CNC Programmer

About the Opportunity

CalTek Staffing is working with a long-standing U.S. manufacturer of high-performance machinery used in aerospace, defense, naval, oil/gas infrastructure, and industrial automation. ISO-certified and vertically integrated, the company handles everything in-house—from castings to CNC machining to final assembly. They are seeking a senior CNC Programmer for their City of Industry/Rowland location to support a high-mix, low-volume machining environment focused on custom, precision parts..

Position Summary

The Senior CNC Programmer will be responsible for developing, optimizing, and troubleshooting CNC programs for a variety of mills and lathes used in the production of precision motor components. This position requires a strong background in Mastercam software, G-code proficiency, and a deep understanding of machining castings and complex geometries in low-volume settings. You’ll work closely with machinists, engineers, and production leadership to ensure high-efficiency setups and exceptional part quality.

Key Responsibilities

• Program CNC equipment using Mastercam
• Support a range of machine types, including:
  • 3-axis vertical mills (e.g., HAAS)
  • 4-axis horizontal mills (e.g., Mazak, OKK)
  • 2-axis and live-tool lathes (e.g., Mori Seiki, PUMA – C & Y axis)
  • 3+2 positioning-based 5-axis applications
• Read and interpret technical drawings, blueprints, and CAD models
• Select tooling, speeds, and feeds appropriate for each material and part spec
• Perform trial runs and adjustments to validate program accuracy and efficiency
• Collaborate with machinists and engineers to resolve manufacturing issues on the floor
• Modify and edit G-code at the machine when needed; Fanuc Macro B proficiency a plus
• Work with castings and non-billet raw stock to develop robust workholding and strategies
• Maintain clear documentation and version control of all CNC programs
• Support continuous improvement initiatives related to tooling, programming, and process flow

Qualifications:

• Minimum of 8 years of experience in CNC programming and operation.
• Proficiency in Mastercam Mill and Lathe
• Proficiency w/ G&M Codes – Ability to read, modify, or troubleshoot a program
• Strong understanding of machining processes, materials and tooling.
• Ability to read and interpret technical drawings and blueprints.
• Excellent communication and teamwork skills.
• Ability to work independently and manage multiple tasks effectively.

Feel free to follow up on your resume submission with an email to kevin.w@caltekstaffing.com and I’ll get back to you within an hour or so!