Computer Numerical Control Programmer

CNC Programmer / Setup Machinist – Mastercam

ABC Sheet Metal / Steeldyne Industries
, an AS9100 and ITAR-certified aerospace manufacturer in Anaheim, California, is seeking an experienced CNC Programmer / Setup Machinist with advanced Mastercam skills.

This is a hands-on programmer/operator role
, not a programming-only position. The ideal candidate is comfortable working directly at CNC machine controls and can take a part from print or CAD model through programming, setup, prove-out, troubleshooting, and production release. This role supports precision aerospace and defense machining environments where accuracy, efficiency, and process control are critical.

• Program CNC mills using Mastercam for 3-axis, 3+2, and simultaneous 5-axis machining
• Set up CNC machines, prove out programs, and support production runs
• Work directly at machine controls to troubleshoot and refine processes
• Read and edit G-code safely for troubleshooting and optimization
• Develop machining strategies for complex aerospace components
• Select and optimize tooling, cutting parameters, speeds, feeds, and chip control
• Design and improve fixtures, soft jaws, and work holding solutions
• Review blueprints, CAD models, GD&T, and customer requirements
• Create setup sheets, tooling lists, and work instructions
• Support First Article Inspection (FAI) and in-process quality checks
• Collaborate with engineering, quality, and production teams to resolve issues
• Drive continuous improvement in cycle time, setup time, tool life, and scrap reduction

• 8+ years CNC machining, setup, or milling experience
• 5+ years Mastercam programming experience
• Strong experience with 3-axis and 5-axis CNC milling
• Experience with 3+2 and/or simultaneous 5-axis machining
• Hands-on CNC setup, prove-out, and production support experience
• Strong G-code knowledge with ability to troubleshoot at the machine
• Ability to read blueprints, CAD models, and GD&T
• Strong understanding of tooling, machining strategies, and work holding
• Experience in aerospace, defense, or other high-precision manufacturing environments
• Ability to work directly at CNC machine controls (not a desk-only role)

• Haas CNC mills and Haas controls experience
• AS9100 manufacturing environment experience
• Solid Works for model review and support
• Macro B programming knowledge
• Post-processor editing experience
• Mastercam certification or NIMS credentials

• Work on precision aerospace and defense components
• Hands-on role combining programming, setup, and machining responsibility
• Direct influence on tooling, fixturing, and manufacturing processes
• AS9100 and ITAR-certified production environment
• Opportunity to own work from programming through production release
• Culture focused on quality, accountability, and continuous improvement

ABC Sheet Metal / Steeldyne Industries is one of Southern California's most diversified metal fabrication and precision manufacturing companies, serving aerospace, defense, medical, transportation, electronics, and industrial customers. We are committed to quality, precision, accountability, and continuous improvement.