Precision Mold Maker – Injection Tooling

H. T. PROF Group; New York (NY); On-site; USD 49,920 - 76,960; Full time

Benefits offered by this job

Full Benefits

Job summary

H. T. PROF Group in the New York area seeks a skilled Mold Maker to join our Tool Room team. You will build, repair, and maintain high‑precision injection molds, supporting production from initial build through to ongoing tooling maintenance. Location: 30 minutes west of Manhattan.

Qualifications include 5+ years in mold making, knowledge of cores, cavities, slides, tooling, GD&T, and precision measurement. This full‑time day shift role includes overtime and full benefits.

Qualifications

• Minimum 5 years of experience in mold making within an injection molding environment.
• Strong knowledge of mold construction including cores, cavities, slides, lifters, and ejection systems.
• Understanding of plastic flow, gate design, and their impact on part quality.
• Proficiency in mold spotting, fitting, assembly, and bench work.
• Experience with CNC and/or manual machining to support tool builds and repairs.
• Ability to interpret blueprints, CAD models, and GD&T call-outs.

Responsibilities

• Construct, assemble, and fit injection molds, including cores, cavities, inserts, slides, and components.
• Perform scheduled and unscheduled maintenance, repairs, and overhauls of molds.
• Identify and resolve tooling issues affecting production, such as flash, short shots, wear, and dimensional drift.
• Interpret blueprints, CAD models, and GD&T call-outs with precision.
• Perform CNC and manual machining as needed to support tool construction and repairs.
• Maintain tight tolerances consistently (±0.0005” or better).
• Conduct spotting, fitting, and bench work to confirm mold fit and function.
• Collaborate with engineering, production, and design teams on new tool launches and ECNs.

Skills

CNC Milling

Mold Making

GD&T

Manual Machining

Metrology Tools

Tooling Maintenance

Tools

CMM (Coordinate Measuring Machine)

EDM experience

Surface grinding

Micrometers / Height gauges

Job description

H. T. PROF Group in the New York area seeks a skilled Mold Maker to join our Tool Room team. You will build, repair, and maintain high‑precision injection molds, supporting production from initial build through to ongoing tooling maintenance. Location: 30 minutes west of Manhattan.

Qualifications include 5+ years in mold making, knowledge of cores, cavities, slides, tooling, GD&T, and precision measurement. This full‑time day shift role includes overtime and full benefits.