to detail.
  • Excellent communication and a collaborative mindset.
You should be proficient in
  • Injection molding experience

Join a supportive, high-performing team in Kansas City where your designs move from screen to shop floorand make a measurable impact.