Job Description

MPC has joined in the fight against Covid-19 and we are seeking out the most talented, reliable and personable individuals to join us in our fight. MPC is not a division of a major corporation. We are a very successful owner-operated, plastic injection molding company. Our maxim is: “Do unto others as you would have them do unto you.” In short, we treat all employees as family and we respect that each team member, regardless of his or her function or title is equally important to the overall success of the company.  We are currently in the process of transforming our facility to help supply badly needed medical devices in the battle against Covid-19.


  •          Our Culture, MPC provides a dynamic environment that challenges and rewards your technical skills. We are honoured to provide our Team Members with an environment where they can grow and thrive both professionally and personally. If you’re looking for a real career opportunity, this could be the place for you!
  • An opportunity to continue to develop your career while expanding your knowledge and pushing the limits of emerging technologies
  • Medical benefits, Dental benefits, Vision care benefits and life insurance
  • Profit-Sharing
  • Access to our on-site fitness centre
  • Free membership to Bliss Ann Green Yoga in Barrie
  • Clean, safe and stable working environment
  • We have a real family-style atmosphere in our facility, and we love to have BBQ’s, golf tournaments, and bowling (just to name a few!)


MPC is currently seeking a full time Mould Maker. The successful candidate will work with some of the best Mould Makers and Engineers in the plastics industry and be given the opportunity to work on some of the most technically challenging non-commodity moulds in the world, including planetary rotational cores, with internal mechanical movements, rotating gear rings, insert moulding and mould over parts. MPC is known worldwide as a precision plastic parts supplier for the automotive industry; we manufacture the most challenging parts with the highest quality standards and complex configurations requiring close tolerances of up to 0.0002″ (0.005 MM).

As a Mould Maker your primary responsibility will be building and fitting new injection moulds and related tooling by preparing various materials from engineering drawings and specifications. As well as troubleshooting, repairing and maintaining moulds that are currently operating in our state-of-the-art manufacturing facility.


  • Build injection moulds by grinding, machining, polishing, drilling, milling and fitting moulds together
  • Read and interpret engineering drawings
  • Fit and assemble parts, then test completed moulds for proper operation
  • Verify conformance of repaired injection moulds or related tooling to specification by checking dimension, clearances and alignments using various test equipment
  • Assist in the training and sharing of knowledge of apprentices
  • Perform general maintenance and cleanup of all Toolroom machinery
  • Participate in Continuous Improvement and assists in it’s implementation on an on-going basis


  • Qualified Mould Maker trade certificate or Tool & Die Maker Certificate
  • Must be able to operate all common tool room machinery in a safe and productive manner
  • Excellent problem solving and work planning ability
  • Ability to multi-task and work in a very fast environment
  • Must have all tools common to the trade
  • Mathematical and mechanical aptitude
  • Proven ability to adapt to changing priorities and working conditions
  • Ability to work well independently and as a team
  • Forklift experience an asset
  • Knowledge of safety issues relevant to performance of duties

MPC is committed to fair and accessible employment practices that attract and retain Associates with disabilities. This includes providing accessibility across all stages of the employment cycle. Accommodation is available upon request.

Job Type: Full-time