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CNC Machinist- Setup and Trouble Shooter

Confidential

Arleta, California permanent

Posted: April 3, 2026

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Quick Summary

Sets up a variety of CNC machines utilizing knowledge of machines, tooling, materials and programs. Troubleshoots CNC operations to ensure optimal performance and quality.

Job Description

Superior Thread Rolling Co. has been an industry leader in the Aerospace and Precision Machining business for over 70 years. We lead by developing "out-of-the-box" solutions to the constant changes in quality, administration, lean processes, and state-of-the-art technical systems required by Aerospace prime contractors and their supply chain.  We strongly believe that the true reason behind our success is due to our loyal and dedicated team.

POSITION SUMMARY:

CNC Machinist will Sets up a variety of CNC machines utilizing knowledge of machines, tooling, materials and programs.  Troubleshoots and operates numerical control machines or machining centers to perform various functions, such as cutting, drilling, milling, reaming, boring, and broaching of metallic and nonmetallic work pieces, utilizing knowledge of machine tool capabilities, machinability of materials, and shop math.  Able to do all setup, editing, offsetting and troubleshooting with no assistance from supervisor.

Our work schedule for this position is 6:30AM to 3:00 PM

ESSENTIAL JOB FUNCTIONS:

•    Setup all cell machines, establish efficient tool strings, and efficiently manage production.
•    Troubleshoots jobs in progress on machine when problems such as tool life, tolerance problems, finish problems and program problems occur.
•    Edits and adjusts program at machine if needed and approved.  Saves adjusted program into CAD/CAM memory at end of run.
•    Fills out Setup/Program sheet and maintains CNC file by part number.
•    Reads and interprets blueprints, planning sheets, sketches, and related technical data to determine tooling requirements, setup procedures, control settings, and machining methods and sequences.  
•    Mounts, aligns, and secures tooling, attachments, and work piece on machine.  
•    Selects and installs cutting tools in machine spindle.  
•    Loads programs in machine controller or enters commands to retrieve preprogrammed instructions from data base.  
•    Calculates and sets machine controls to position spindle in relationship to work piece and to regulate factors, such as cutting depth, speed, feed and coolant flow.  
•    Starts machine and monitors displays and machine operation to detect malfunctions.  
•    Stops machine to change cutting tools and setup according to required machining   sequence or to measure parts for conformance to blueprint specifications, using   precision measuring instruments.  
•    Enters commands or manually adjusts machine controls to correct malfunctions or out of tolerance machining.  
•    Showing up on time and staying full shift to ensure set-up efficiency and to stay on schedule
•    Operates machine manually to perform non-automated functions and when automatic programing is faulty or machine malfunctions.  
•    Discusses control media errors with supervisor or programming personnel to resolve problems.  
•    Cleans machine, tooling, and parts.  
•    Performs machine maintenance.
•    Communicates with co workers and supervisor to receive instructions and coordinate activities.
•    Inspects and measures parts to maintain statistical process control charts.

JOB QUALIFICATION REQUIREMENTS:

5 + years' experience 

Independently setup and run a group of machines efficiently

Trouble shooting experience Required

Able to read and use Inspection Tools 

Micrometers, Calipers, Comparators, Surface plate, bore gages, thread gage. 

Experience operating the following machines is desirable:

Mori Seiki Duraturn 2550

Mori Seiki Duraverticle 5060

Mori Seiki NLX 3000

Mori Seiki SL4

Samsung SL40

Samsung SL2500SY

Samsung SL2000

Haas VF-2 & VF-4

Fanuc Controls

Company Benefits:

Medical,

Dental

Vision

Holidays, Vacation & Bonuses

401(k) with matching company funds (Full Time Employees).

Superior Thread Rolling is a smoke-free and drug-free workplace. All prospective candidates are subject to a pre-employment drug test and background check.

We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation, gender identity or any other characteristic protected by law.

To conform to U.S. export control regulations, requirements of this position include being eligible to work with export-controlled products and related data without restriction.

Keywords: CNC Machinist, Inspection, Aerospace, Manufacturing, CNC operator, CNC Lathe Setup, Trouble shoot, Cell Lead, Manufacturing, Lathe, Fanuc Controls, Haas, Mori Seiki, Fanuc Controls

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