Precision Machining Instructor

CMI Group Aerospace & Defense•Phoenix, AZ

2d•Onsite

About The Position

The Precision Machining Instructor / Senior CNC Trainer is responsible for developing and delivering comprehensive technical training programs for prospective CNC machinists. You will mentor new hire trainees and existing staff in the operation and optimization of mills and lathes, blueprint reading, quality inspection, quality inspection & deburring techniques, and meticulous documentation processes.

Requirements

7+ years of advanced CNC machining (mills/lathes) and using various precision hand tools and measuring instruments.
Deep understanding of safety expectations, documentation accuracy requirements, and high-precision quality control.
Employees must be able to meet the US Person requirement.
All candidates must be able to work 40+ hours per week in a fast paced, high-demand, quality environment.
All candidates must also have sufficient verbal and written communication skills as well as good problem solving skills.

Nice To Haves

Proven track record of mentoring or formal instruction in a CNC machining setting preferred.
Strong ability to translate complex technical concepts into easy-to-understand instructions for diverse learning styles.

Responsibilities

Curriculum Development: Create and update standardized training process, setup sheets, and visual aids.
Safety Training: PPE Compliance Machine Guarding Lockout/Tagout Material Handling Fire prevention and emergency responses
CNC Technical Instruction: Lead hands-on training for operation of CNC mills and lathes, including basic tool offsets, G-code/M-code, tool wear recognition, basic machine troubleshooting.
Quality & Inspection: Instruct on the importance of First Article Inspections, ensuring every dimension of a new part is verified before full production. Non-Conformance training FOD awareness
Blueprint Reading & GD&T: Teach workforce to interpret engineering drawings and apply Geometric Dimensioning and Tolerancing (GD&T) to ensure part compliance.
Documentation & Paperwork: Train the workforce on ERP usage, filling out inspection reports, production logs, and maintaining records for quality standards.
Post-Machining Processes: Train operators on precision measuring instruments (micrometers, calipers, bore gauges) to verify tight tolerances. Instruct on proper deburring, polishing, and finishing techniques to meet surface finish requirements without compromising part integrity.