Senior CNC Machining Trainer - Aerospace & Defense Manufacturing setting 

Location:  3617 E La Salle St, Phoenix, AZ 85040

Shift:  Full time, day shift

Job Summary

The 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.

Key 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.

Required Qualifications

• 10+ years of advanced CNC machining (mills/lathes) and using various precision hand tools and measuring instruments.
• 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.
• Deep understanding of safety expectations, documentation accuracy requirements, and high-precision quality control.
• CMI Group is an ITAR regulated facility. Employees must be able to meet the US Person requirement.

Team oriented company with top paying wages and benefits in the valley in regards to the Aerospace Industry. To qualify for consideration, 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.

The Company is equal opportunity employer providing competitive wages and benefits. Medical, dental, vision, disability and life insurance available. 401(k) with company match.

This is an equal opportunity employer and will not discriminate against any employee or applicant due to age, race, disability, veteran status, religion, sexual orientation, gender or any other protected classification. VEVRAA federal subcontractor. This company provides provide equal employment opportunities to applicants without regard to race, color, religion, gender, age, national origin, or disabilities in compliance with federal and state laws including:

• The Civil Rights Act of 1964 as Amended
• Age Discrimination Act of 1967 as Amended
• Rehabilitation Act of 1973
• Vietnam Era Veterans Readjustment Act of 1974
• Americans with Disabilities Act Amendment Act of 2009 (ADAAA)
• The Wagner-Peyser Act as Amended.
• The Workforce Innovation and Opportunity Act
• Fair Credit Reporting Act, 15 U.S.C. 1681 et seq