Internship Injection Mold Design Engineer Jobs (NOW HIRING)

Experienced Mold Makers: Take Your Craft to the Next Level at Micron Solutions

Fitchburg, MA
$40.00 - $55.00 Per Hour

Join a Team That Values Craftsmanship

At Micron Solutions, we build more than molds. We manufacture critical components used in medical devices and advanced industrial applications. We're looking for an experienced Senior Injection Mold Maker who takes pride in precision workmanship, enjoys solving complex tooling challenges, and wants to make a direct impact on quality, performance, and innovation.

If you have a passion for mold building, repair, troubleshooting, and continuous improvement, we invite you to bring your expertise to our growing team.

Who We Are

Micron Solutions is a multifaceted contract manufacturing organization specializing in thermoplastic injection molding, precision machining and finishing, and silver-plated medical sensors for disposable electrodes. Our 120,000-square-foot manufacturing facility in Fitchburg, Massachusetts supports customers from concept through commercialization and high-volume production.

What You'll Do

As a Senior Injection Mold Maker, you will play a key role in ensuring our tooling is built, maintained, and optimized to support world-class manufacturing operations.

Responsibilities

• Build, fit, assemble, and troubleshoot precision plastic injection molds.
• Perform mold repairs, engineering changes, preventive maintenance, and mold refurbishments.
• Diagnose tooling issues and implement corrective actions to improve mold performance and reliability.
• Machine mold components using manual and CNC tool room equipment.
• Operate mills, lathes, grinders, EDM equipment, and related tooling machinery.
• Inspect mold components and verify critical dimensions to tight tolerances.
• Assemble and test molds to ensure proper fit, function, cooling, and ejection performance.
• Collaborate with Engineering, Tooling, Maintenance, and Production teams to improve manufacturability and mold performance.
• Assist with mold sampling, qualification, and production support activities.
• Document repairs, modifications, inspections, and tooling improvements.
• Maintain a safe, clean, and organized work environment.
• Participate in continuous improvement initiatives that enhance efficiency, quality, and tooling reliability.

What We're Looking For

Required Qualifications

• Minimum of 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 mold construction and mold function.
• Experience working 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.
• Experience operating:
• • Manual and CNC milling machines
  • Lathes
  • Surface grinders
  • EDM equipment
• Strong troubleshooting and problem-solving abilities.
• Ability to work independently while maintaining exceptional quality standards.

Preferred Qualifications

• Technical Trade School certification or apprenticeship training.
• Experience with SolidWorks, Mastercam, or similar CAD/CAM software.
• Experience supporting medical device or other highly regulated manufacturing environments.
• Knowledge of mold design, manufacturability, and tooling optimization.
• Experience working with tight-tolerance precision tooling.

Why Join Micron Solutions

• Competitive pay of $40-$55 per hour
• Overtime Opportunities Available
• Comprehensive health, dental, and vision benefits
• 401(k) with company match
• Paid vacation and holidays
• Stable and growing manufacturing environment
• Opportunity to work on complex, precision tooling projects
• Collaborative team culture that values craftsmanship and expertise
• Relocation available for qualified candidates

Please note: This position is not eligible for visa sponsorship. Applicants must be authorized to work in the United States without current or future sponsorship requirements.

Micron Solutions is a multifaceted contract manufacturing organization specializing in thermoplastic injection molding, precision machining and finishing, and silver-plated medical sensors for disposable electrodes. We work with clients of all sizes to provide manufacturing solutions and assembly services to help our customers meet their goals. Our 120,000 square foot manufacturing facility in Fitchburg, MA is capable of serving customers’ projects from start to finish. To find more information, please visit our website: https://www.micronsolutions.com