Molding Machine Operator; 2nd Shift
Listed on 2026-01-01
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Manufacturing / Production
Manufacturing Production, Machine Operator
Join to apply for the Molding Machine Operator (2nd Shift) role at Tri-Mack Plastics Manufacturing
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Located in Bristol, Rhode Island for 50 years, Tri-Mack is a leading manufacturer of high-temperature thermoplastic components for the aerospace-defense, semiconductor, energy and medical industries.
Our broad capabilities include collaborative engineering, tool making, injection molding, thermoplastic composite processing, multi-axis CNC machining, bonding and assembly, testing and quality control - all within a modern, environmentally controlled 60,000 sq. ft. facility.
Our culture is based on values that promote respect, teamwork and accountability and we are committed to meeting customer requirements through our ISO 9001/AS9100 quality management system.
PLEASE NOTE - Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.
Position:
Molding Machine Operator (2nd Shift)
Summary:
The Molding Machine Operator tends injection molding machines to ensure they stay on cycle, visually inspects parts for common molding defects, and is able to do minor troubleshooting, like clearing a stuck part and understanding machine errors. This position is fully independent in running multiple machines and executing complicated jobs involving hand loads, independently executing all manual measurement methods.
Responsibilities & Accountabilities:
- Operate all molding machines in the department. Be comfortable running multiple machines and/or running jobs that require hand loads.
- Independently identify common molding defects like cold slugs, contamination, burnt material, sinks, cracks, porosity and frosting.
- Independently execute all measurements using optical comparators, Vernier calipers, gauges pins, micrometers, scales and moisture analyzers. Independently fill out all IPQC's.
- De-gate and de-flash parts using a variety of hand tools. Independently identify de-gating and de-flashing requirements from work order documentation.
- Independently operate auxiliary equipment such as band saws and cooling fixtures
- Ensure material is being fed from driers properly, learn how to clean out driers for material switchovers.
- Be aware of need for material segregation and cleanout in-between production runs of using different materials. Ensure machine is free of foreign material before running a job by vacuuming up contaminants and foreign materials on and around the machine.
- Be aware of need for screw and barrel cleanliness when switching materials. Report abnormal material coloring, or high levels of contamination to supervisor or mold set-up tech.
- Understand how to read basic mold processing parameters like mold, nozzle and barrel temperatures. Work with more experienced team members to identify if actual values are not meeting set points
- Be aware of material traceability requirements and work in a way that ensures traceability is maintained by recording material lot numbers where appropriate, and verifying raw material hopper documentation matches pick lists provided.
- Independently execute all Preventive Maintenance tasks in your department as assigned by your team leader or managers.
- Keep work station clean and organized.
- Clock into and out of work orders to accurately record your time and quantity completed.
- Fill out BLTs and IPQCs and any electronic data collection as directed by your manager.
- Properly document scrap/rework parts.
- Communicate constraints on your productivity to your department managers including: equipment issues, raw material shortages/excess, incorrect part weights, incorrect run standards.
- Actively pursue opportunities to develop new skills within the department and across departmental lines.
- Work in a manner that ensures your own safety and the safety of your co-workers, always use correct PPE, and never run a machine without proper guarding.
- Conduct yourself in an ethical and professional manner and demonstrate Tri-Mack’s Values:
Respect, Teamwork, Integrity, Accountability and Durability
- Adhere to all AS9100 requirements as specified in work instructions and by your supervisor.
- All…
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