Senior Injection Mold Maker

Title:

Senior Injection Mold Maker Hiring Organization:
Connexion Systems & Engineering Compensation, Benefits, and

Employment Type

Duration: temp-to-perm, or direct hire, based on experience Pay rate: $40-$55/hr DOE

Job Location:

Leominster, MA Work Model: 100% onsite

Schedule:

Monday – Friday, 7am – 3pm Job#: bh19564 Build Precision Tooling. Solve Complex Challenges. Make an Impact.

Description:

A growing advanced manufacturing organization in Leominster, MA is seeking an experienced Senior Injection Mold Maker to join its tooling team. This is a hands-on opportunity for a skilled mold maker who takes pride in precision workmanship and enjoys building, repairing, troubleshooting, and optimizing complex plastic injection molds. You’ll play a key role in keeping critical tooling performing at a high level while collaborating with Engineering, Tooling, Maintenance, and Production teams.

The organization manufactures precision components for medical device and advanced industrial applications, offering the opportunity to work in a quality-focused, highly technical manufacturing environment.

• Build, fit, assemble, and troubleshoot precision plastic injection molds
• Perform mold repairs, engineering changes, preventive maintenance, and refurbishments
• Diagnose tooling issues and implement corrective actions to improve mold performance and reliability
• Machine mold components using manual and CNC toolroom equipment
• Operate mills, lathes, surface grinders, EDM equipment, and related machinery
• Inspect mold components and verify critical dimensions to tight tolerances
• Assemble and test molds for proper fit, function, cooling, and ejection
• Work with cores, cavities, slides, lifters, ejector systems, cooling circuits, and mold mechanisms
• Read and interpret blueprints, engineering drawings, and CAD-generated prints
• Support mold sampling, qualification, and production activities
• Document repairs, modifications, inspections, and tooling improvements
• Partner with Engineering, Tooling, Maintenance, and Production to improve manufacturability and mold performance
• Contribute to continuous improvement initiatives focused on efficiency, quality, and tooling reliability
• Maintain a safe, clean, and organized work environment

• 5+ years of hands-on Mold Maker experience in a plastic injection molding environment
• Proven experience building, repairing, maintaining, and troubleshooting injection molds
• Strong understanding of injection mold construction and function
• Experience with:
  • Cores and cavities
  • Slides and lifters
  • Ejector systems
  • Cooling circuits
  • Mold actions and mechanisms
• Ability to read and interpret blueprints, engineering drawings, and CAD-generated prints
• Hands-on experience operating:
  • Manual and CNC milling machines
  • Lathes
  • Surface grinders
  • EDM equipment
• Strong mechanical troubleshooting and problem-solving skills
• Ability to work independently while maintaining high standards for quality and precision
• High school diploma or GED
• Ability to read and comprehend work instructions in English

• Technical trade school certification or apprenticeship training
• Experience with Solid Works, Mastercam, or similar CAD/CAM software
• Experience supporting medical devices or other highly regulated manufacturing environments
• Knowledge of mold design, manufacturability, and tooling optimization
• Experience with tight-tolerance precision tooling

• $40–$55/hr., depending on experience
• 1st shift: 7:00 AM–3:00 PM
• Temp-to-perm or direct-hire opportunity
• Work on complex, precision injection molding tooling
• Stable, growing manufacturing environment
• Collaborative team that values craftsmanship and technical expertise
• If converted to direct hire: health, dental, and vision insurance; 401(k) with company match; paid vacation and holidays
• Relocation assistance available for qualified candidates

Applicants must be authorized to work in the United States without current or future sponsorship requirements

Employment is contingent upon successful completion of a background check, education verification, and drug screening