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Injection Molding Operator

Trelleborg Brand
Louisville, CO Full Time
POSTED ON 11/25/2025 CLOSED ON 1/9/2026

What are the responsibilities and job description for the Injection Molding Operator position at Trelleborg Brand?

The Injection Molder is responsible for setting up and running the injection molding machines.

 

Essential Duties & Responsibilities

  • Places molds using the hoist crane to fasten molds to the injection molding machines.
  • Enters mold parameters into the machine based on specifications as detailed on the set-up sheets.
  • Oversees machine maintenance; including but not limited to preventive maintenance, removing/replacing heater bands, changing machine barrels, and inspecting and replacing defective machine parts.
  • Determines scheduling, materials, and tools required to complete work orders on time.
  • Conducts first article inspections; requires verifying dimensional measurements against the work order for accuracy. Makes adjustments as necessary.
  • Separates and counts parts as they come off the machine.
  • Cross-trains and acts as a backup to the extrusion department as needed.
  • Other duties as assigned.

 

Education and Experience

This position requires a High School Diploma or GED equivalent with 8 years running injection molding machines in plastics.  Should have previous experience in a fast-paced manufacturing environment.

 

Knowledge, Skills, and Abilities
  • Ability to communicate with all levels of the organization effectively in English both written and verbal
  • Should have a high level of mechanical aptitude with the ability to run injection molding machines
  • Must be able to run CPU data set-up programs either by entering manually or from a disc
  • Extensive knowledge of plastic material including working with high-temperature plastic materials
  • Must have a high level of attention to detail and the ability to multitask
  • Must have basic math skills to read and process work instructions as well as the ability to solve practical problems.
  • Ability to diagnose and resolve injection molding machine problems
  • Must have demonstrated the ability to effectively operate multiple (as many as 7) machines simultaneously
  • Must have the ability to read and understand blueprints and work instructions
  • Knowledge of materials and material requirements
  • Must have knowledge of the nonconforming material procedure
  • Ability to run Applied Stats software for SPCs
  • Must be able to effectively use QC equipment (i.e., micrometer, caliper, optical comparator)
  • Knowledge of machining techniques and methods
  • Ability to be self-motivated and work with minimal supervision
  • Must have a basic understanding of Microsoft Office, specifically Word, Excel, and Access

 

Work Environment/Physical Demands/Equipment Used

This position is located in a manufacturing facility which requires prolonged sitting, standing, walking, squatting, twisting, bending, and reaching throughout an entire ten-hour or eight-hour shift.  Must be able to move and handle varying-sized products in bags and/or boxes in a dirty, dusty, and noisy environment.  Requires lifting up to 25 lbs. 

 

Health and Safety – PPE Requirements
  • Safety Glasses are to be worn at all times when on the production floor

Salary.com Estimation for Injection Molding Operator in Louisville, CO
$48,911 to $61,988
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