CNC Machinist III

Chipton-Ross is seeking a CNC Machinist III for a contract opportunity in Buena Park, CA.

• 5+ years of hands-on CNC machining experience, preferably in a die cast or high-volume manufacturing environment
• Proven experience with 3-axis and 4-axis CNC machining centers
• Strong background machining aluminum and/or zinc die cast components
• Demonstrated experience performing machine setups, first-piece approvals, and in-process inspection
• Working knowledge of CNC programming (G-code); ability to edit and optimize programs
• Ability to read and interpret blueprints, GD&T, and work instructions
• Experience collaborating with Quality teams and responding to inspection and CMM data
• Proficiency with precision measuring instruments and inspection techniques
• Strong sense of ownership, accountability, and analytical problem-solving skills

• Perform hands-on setup, operation, and troubleshooting of CNC machining centers, including 3-axis and 4-axis machines, used for secondary machining of die cast parts
• Machine aluminum and/or zinc die cast components to print specifications and tight tolerances
• Take ownership of assigned machines and processes, ensuring quality, uptime, and stable production
• Set up tooling, fixturing, work holding, offsets, and rotary axis positions
• Perform first-piece, in-process, and final inspections using precision measuring tools to verify part conformity
• Make real-time process adjustments based on in-process inspection results to maintain dimensional control
• Edit, optimize, and troubleshoot existing CNC programs; create simple programs as required
• Work closely with Quality personnel to review inspection findings and analyze CMM data
• Use CMM and quality feedback to refine machining strategies, tooling selection, and offsets
• Identify and proactively resolve machining issues related to casting variation, tooling wear, or machine capability
• Accurately document inspection results, setup parameters, and process changes
• Support continuous improvement efforts focused on quality, scrap reduction, efficiency, and cycle time
• Mentor and support Machinist I and II team members, promoting best practices and a culture of critical thinking
• Follow all safety, quality, and production standards while demonstrating accountability and ownership on the shop floor

• Experience with vertical and/or horizontal machining centers with rotary indexing
• Familiarity with cast-part variation and secondary machining challenges
• Experience in continuous improvement, lean manufacturing, or structured problem-solving
  
  Prior mentoring or training experience

• Accredited HSD/GED

• Full-Time