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CNC Set-Up Programming Machinist

Job in Simi Valley, Ventura County, California, 93063, USA
Listing for: RTC Aerospace
Full Time position
Listed on 2026-03-04
Job specializations:
  • Manufacturing / Production
    Machine Operator, Manufacturing Production
Job Description & How to Apply Below
About RTCA:

At RTCA, we believe in teamwork, excellence, and delivering with pride. One Team! One Mission!

RTCA is a 60-year-old aerospace manufacturer of complex, high-tolerance, difficult-to-machine parts. We have 4 facilities across the nation bringing exceptional cellular manufacturing capabilities and unique engineered solutions to our clients' designed products. We are a company driven by ambitious individuals, working together to become an industry leader in lean-cell manufacturing. Come be a part of something exceptional at RTCA!

How You'll Make an Impact

A CNC Set-Up Programming Machinist oversees operating the computer numerical control (CNC) machine. They produce machined parts according to established parameters and specifications. CNC Operator work alongside many departments such as:
Quality, Engineering, and Operations to produce high-quality products.

What you'll be doing as a CNC Set-Up Programming Machinist:
  • Working a Full-time, onsite position at our Simi Valley, CA location.
  • With limited supervision, performs advanced level machining of parts and tools.
  • Performs in-process inspections of Level I Operators.
  • Verifies conformance of finished work piece to specifications using standard measuring tools
  • Understands and comprehends all forms of technical documents including blueprints and drawings, written specifications, charts, tables, etc.
  • Skillfully uses all machinist hand tools and measuring instruments.
  • Sets up and lays out own work from blueprints, sketches, and written specifications according to requirements.
  • Report job status to the supervisor including any malfunctions, non-conformances, damaged equipment, or other obstacles to production.
  • Ensure the on-time completion of tasks and reviews work for quality and completeness.
  • Sets up machines proficiently for each job
  • Works from prints or drawings to produce a variety of items
  • Produces precision parts within the allocated time listed on job traveler
  • Inspects machining operations and finished products against specified tolerances, using precision measuring tools - Keeps quality records for each job
  • Keeps machinery and tooling in good working order, according to daily, weekly, & monthly maintenance schedule
  • Performs in-process inspections of Level I Operators.
  • Make offset adjustments up to .002.
  • Identify and change worn and broken tools efficiently
  • Troubleshoot minor issues that arise after tool changes and offset adjustments.
  • Provide detailed tie-in notes, address, and avert issues
  • Ability to provide accurate descriptions of issues to higher-level machinist
  • Operate all machines within their Cell
  • Set up many of the common jobs within their Cell
  • Load programs into machines
  • Back programs up to "Machine Dump"
  • Interpret blueprints accurately to make necessary adjustments.
  • Maintains a track record of high-quality work with low rework and scrap history.
  • Maintains high efficiencies and run rates for given machine.
  • Performs other duties as assigned.
Required Qualifications (Education, skills, and experience):
  • At least 3 years of experience in the manufacturing industry with knowledge of speeds and feeds
  • On the job experience operating the following: large vertical boring mills (vbm), Horizontal boring mills (hbm), and/or 6' to 8' work envelopes
  • Properly uses basic measuring tools (calipers, micrometer, indicators, etc.)
  • Able to work independently, responsible, & reliable
  • Working with forgings and castings
  • Proficient blueprint reading skills & trigonometry
  • Proficient with quality tools required to do the job
  • Ability to work independently, follow instructions, concentrate for long periods of time
  • Great work ethics
  • Demonstrate strong attention to detail
  • Mechanically inclined, with good manual dexterity
  • Good writing and verbal communication skills
  • Experience with MS applications
  • Strong skills and aptitude in math
  • Completion of vocational or college training in machine shop (Certificate of completion of basic machining course
Physical Demands:

The physical demands and work environment characteristics described here are representative of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is frequently required to do the following:
  • Ability to lift or move up to 50lbs.
  • Reach forward, up, down and to the side in order to move equipment.
  • Continuous standing and walking throughout the workday.
  • Ability to reach with hands and arms; use hands to manipulate, handle, or feel material.
  • Access, input, and retrieve information from a computer.
Work Environment:

A large percentage of work time is spent in a machine shop where temperatures vary from hot to cold. The environment may also include exposure to noise, dust, fumes, vapor from coolant, etc. Industry standard safety equipment is provided by the Company, and specific notice is posted in areas where safety equipment is required.

Compensation and Benefits:

Employee Benefits: Medical, dental, vision, basic and supplemental life insurance,…
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