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CNC MILL MACHINIST lll

APM Manufacturing · Orange, CA, United States

Machine OperationImported listingfull-timeabout 18 hours ago

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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