CNC Machinist Lead, 3/4-Axis Die-Cast Expert

CHIPTON-ROSS Inc.; Buena Park (CA); On-site; USD 85,000 - 105,000; Full time

Job summary

Chipton-Ross Inc. seeks a seasoned CNC Machinist IV in Buena Park, CA to lead machining cells, drive complex setups, and implement process improvements in a high-volume environment.

Ideal candidates have 8+ years of hands-on CNC experience, strong G-code programming, GD&T mastery, and the ability to mentor junior machinists while coordinating with engineering, quality, and maintenance teams. This full-time role supports 1st and 2nd shifts on site.

Qualifications

• 8+ years of hands-on CNC machining experience, preferably in a die cast or high-volume manufacturing environment.
• Expert-level experience with 3-axis and 4-axis CNC machining centers.
• Strong background machining aluminum and/or zinc die cast components.
• Proven experience leading machine setups, process validation, first-piece approvals, and troubleshooting complex machining issues.
• Advanced working knowledge of CNC programming (G-code), including editing, optimization, and process improvement.
• Ability to read and interpret complex blueprints, GD&T, engineering drawings, and manufacturing documentation.
• Experience analyzing CMM data and implementing corrective actions to improve machining performance.
• Proficiency with precision measuring instruments, advanced inspection techniques, and root-cause analysis.
• Mentor, train, and provide technical guidance to junior machinists and operators.
• Experience supporting production scheduling, workflow prioritization, and cross-functional problem solving.

Responsibilities

• Serve as the technical lead for assigned machining cells, providing guidance and support to Machinist I, II, and III team members.
• Lead complex machine setups, process development activities, and troubleshooting efforts to maintain quality and productivity targets.
• Coordinate with Engineering, Quality, Maintenance, and Production teams to implement process improvements and resolve manufacturing issues.
• Review and optimize tooling strategies, cutting parameters, setups, and machining processes to improve efficiency and reduce scrap.
• Drive continuous improvement initiatives focused on quality, uptime, cycle time reduction, and cost savings.
• Assist in training, onboarding, and development of less experienced machinists and operators.
• Support development and documentation of machining best practices, setup standards, and process controls.
• Act as the escalation point for technical machining issues requiring advanced troubleshooting and process expertise.
• Provide recommendations for equipment, tooling, fixturing, and process improvements to support capacity and productivity goals.

Skills

CNC Machining

3/4‑Axis CNC

G-code Programming

Blueprint GD&T

CMM data analysis

Setup leadership

Problem solving

Mentor machinists

Process improvement

Die-cast machining

Education

Accredited HSD/GED

Tools

CMM

G-code editors

Job description

Chipton-Ross Inc. seeks a seasoned CNC Machinist IV in Buena Park, CA to lead machining cells, drive complex setups, and implement process improvements in a high-volume environment.

Ideal candidates have 8+ years of hands-on CNC experience, strong G-code programming, GD&T mastery, and the ability to mentor junior machinists while coordinating with engineering, quality, and maintenance teams. This full-time role supports 1st and 2nd shifts on site.