Senior Injection Mold Maker

Connexion Systems + Engineering; Leominster (MA); On-site; USD 55,000 - 76,000; Full time

Benefits offered by this job

Relocation assistance

Health/dental/vision insurance (direct

401(k) with company match

Paid vacation and holidays

Job summary

Connexion Systems & Engineering Inc. in Leominster, MA seeks a Senior Injection Mold Maker to join a precision tooling team.

This hands-on role focuses on building, repairing, troubleshooting, and optimizing complex plastic injection molds, collaborating with Engineering, Tooling, Maintenance, and Production to keep tooling performing at peak levels. The position offers a pay rate of $40-$55 per hour DOE, 1st shift, 7am–3pm, and a temp-to-perm or direct-hire path.

Qualifications

• 5+ years of hands-on Mold Maker experience in a plastic injection molding environment.
• Experience building, repairing, maintaining, and troubleshooting injection molds.
• Strong understanding of injection mold construction and function.
• 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.

Responsibilities

• 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.
• Machine mold components using manual and CNC toolroom equipment.
• Inspect mold components and verify critical dimensions to tight tolerances.

Skills

Mold making

Blueprint reading

CNC milling

Troubleshooting

Quality inspection

Education

High school diploma or GED

Tools

SolidWorks

Mastercam

CAD/CAM software

Job description

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.

What You'll Do

• 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

What We're Looking For

Required

• 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

Preferred

• Technical trade school certification or apprenticeship training
• Experience with SolidWorks, 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

Why Consider This Opportunity?

• $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

Additional Information

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