Machine Operator

Trelleborg is a world leader in engineered polymer solutions for almost every industry on the planet. And we are where we are because our talents brought us here. By specializing in the polymer engineering that makes innovation and application possible, Trelleborg works closely with leading industry brands to accelerate their performance, drive their business forward—and along the way, shape the industry and progress that will benefit humankind in the exciting years ahead. Our people are Shaping Industry from the Inside. Why don´t you join us? 


USA - Streamwood, IL
Last application date 2023-01-02 Location: USA - Streamwood, IL

Summary of Role

The CNC Machinist operates computer numerical control machines to fabricate parts. The CNC Machinist loads parts in the machine, cycles machine and detects malfunctions in machine operations, such as worn or damaged cutting tools. The position runs production lots, communicates with co-workers regarding productions runs, and maintains a safe, organized, and clean work environment.


Essential Functions

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

CNC Programmer/ Machinist A (Advanced Level)

  • Requires significant process expertise and experience, the use of independent judgement, and the ability to work with no supervision.
  • Create new and modify all required complex CNC machining programs with no supervision, determine processing methods, tooling needs and tool feed and speeds for most efficient and cost-effective operation.
  • Program CNC machines with the CAM software, if required in your area.
  • Uses manual lathes, mills, and grinders to make new and modify existing tools, if required in your area.
  • Must demonstrate proficiency on at least four different work centers.
  • All essential functions listed below.

CNC Machinist A (High Middle Level)

  • Create new and modify existing moderately complex CNC machining programs with no supervision, determine processing methods, tooling needs, and tool feed and speeds for most efficient and cost-effective operation.
  • Design tools and fixtures as necessary to meet machining needs and to improve existing and for new operations.
  • Standardize tooling usage in department as feasible.
  • Must demonstrate proficiency on at least three different work centers
  • All essential functions listed below.

CNC Machinist/Machine Operator B (Low Middle Level)

  • Modify existing simple CNC machining programs with minimal supervision, and/or set up automated equipment, determine processing methods, tooling needs and tool feed and speeds for most efficient and cost-effective operation.
  • Set up equipment, install tools and fixtures, make machine control settings, run first piece sample parts, check for required specifications and run job.
  • Select, load and test program, modify program and make necessary machine feed, speed and axis point adjustments.
  • Review production schedule, work orders and related paperwork to plan CNC equipment setups, pull machine tools as specified and insert in tool holders.
  • Troubleshoot problems, respond to alarm, retrace program to locate problem and make necessary corrections.
  • Replace, reset and sharpen tools when necessary.
  • Must demonstrate proficiency on at least two different work centers.
  • All essential functions listed below.

Machine Operator C (Entry Level)

  • Reads routing and performs work as assigned by department supervisor or lead person.
  • Runs production machines including but not limited to: lathes, mills, saws, vibration deburring machines, printers, etc…
  • Pack finished goods into correct packages and cartons in all departments.
  • Assembles parts.
  • Runs Injection Mold Machines as needed.
  • Monitor machine operation and check parts throughout run and make necessary adjustments to ensure part specification and quality standards are maintained.
  • Use measuring devices such as micrometers, calipers, ring gauges, and pi tape; all employees are responsible for their own quality.
  • Accurately report work order completions, material issues, and scrap into the ERP system.
  • Self-starter who can work with minimum supervision.
  • Maintain a clean and safe work area.
  • Notify supervisor of any safety, quality, mechanical or material issues.


  • Thoroughness
  • Teamwork Orientation
  • Time Management
  • Technical Capacity



  • Employee must wear Personal Protective Equipment at all times.
  • No jewelry or loose clothing.
  • Must follow established Safety Procedures.


Work Environment

While performing the duties of this job, the employee is frequently exposed to fumes or airborne particles, moving mechanical parts and vibrations.  The noise level in the work environment can be loud.


Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle, or feel; and reach with hands and arms.  The position involves sitting, walking and lifting less than 20 pounds for long periods of time throughout the day.  Must be able to lift up to 50 pounds infrequently.  When lifting anything the employee feels in beyond their capacity, or anything in excess of 50 pounds, the employee is required to use a lifting aid, such as a crane or lift table, or request assisting in lifting from another employee.


Position Type/Expected Hours of Work

This is a full-time position, and hours of work and days of work are Monday through Thursday, 5:00 a.m. to 3:30 p.m. for the day shift, and 3:15 p.m. to 1:45 a.m. for the 2nd shift.  Shift schedules may vary depending on business needs. Overtime typically occurs on Fridays and Saturdays.


No travel is expected for this position.


Required Education and Experience

At least three of the preferred requirements listed below.


Preferred Education and Experience

  • High school diploma or GED
  • National Institute of Metalworking Skills (NIMS) Machinist Certification
  • Other related certifications will be considered
  • CNC Machinist technical training
  • Good blueprint reading skills
  • Good shop math skills
  • Ability to read and write English
  • 3-5+ years’ experience in a production and/or machining environment for a mid-level or advanced level position


Work Authorization

Must be authorized to work in the United Sates


Other Duties

Please note that this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job.  Duties, responsibilities, and activities may change at any time with or without notice.



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