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CNC Machine Operator A

Job title: CNC Machine Operator A

Department: Machine Shop

Work hours: 2nd shift: 3:00 pm to 1:30 am (Monday - Thursday); mandatory overtime may be required; training on 1st shift 6:30 am to 3:00 pm

Compensation: Based on experience; $20 minimum and $0.50 shift premium

Posting date: May 2017

Summary of responsibilities:

Sets up and operates numerical control machine to cut, shape, or form metal work pieces to specifications by performing the following duties.

Essential duties and responsibilities include the following. Other duties may be assigned.

  • Reviews setup sheet and specifications to determine setup procedure, machining sequence, and dimensions of finished work piece.
  • Attaches fixture to machine bed and positions and secures work piece in fixture according to setup instructions.
  • Locate fixture offsets using indicators, edge finders, or probe system.
  • Assembles cutting tools in tool holders and positions tool holders in machining spindles as specified or inserts cutting tools in specified machine magazines.
  • Loads control media such as disk, tape, or other in machine control console or enters commands to retrieve pre-programmed machine instructions from data base.
  • Manipulates controls and enters commands to index cutting tool to specified set point and to start machine.
  • Observes and listens to machine operation to detect malfunctions such as worn or damaged cutting tools.
  • Changes cutting tools and location of work piece during machining process as specified in setup instructions. 
  • Measures work piece for conformance to specifications using calipers, micrometers, height gauges, etc.
  • Notifies supervisor of discrepancies.
  • Diagnoses program or machine discrepancies and takes corrective action by making offset or other changes to numerically controlled program.
  • Adjusts machine feed and speed and changes cutters to machine parts according to specifications when automatic programming is faulty or machine malfunctions.
  • Machines materials other than metal such as composites, plastic, and rubber.
  • Maintains and records accurate count of work pieces produced and personal hourly attendance data.
  • Practices safe work habits, maintains in good order, and wears all issued personal protective equipment in the work place. 

Education and/or experience

One year certificate from college or technical school; or greater or less than six months related experience, and/or training; or equivalent combination of education and experience.

Experience on Mazak and Mori Seiki a plus!

Possess a valid forklift driver's license or is capable of obtaining one.

Certificate, licenses, registrations

Plus for candidates with successful completion of approved trade-related apprenticeship program resulting in journeyman status or successful completion of a course of study at an approved technical institution resulting in a diploma or degree in machine tool operation.


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. the requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Supervisory responsibilities

This job has no supervisory responsibilities.

Language skills

Ability to read and interpret documents such as safety rules, operating and maintenance instructions, ad procedure manuals. Ability to write routine reports and correspondence. Ability to speak effectively before groups of customers or employees of organization.

Mathematical skills

Ability to calculate figures and amounts such as inch/metric conversions, addition/subtraction, multiply, and divide fractions and decimals. Ability to apply concepts of basic algebra and geometry.

Reasoning ability

Ability to solve practical problems and deal with a variety of concrete variables in situations where only limited standardization exists. Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form.

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

While performing the duties of this job, the employee is regularly required to stand. The employee frequently is required to talk or hear. The employee is occasionally required to walk. The employee must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.

Work environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essentials job functions.

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

Competence, awareness, and training

Competence, awareness, and training for probationary employees will be assessed by the "New Employee Checklist", and the evaluations conducted at 30, 60, and 90 days, along with other training as needed. Competence, awareness, and training for regular employees will be assessed when annual evaluations are conducted, along with other measurements in accordance with the area the employee is assigned to.

Baker Manufacturing Company, LLC. is an Equal Opportunity Employer.


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