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, workholding, 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

• Employment will be contingent on clearing a drug screen and background check. Both must clear prior to start date.
• Candidates responding to this posting must currently possess the eligibility to work in the United States. No third parties please.