CNC Machinist

Full Time
Olive Branch, MS
Posted 9 months ago

The CNC Level III Operator produces parts by operating and monitoring a computer numerically controlled (CNC) machine. He/she monitors part production to ensure the part meets quality assurance standards and drawing specification standards and informs his or her supervisor immediately when problems or defects are found. The CNC Level III Operator is compliant with all the requirements of a CNC Level I & Level II Operator plus has the ability to read, interpret and edit programs, G&M codes, tool offsets, and speeds & feeds. He/she also possesses the ability to set up a job from start to finished part without assistance.


Essential Duties

  1. The CNC Level III Operator is responsible for the setup and operation of CNC machines which includes CNC mills, CNC lathes, and CNC 5-axis mill-turns.  He/she performs the requirements of a CNC Level I & Level II Operator plus the following tasks:
  • Interpret drawings, sketches, job orders, and related technical data for product specifications such as dimensions, tolerances and tooling instructions etc. Reads and interprets Mazatrol programs, G&M codes, tool offsets and speeds and feeds.
  • Adjusts offsets and program origins to different job setup specifications
  • Makes fixtures and holding devices for CNC mills and lathes
  • Sets up and operates CNC Laser including program changes and quantity editing.
  • Assists with training of Level I and II Operators as directed.

Environment and Physical Activity

The environment for this position is an open production area that may be subject to weather conditions including extreme heat – temperatures can potentially rise to 100 degrees or more for periods of more than one hour; noise that is sufficient to cause the worker to shout in order to be heard above the ambient noise level; hazards including working close to moving mechanical parts, electrical currents, exposure to chemicals and working at elevated levels.  The worker may be subject to fumes, odors, dust or mists. 

In the course of performing the duties of the position, the worker spends time speaking, listening, lifting (up to 85 pounds), carrying, sitting, pulling, pushing, walking, squatting, kneeling, reaching, and standing for prolonged periods. Safety awareness and compliance with safety regulations are vital. Workers must wear special safety equipment such as masks, gloves, and work boots.

This position may be required to operate any or all of the following general office equipment including copy and fax machines, calculators, personal computers and related printers.


Mental Demands

The incumbent in this position must be able to: read and write, interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals; perform simple mathematic calculations including add, subtract, multiply and divide in all units of measure, using whole numbers, common fractions and decimals; perform analytical reasoning, handle multiple, concurrent tasks and interact professionally with clients and staff.


Position Requirements

These specifications are general guidelines based on the minimum experience normally considered essential to the satisfactory performance of this position.  The requirements listed below are representative of the knowledge, skill, and/or ability required to perform the position in a satisfactory manner. Compliance with the CNC Level I requirements and the following:

  • High School Diploma or Technical certificate from an accredited school; 3 years of experience in a manufacturing environment with a minimum of 2 years CNC experience; or 6 months experience in the role of an Arnott CNC Level II Operator.
  • Advanced knowledge of precision measuring instruments and the application of such instruments. Instruments should include but not limited to calipers, ID and OD micrometers, depth gages, indicators and height gage.
  • Advanced knowledge of reading drawings and specifications with a basic understanding of geometric tolerances and dimensions.
  • Advanced knowledge of tool holders, cutting tools (drills, end mills etc.), boring bars, fixtures, inserts and other accessories used on various machines.

The intent of this job description is to provide a representative summary of the essential functions that will be required of positions given this title and should not be construed as a declaration of specific duties and responsibilities of any particular position. Employees will be assigned specific job-related duties through their hiring departments. Specific job-related duties assigned by hiring departments shall be consistent with the representative essential functions listed above and shall not be construed as expanding a particular position’s role, scope, FLSA status, or grade.

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Olive Branch, MS



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