Advanced Mill CNC Machinist

APM Manufacturing•Orange, CA

6d•$35 - $45

About The Position

The CNC 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. The 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. The role includes independently setting up, operating, and optimizing complex CNC and/or multi-axis milling machines; interpreting complex engineering drawings, blueprints, and GD&T requirements; developing setup strategies; selecting tooling; and designing or modifying fixtures as needed. The machinist performs first article, in-process, and final inspections in accordance with AS9100 and customer specifications, typically holding aerospace tolerances of ±.0002”–±.0005”. The position also troubleshoots advanced machining, tooling, and process issues, edits G-code at the machine, recommends process improvements, collaborates with Manufacturing Engineering, and trains and mentors Mill Machinist I and II team members. It requires maintaining accurate production, inspection, and traceability documentation and following safety, quality, and regulatory requirements, including ITAR if applicable. Compensation is listed at $35–$45 per hour.

Requirements

High school diploma or GED required.
5–8+ years of milling experience in a precision manufacturing environment.
Advanced knowledge of CNC controls such as Fanuc, Haas, or Mazak.
Strong proficiency in GD&T and complex blueprint interpretation.
Demonstrated ability to troubleshoot and optimize machining processes.
High proficiency with precision measurement tools and inspection techniques.

Nice To Haves

Technical degree or apprenticeship preferred.
Aerospace experience strongly preferred.
Experience with multi-axis machining; 4-axis or 5-axis experience preferred.

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 or modify fixtures as needed.
Perform first article, in-process, and final inspections in accordance with AS9100 and customer specifications.
Hold tight tolerances typical in aerospace applications (±.0002”–±.0005”).
Troubleshoot advanced machining, tooling, and process issues to improve efficiency and reduce scrap.
Make G-code program edits at the machine 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, including ITAR if applicable.
Maintain accurate production, inspection, and traceability documentation.