MMI Engineered Solutions
  • Tool Room
  • Saline, MI, USA
  • Full Time

Competitive wages/ Medical, Dental, & Vision benefits (Including domestic partner), 401K , Tuition Reimbursement, Long and short term disability plans, PTO, Paid Holidays, and many bonus programs.

MMI Engineered Solutions has an immediate opening for an experienced mold maker to work in our tool room. Located in Saline, Michigan, MMI Engineered Solutions is an established but growing enterprise providing world class engineering solutions for advanced composites and engineered resins across multiple industries. We are a plastic injection molding company that designs, builds and maintains our tooling in-house in support of our injection molding operations world wide.

MMI offer's competitive wages, a rich benefits package including, medical, dental, vision, wellness, paid time off (PTO), paid holidays a 401K plan with matching as well as tuition reimbursement.

Our Mold Makers are responsible for building molds from start to finish, as well as restoring, altering and servicing complex molds used in our plastic injection molding facilities. We work with with both aluminum and steel tooling. other responsibilities include;

  • Work closely with Engineering to build new or modify existing injection molds.
  • Work with plant Operations to determine mold repairs required.
  • Repair injection molds by fabricating and machining inserts, pins and other mold components.
  • Disassemble and reassemble molds as required for troubleshooting, modifications or repairs.
  • Set up and operate machine shop equipment, including milling, lathes and surface grinders.
  • Train and mentor lower level machinists/toolmakers.
  • Perform other department functions as required.


  • Eight plus (8+) years in the tool making trade
  • High School diploma or equivalent
  • Sold knowledge of making including including:
  • Assembly and disassembly
  • Mold components
  • Wiring of hot runner systems
  • Polishing techniques
  • Proven familiarity with typical machining equipment like mills and lathes
  • CNC Setup and operation experience a plus
  • Demonstrated TIG welding experience a plus

MMI Engineered Solutions is an equal opportunity employer

MMI Engineered Solutions
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