CNC Machine Operator (3rd Shift)

Certified PowerTrain; Elkhorn (WI); On-site; USD 28,000 - 39,000; Full time

Job summary

Certified PowerTrain in Wisconsin is seeking an experienced CNC Machine Operator to operate production machines, set up tooling, and verify parts against engineering drawings. The role emphasizes quality, safety, and productivity in a fast-paced environment.

You will document production data, support maintenance, and contribute to process improvements through fixturing and tooling enhancements. English proficiency and at least one year on CNC lathes and mills are required.

Qualifications

• Minimum of 1 year hands-on experience operating CNC lathes and mills (horizontal and vertical).
• Proficient in reading, writing, and communicating in English.
• Ability to document production data and quality metrics accurately.

Responsibilities

• Operate CNC machines, set up tooling, check inserts, and deburr parts.
• Manufacture components per engineering prints and specs.
• Perform quality inspections to ensure parts meet standards.
• Document quality data and production metrics for reporting.
• Support maintenance by performing routine checks and reporting issues.
• Maintain clean, safe work environment per policies.
• Review schedules, prepare equipment, and assist in process improvements.

Skills

CNC Programming Proficiency

Blueprint Reading

Precision Measurement

Quality & Compliance Awareness

Job description

Description

JOB PURPOSE or JOB SUMMARY:

To operate CNC production machines and ensure that manufactured parts meet all quality and print specifications, supporting efficient and accurate production.

The CNC Machine Operator is responsible for operating and overseeing production machinery, verifying part compliance with engineering drawings, and maintaining high standards of quality and productivity. This role also fosters a positive team environment by demonstrating integrity, encouraging collaboration, and promoting accountability throughout daily operations.

ESSENTIAL DUTIES and RESPONSIBILITIES:

• Operate CNC machines efficiently, including setting up tooling, checking inserts, making offsets, and deburring finished parts.
• Manufacture components accurately according to engineering prints and specifications.
• Conduct quality assurance inspections to ensure parts meet required standards.
• Accurately document quality data and production metrics for reporting and continuous improvement.
• Support preventive maintenance efforts by performing routine checks on CNC machines and promptly informing maintenance staff of any potential issues or abnormalities to help minimize downtime and ensure optimal performance.
• Maintain a clean, organized, and safe work environment in compliance with company policies.
• Review production schedules, prioritize tasks, and prepare equipment and materials for daily operations.
• Conduct light corrective maintenance on machinery to address minor issues promptly.
• Safely handle materials and components throughout the production process.
• Contribute to process improvement initiatives, including the development and implementation of new fixturing and tooling solutions.

Individuals in this role must be able to perform the essential duties and responsibilities listed above. Reasonable accommodation may be provided to enable individuals with disabilities to perform the essential functions of the position.

COMPETENCIES:

• CNC Programming Proficiency
  Demonstrates a basic understanding of both Mazatrol and G-code programming languages, with the ability to interpret, edit, and troubleshoot as needed.
• Blueprint Reading & Interpretation
  Accurately reads and interprets engineering drawings, part specifications, and geometric dimensioning and tolerancing (GD&T).
• Precision Measurement & Gauging
  Effectively uses standard inspection tools such as micrometers, bore gauges, calipers, and height stands to verify part conformity.
• Quality & Compliance Awareness
  Maintains a working knowledge of Statistical Process Control (SPC) principles and ISO quality system requirements, supporting consistent adherence to standards.

PHYSICAL AND MENTAL DEMANDS:

• Experienced in safely handling and loading parts exceeding 500 pounds using overhead cranes or hoists.
• Physically capable of lifting up to 50 pounds as part of regular job duties.
• Able to perform repetitive tasks with attention to detail and consistency.
• Maintains a clean, organized, and safe work environment in compliance with safety standards.

The physical and mental demands outlined represent those necessary for an individual to successfully perform the essential functions of this position.

WORKING ENVIRONMENT:

The work environment characteristics outlined above reflect those an individual may encounter while performing the essential functions of this role.

Requirements

• Minimum of 1 year of hands-on experience operating CNC lathes and mills, including both horizontal and vertical machining centers (preferred).
• Proficient in reading, writing, and communicating effectively in English.
• Skilled in documenting production data and quality metrics accurately and consistently, using appropriate reporting tools or systems.