Fiberglass Mold Operator

Job title:

Fiberglass Mold Operator/Mold Maker

We are seeking a skilled and detail-oriented Fiberglass Mold Operator / Mold Maker to support the design, fabrication, and production of fiberglass (FRP) components. This role is responsible not only for operating fiberglass molds, but also for creating, modifying, and maintaining molds
, including working with CNC‑machined tooling
. The ideal candidate has hands‑on experience with fiberglass composites, mold construction, and CNC‐supported manufacturing processes.

• Build, modify, and repair fiberglass molds, plugs, and tooling
• Prepare molds by cleaning, inspecting, and applying release agents
• Lay up fiberglass materials (mat, cloth, roving) according to work instructions
• Mix and apply resins, gel coats, and catalysts per specifications
• Monitor curing processes and adjust parameters to ensure part quality
• Safely demold parts and inspect for defects (voids, delamination, surface flaws)
• Trim, grind, sand, and finish fiberglass components to specification
• Operate, assist with setup, or support CNC machines used for mold and part fabrication
• Load/unload CNC machines and handle precision tooling and machined components
• Read and interpret CNC setup sheets, blueprints, and routers
• Perform in‑process and final inspections using measuring tools and visual standards
• Collaborate with machinists, engineers, and quality personnel to resolve tooling or process issues
• Perform routine mold, CNC, and equipment maintenance
• Document production, inspection results, and process deviations
• Follow all safety procedures including PPE, chemical handling, machine guarding, and lockout/tagout
• Maintain clean and organized areas in accordance with 5S standards

• High school diploma or equivalent
• Experience in fiberglass/composite manufacturing and mold operation
• Experience creating, modifying, or repairing molds or tooling
• Hands‑on experience working with CNC machines (operation, setup support, or secondary operations)
• Ability to read and follow blueprints, CNC setup sheets, and work instructions
• Familiarity with hand and power tools used in mold and composite fabrication
• Understanding of quality inspection methods and tolerances
• Strong attention to detail and commitment to safety and quality
• Ability to lift up to [XX] lbs and stand for extended periods

• Experience as a Mold Maker, Fiberglass Mold Operator, FRP Technician, or Composite Technician
• Experience with CNC mills, routers, or 5‑axis machines
• Experience with vacuum infusion, RTM, or closed‑mold processes
• Knowledge of surface finish requirements (Ra, cosmetic finishes)
• Familiarity with GMP, ISO, or regulated manufacturing environments
• Experience in marine, aerospace, automotive, or industrial composites

• Manufacturing environment with exposure to fiberglass, resins, dust, and machining operations
• Use of PPE including respirators, gloves, eye protection, and hearing protection
• Standing, bending, lifting, and working in confined areas as required

• Competitive pay based on experience
• Health, dental, and vision insurance
• Paid time off and holidays
• 401(k) with company match
• Training and advancement opportunities

We are an Equal Opportunity Employer and value diversity in our workforce. All qualified applicants will receive consideration without regard to race, color, religion, sex, age, national origin, disability, or veteran status.