CNC Machinist

Posted Yesterday
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Irwindale, CA, USA
In-Office
28-35 Hourly
Junior
Industrial
The Role
Operate, set up, program, and maintain CNC machines across three skill levels. Inspect parts using precision measuring tools, follow safety and 5S standards, perform preventive maintenance, troubleshoot G/M code and machine issues, create programs (MasterCAM/Esprit) and fixtures (Level III), and train less-experienced operators.
Summary Generated by Built In

Essential Duties & Responsibilities:

Level I:                                                       

  • Basic operation of multiple CNC machines: Touch off tools when consumables are changed, Change out consumable tooling (ex. Drills, end mills, inserts), Make tool offset changes to ensure parts are to print.
  • Ensure quality by using various measuring tools such as calipers, height gauges, micrometers, thread and plug gauges, Profilometers, and comparators to inspect and measure machined parts.
  • Perform weekly preventive maintenance on the machine shop equipment by oiling, greasing, and making sure that they are working properly.
  • Determine and implement appropriate action in problem situations to include equipment and infrastructure problems.
  • Monitor workflow to assure quality by following written procedures.
  • Keep work area and equipment clean and orderly (5S Standard).
  • Work in a safe manner and follow safety rules and procedures to ensure personal safety and safety of co-workers.
  • Perform other duties as assigned.

Level II:

In addition to Level 1 Essential Duties & Responsibilities

  • Understand G and M Codes, trouble shoot code for issues.
  • Install and maintain commonly changed components and tools.
  • Perform full basic CNC setups on all machines and ability to setup all jobs on the CNC Lathes (Fanuc/Haas Controller).

Level III:

In addition to Level I & II Essential Duties & Responsibilities

  • Make manual edits to G and M codes, trouble shoot code for issues.
  • Perform full complex CNC setups on all machines (CNC Swiss Turn/Lathe/Mill) and (Heidenhain/Fanuc/Haas Controller)
  • Able to fully train Level I & Level II, and new operators to run and setup CNC machines.
  • Create CNC programs using MasterCAM, Esprit, or Equiv. for various CNC machine types. Including creating setup sheets.
  • Design, program, and machine any work holding fixtures
Required Skills/Abilities:

All Levels:

  • Strong verbal and written communication skills
  • Excellent interpersonal skills
  • Able to identify and resolve problems in a timely manner
  • Demonstrates accuracy and thoroughness
  • Meets productivity standards
  • Observes safety and security procedures
  • Able to perform each essential duty satisfactorily
  • Strong math skills for inputting specific dimensions and figures into the CNC machinery
  • Ability to analyze the information provided on blueprints or other explanatory documents to make sure the final product matches the draft
  • Strong computer skills as CNC Operators use computer software to control machinery
  • Understanding of how the machine works to maintain the machinery for which they are responsible and ensure it functions properly. 
  • Problem-solving skills in order to detect issues in the creation process and find solutions to ensure the machinery creates the product provided in the draft
  • Blue print reading
  • Basic understanding and skills of GD&T (Geometrics, Dimensioning, and Tolerances).
Education and Experience:
  • High school or equivalent

Level II:

  • Certificate of completion in operation of machine shop equipment and measuring tools or recent two years' experience as a machine shop operator level 2.

Level III:

  • Certificate of completion in operation of machine shop equipment and measuring tools or recent two years' experience as a machine shop operator level 3.
Working Conditions / Physical Requirements:
  • While performing the duties of this Job, the employee is regularly required to use hands to finger, handle, or feel; reach with hands and arms and talk or hear.
  • The employee is occasionally required to sit.
  • The employee is frequently required to stand and walk
  • The employee must regularly lift and /or move up to 25 pounds.
  • The employee must frequently lift and /or move up to 50 pounds.
  • Specific vision abilities required by this job include close vision, distance vison, color vision, peripheral vision, depth perception and ability to adjust focus.
  • The employee is regularly exposed to moving mechanical parts
  • The employee is frequently exposed to fumes or airborne particles and toxic or caustic chemical
  • The employee is occasionally exposed to risk of electrical shock
  • The noise level in the work environment is usually moderate

Hourly Range: $28/hr - $35/hr


Please submit your application via the ‘Apply’ button.

Skills Required

  • High school diploma or equivalent
  • Certificate of completion in machine shop equipment and measuring tools or two years' recent experience (Level II)
  • Certificate of completion in machine shop equipment and measuring tools or two years' recent experience (Level III)
  • Ability to operate multiple CNC machines, touch off tools, change consumable tooling, and make tool offset changes
  • Understand and troubleshoot G and M codes; make manual edits (Level II/III)
  • Perform full basic and complex CNC setups on lathes, mills, Swiss turn machines (Fanuc/Haas/Heidenhain controllers)
  • Create CNC programs using MasterCAM, Esprit or equivalent and create setup sheets (Level III)
  • Design, program, and machine work holding fixtures (Level III)
  • Inspect parts using calipers, micrometers, height gauges, thread/plug gauges, profilometers, and comparators
  • Blueprint reading and ability to analyze drawings to ensure final product matches draft
  • Basic understanding and skills of GD&T (geometric dimensioning and tolerancing)
  • Strong math, computer, verbal and written communication, and interpersonal skills
  • Ability to perform preventive maintenance and maintain equipment (oil/grease, basic upkeep)
  • Ability to follow safety procedures, keep work area 5S clean, and meet productivity standards
  • Ability to train Level I and II operators (Level III)
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