Tool & Mold Maker

Requisition
530087
-Posted
10/22/2026

- Architectural Products Group

- Oldcastle APG (Fence, Rail, Deck)
- Full Time

- Maintenance/Mechanics

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products.

Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

The Tool and Mold Maker specializes in the skilled tasks of 3 and 5 axis machining in building, modifying, maintaining, calibrating, and repairing Roto Molding molds and fixtures, and the production of custom machinery parts and maintenance components. This role involves working with engineers to develop and modify tools, and requires working from blueprints, specifications, and diagrams. The individual assesses complex specifications and applies knowledge of tool and mold design and construction, CAM Programming, shop mathematics, metal properties, Milling and Lathework set up, fixturing, and layout with 3 and 5 axis machining to fabricate and repair aluminum Roto Molding molds, production fixturing, 3 and 5 axis machining fixturing, and custom production machinery and maintenance repair and modification parts.

• Fabrication:
  Fabricates and repairs cast and extruded roto molding molds, Assembly and machining fixtures, and gauges. This includes laying out metal stock, preparing and operating 3 and 5 axis CNC and manual mills and lathes, and machining parts for custom machinery and maintenance
• Planning and Preparation:
  Studies specifications (blueprints, sketches, models) to visualize the product and determine machining sequence. Computes dimensions, plans setups, machine fixtures, and produces CNC programs in Fusion CAM
• Machining and Processing:
  Measures, marks, and scribes metal stock. Set up and operates 3 and 5 axis manual and CNC milling machines and lathes to machine parts. Lifts and secures machined parts for work
• Safety Compliance:
  Complies with all safety and work rules and regulations for the assigned area, following all required safety practices
• Design and Consultation (Optional):
  May examine existing tools and recommend design modifications. May also develop specifications or draw/sketch designs for specialty tools from general descriptions

• Proven experience programming CNC Machinery such as Fanuc controls, CNC Milling machines, CNC Lathes, or 5-axis CNC Machines
• Minimum 5 Years Experience in Precision Tool Making, Prototyping, and manufacturing unique, custom parts
• Ability to read and interpret complex blueprints with GD&T (Geometric Dimensioning & Tolerancing) standards
• Mechanical knowledge with experience in metal machining processes like electrical discharge machining (EDM) is preferred
• Skilled in measuring parts using precision instruments such as micrometers, bore gauges, calipers, dial indicators, and coordinate measuring machines (CMM)
• Understanding of lean manufacturing principles to promote continuous improvement in production workflows
• Excellent math skills for calculating dimensions, feeds, speeds, and tolerances required for precision machining
• Ability to Lift, push or pull up to 50lbs
• Repetitive motion of the limbs
• Be able to bend,…