gpac | The Recruitment Platform

CNC Programmer (Mastercam / Mazatrol) in Costa Mesa

Date Posted: 22 October 2026

Job Snapshot

Job Description

CNC Programmer (Mastercam / Mazatrol) – Costa Mesa, CA

An established industrial valve manufacturer is hiring a CNC Programmer to create, prove out and maintain CNC programs for machining castings. This is a full-time, onsite role reporting to the Machine Shop Manager.

Pay: $30–$45/hr, depending on experience

Shifts: Day shift 5:00am–1:30pm or Night shift 1:30pm–10:30pm

Responsibilities

  • Write CNC programs in Mastercam and Mazatrol for machining operations on castings, working from engineering designs and specifications
  • Plan processes and setups, choosing optimal cutter paths, speeds and feed rates
  • Select and recommend tooling, and prepare complete setup and operating instructions for CNC machines
  • Run tests on new programs to make sure they are high quality and safe to run
  • Maintain, update and edit all CNC programs and work records
  • Work with the shop floor and other departments as needed

Requirements

  • 2–4+ years of CNC programming with Mastercam for mills and lathes in a production environment
  • Mazatrol programming experience
  • Experience programming operations for castings
  • Strong knowledge of G-code, canned cycles, SFM and material removal rates
  • Able to read engineering drawings, with working knowledge of trigonometry as used in CAD/CAM
  • Hands-on CNC operating experience preferred

Additional Information

  • No relocation assistance
  • Visa sponsorship is not available
  • US candidates only

All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. We are extremely competitive, client-focused and realize that our value is in our ability to deliver the right solutions at the right time.

Subscribe to our blog

DON'T MISS AN EPISODE

SUBSCRIBE NOW
By clicking Send you agree to the gpac privacy policy and Terms of Service and you authorize gpac to contact you regarding gpac’s services at any phone number or email you provide, including via text message using an automated dialing system and/or artificial or prerecorded message.