Mold Maker

Jabil•Clinton, MA

22h

About The Position

The Mold Maker performs highly skilled tasks throughout the mold manufacturing process, using advanced machining expertise and technical knowledge to ensure mold components are completed, assembled, and validated on schedule. The role requires a thorough understanding of plastic injection mold design, construction, and functionality to evaluate dimensional requirements, tolerances, fits, finishes, and mold performance. The Mold Maker provides technical guidance and support during mold construction and qualification, collaborating with design, machining, assembly, and manufacturing teams to identify risks, resolve problems, expedite critical work, and support successful project completion. The position also requires sound judgment, proactive communication, and technical leadership. This role operates in a precision manufacturing environment and requires compliance with company safety policies and procedures. Required personal protective equipment must be worn as applicable.

Requirements

High school diploma or equivalent required.
At least 5 years of hands-on injection moldmaking or toolmaking experience supporting plastic injection molding operations.
Experience building, repairing, maintaining, fitting, assembling, and troubleshooting complex plastic injection molds.
Strong knowledge of injection mold construction, operation, functionality, and common tooling failure modes.
Knowledge of mold components and systems, including cores and cavities, inserts, parting lines and shutoffs, mold actions and interlocks, slides and lifters, ejector pins and systems, cooling and water circuits, leader pins, and bushings.
Advanced manual and CNC toolroom machining skills, including mills, lathes, grinders, EDMs, and other precision machining equipment.
Strong precision fitting, spotting, polishing, bench work, assembly, and mold qualification skills.
Ability to independently diagnose tooling issues, identify root causes, and implement effective repair solutions.
Ability to read and interpret mold designs, blueprints, CAD models, engineering drawings, and dimensional specifications.
Proficiency with precision measuring and inspection equipment to verify dimensional accuracy and mold quality.
Working knowledge of CNC programming and machining processes.
Basic CAD skills to review and interrogate mold designs and manufacturing data.
Strong analytical, problem-solving, and troubleshooting skills, with attention to detail.
Ability to communicate and collaborate effectively with engineering, machining, assembly, quality, and operations teams.
Ability to work independently on complex tooling projects with precision, craftsmanship, quality, and accountability.
Proficient computer skills, including completing reports, quality documentation, and production records.
Ability to stand and/or sit for extended periods; visually inspect detailed markings and part features; handle tools and small components with manual dexterity; and lift or move materials or components weighing up to 40 pounds.

Nice To Haves

Technical training, an apprenticeship, or journeyman-level moldmaking/toolmaking experience.

Responsibilities

Perform advanced machining operations using mills, EDMs, lathes, grinders, saws, hones, and other precision equipment.
Interpret blueprints, CAD files, engineering drawings, and written or verbal instructions to manufacture mold components to specification.
Review mold designs and understand mold functionality, critical features, and customer requirements.
Monitor and verify the quality, dimensional accuracy, fit, and functionality of mold components during manufacturing and assembly.
Independently diagnose mold problems, determine necessary repairs, and return tooling to production-ready condition.
Document and report mold design and manufacturing issues through Design Quality Issue Reports and other required quality systems.
Provide technical leadership, mentorship, and guidance to team members; promote best practices and support continuous improvement.
Maintain a safe, organized work environment and comply with company safety, quality, and operational procedures.
Communicate project progress, concerns, and delivery risks to Operations Management and department leaders.
Fit, repair, and replace cores, cavities, inserts, slides, lifters, ejector systems, leader pins, bushings, and related mold components.
Perform other duties as assigned.