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CNC MILL MACHINIST lll
APM Manufacturing · Orange, CA, United States
About The Role
The Mill Machinist III is a senior-level machinist responsible for complex CNC and/or manual milling setups, advanced troubleshooting, and manufacturing high-precision aerospace components. This position operates with minimal supervision and serves as a technical resource and mentor to junior machinists while ensuring compliance with aerospace quality and regulatory standards.
Essential Duties and Responsibilities
- Independently set up, operate, and optimize complex CNC and/or multi-axis milling machines.
- Interpret complex engineering drawings, blueprints, and GD&T requirements.
- Develop setup strategies, select tooling, and design/modify fixtures as needed.
- Perform first article inspections (FAI), in-process, and final inspections in accordance with AS9100 and customer specifications.
- Hold tight tolerances (±.0002”–±.0005” typical in aerospace applications).
- Troubleshoot advanced machining, tooling, and process issues to improve efficiency and reduce scrap.
- Make program edits at the machine (G-code) and recommend process improvements.
- Collaborate with Manufacturing Engineering on process development and continuous improvement initiatives.
- Train and mentor Mill Machinist I and II team members.
- Ensure compliance with safety standards, quality systems, and regulatory requirements (e.g., ITAR if applicable).
- Maintain accurate production, inspection, and traceability documentation.
- Advanced knowledge of CNC controls (e.g., Fanuc, Haas, Mazak).
- Strong proficiency in GD&T and complex blueprint interpretation.
- Experience with multi-axis machining (4-axis/5-axis preferred).
- Demonstrated ability to troubleshoot and optimize machining processes.
- High level of proficiency with precision measurement tools and inspection techniques.
Education/Experience
- High school diploma or GED required; technical degree or apprenticeship preferred.
- 5–8+ years of milling experience in a precision manufacturing environment; aerospace experience strongly preferred
- Dental insurance
- Employee assistance program
- Flexible spending account
- Health insurance
- Health savings account
- Life insurance
- Paid time off
- Professional development assistance
- 401 k with Employer Match
- Tuition reimbursement
- Vision insurance
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