Mold Maker

Mold Maker

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 partner with companies of all sizes to deliver manufacturing and assembly solutions that support their success. Our 120,000-square-foot facility in Fitchburg, MA supports projects from concept through commercialization.

The Mold Maker is responsible for the machining, fabrication, assembly, troubleshooting, repair, and preventive maintenance of injection molds used in a plastic injection molding environment. This position requires hands-on mold maker experience, including the manufacture, fitting, assembly, repair, and modification of injection molds. Candidates without direct mold making experience will not be considered.

What We Offer:

• Competitive salary
• Comprehensive benefits package, including health insurance, 401(k), and paid time off

Work Environment:

Positive, inclusive, and high-performing work environment where you can thrive both personally and professionally.

Key Accountabilities

• Provide technical input to the quoting team on mold designs and manufacturability.
• Collaborate with cross-functional personnel in routing, planning, work instructions, problem solving, and expediting molds and components for assigned jobs.
• Accurately record and log work time to appropriate jobs.
• Develop work plans, identify risks, set priorities and milestone goals, assess progress regularly, and escalate any issues that may affect delivery schedules.
• Use knowledge of steel types (H13, SS, S7, P20, etc.) and hardness levels to determine appropriate machining strategies and equipment.
• Set up and operate tool room equipment—including CNC machines, milling machines, lathes, and EDM—to produce components to tight tolerances.
• Interpret blueprints, CAD files, and written or verbal instructions to machine mold components accurately.
• Fabricate mold components such as cores, cavities, and ejector systems; perform finish machining, and grinding to achieve required dimensions and specifications.
• Operate all equipment safely and in accordance with training and established safety standards.
• Monitor incoming components for assigned molds and coordinate with Purchasing to ensure material availability aligns with job schedules.

Mold Assembly, Testing & Troubleshooting

• Assemble molds and prepare them for testing, verifying proper fit and functionality of all mechanisms, sliding components, and cooling circuits.
• Perform inspections of cores, cavities, and seal-off areas to confirm dimensional accuracy, finish quality, and functional readiness.
• Troubleshoot issues during assembly, testing, or production, and develop corrective action plans.
• Adjust final fits and components to ensure molds meet performance requirements.
• Document critical dimensions, adjustments, and necessary updates.
• Perform mold disassembly, repair, fine-tuning, and engineering changes; assist with mold cleaning and general mold maintenance as needed.

Continuous Improvement & Operational Support

• Participate in continuous improvement efforts to enhance mold-making processes and overall operations.
• Maintain accurate tooling inventory.
• Provide technical support and guidance to the molding department and maintenance teams.
• Ensure compliance with all molding-related procedures, policies, and quality standards.

Job Qualifications

• Technical Trade School Certification preferred.
• Minimum of 5 years of direct hands-on experience as a Mold Maker in a plastic injection molding environment, including mold construction, repair, engineering changes, troubleshooting, fitting, assembly, polishing, and preventive maintenance.
• Strong mathematical aptitude, including geometry and trigonometry.
• Ability to read and interpret blueprints, technical drawings, CAD models, and engineering specifications.
• Excellent verbal and written communication skills, with the ability to collaborate effectively across all levels of the organization.
• Strong organizational skills and exceptional attention to detail.
• Dependable, self-motivated, and capable of working independently with minimal supervision.
• Proficient in Microsoft Office applications (Word and Excel) and experience working with ERP/MRP systems.
• Basic SolidWorks experience preferred.
• Experience with Mastercam and/or hyperMILL preferred.

This position requires direct Mold Maker experience in a plastic injection molding environment. Experience limited to CNC machining, machine operation, production manufacturing, or maintenance without hands-on mold construction and repair experience will not meet the minimum requirements for this role.