Precision CNC Machining Instructor

Precision Machining Instructor / Senior CNC Machining Trainer - Aerospace & Defense Manufacturing setting

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

Shift: Full time, day shift

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.

• 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.

• 7+ 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.

• Work 40+ hours per week in a fast‑paced, high‑demand quality environment.
• Strong verbal and written communication skills.
• Good problem‑solving skills.

The Company is an 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 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