Rotocast Machine Operator - All Shifts

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Gemstar Full Time Cannon Falls, MN, US

3 days ago Requisition

Salary Range: $21.97 To $32.32 Annually

Company Overview

Gemstar Manufacturing® has been a leading manufacturer of custom plastic parts and protective hard cases for over 60 years and operates under two business unit brands. Gemstar Custom Part Solutions is a full-service manufacturer providing solutions to unique custom plastic part needs. Gemstar Protective Hard Cases offers four rugged case lines:
Stronghold®, Robo Rack®, Sentinel®, and Versa Pro®. For more information, visit  .

Gemstar Manufacturing is a division of Gemini, Inc., a second-generation, family-owned wholesale manufacturer of dimensional signage.

Gemstar is looking for experienced Machine Operators for 1st, 2nd, and 3rd shift to join the team at our location in Cannon Falls, MN! The position is responsible for setting up and operating rotocasting equipment to produce high-quality plastic products and components according to customer specifications, engineering drawings, work instructions, and quality standards. Under general supervision, you will perform material preparation, mold loading and unloading, machine adjustments, part finishing, inspections, and basic troubleshooting while maintaining a safe and efficient production environment.

Come be a part of a positive, people-first culture that is focused on leveraging each team members’ strengths tohelp bring our customer’s unique products to life.

Wage Range: USD $21.97 - $32.32 per hour (range is inclusive of a 10% shift differential for 2nd and 3rd shift)

Type: Full Time – On-site

• 1st Shift: 6am-2:30pm
• 2nd Shift: 2pm-10:30pm
• 3rd Shift: 10pm-6:30am

- Overtime is scheduled as needed.

A day in the life of a Rotocast Machine Operator at Gemstar includes:

• Set up and operate rotocasting machines, molds, ovens, cooling systems, and related production equipment.
• Prepare and accurately measure resins, powders, additives, and other materials according to established formulas and work instructions.
• Input proper operational cycles into computer per work order instructions.
• Load and secure molds onto rotocasting equipment and verify proper setup before starting production.
• Monitor and adjust machine cycle times, temperatures, rotation speeds, and other process parameters to maintain consistent part quality.
• Safely remove, demold, trim, and finish molded components.
• Perform visual and dimensional inspections using calipers, gauges, and other measuring equipment.
• Identify defects such as warping, voids, thin walls, incomplete coverage, surface imperfections, and dimensional variation.
• Make appropriate process adjustments and communicate recurring quality issues to supervision or engineering.
• Perform basic machine troubleshooting and routine preventative maintenance.
• Maintain accurate production, material usage, and quality records.
• Follow established work instructions, safety procedures, quality standards, and housekeeping requirements.
• Maintain a clean, organized, and safe work area.
• Supports the onboarding of new team members through training and knowledge sharing
• Performs other duties as assigned for the benefit of the group or organization.

• High degree of mechanical aptitude and ability to operate machine controls, process parameters, and production procedures.
• Good attention to detail and commitment to producing quality parts.
• Ability to read and follow work instructions, drawings, and basic production documentation.
• Basic ability to operate computers, computer equipment and machine control panels
• Flexible attitude to work in…