About this role
Job Title: Plastic Injection Molding Specialist / Process Technician
Location: Proximity to Melville, NY area (Long Island – On-Site)
Position Type: Full-Time, Permanent
Compensation: Highly Competitive / Commensurate with Experience (Top pay available for proven expertise)
Position Overview
A precision mold manufacturing and tooling facility is seeking a seasoned Injection Molding Specialist to join their technical production team.
The company specializes in custom tooling, precision molds, and production processing. They are seeking an experienced technical expert who can set up molds, dial in processing parameters, troubleshoot defects, and ensure consistent high-tolerance output. For top-tier talent with proven industry experience, ownership is prepared to offer highly competitive, top-of-market compensation.
Key Responsibilities
Perform setup, process optimization, and cycle time tuning on plastic injection molding presses.
Install, align, and secure precision injection molds; connect hydraulic lines, cooling channels, and electrical connections safely.
Establish, monitor, and document critical processing parameters (temperatures, pressures, injection speeds, holding times).
Troubleshoot and resolve common molding defects such as flash, short shots, sink marks, splay, and warping.
Conduct material sampling, mold trials, and first-piece inspections to verify part quality against engineering blueprints and specifications.
Collaborate closely with toolmakers, CNC machinists, and mold maintenance personnel to optimize tooling performance and preventative maintenance.
Maintain strict safety standards and keep production equipment running efficiently.
Qualifications & Requirements
Experience: 5+ years of hands-on experience in plastic injection molding setup, process debugging, and mold trials. Tooling or mold-making background is a major plus.
Technical Mastery: Deep knowledge of resin behavior, mold mechanics, hot runner systems, and process control systems.
Troubleshooting: Strong ability to diagnose part defects and make mechanical or parameter adjustments on the floor.
Mindset: Reliable, detail-oriented, and comfortable working directly with leadership and machine operators in an active shop environment.
Compensation / Pay Rate (Up to): $30.00 - $60.00 Per Hour
