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Molding Machine Operator; 2nd Shift

Job in Bristol, Bristol County, Rhode Island, 02809, USA
Listing for: Tri-Mack Plastics Manufacturing
Full Time position
Listed on 2026-01-01
Job specializations:
  • Manufacturing / Production
    Manufacturing Production, Machine Operator
Job Description & How to Apply Below
Position: Molding Machine Operator (2nd Shift)

Join to apply for the Molding Machine Operator (2nd Shift) role at Tri-Mack Plastics Manufacturing

1 week ago Be among the first 25 applicants

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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