Aerospace Lapping Machinist — Precision Finisher

CMI Group Aerospace & Defense; Phoenix (AZ); On-site; USD 55,000 - 75,000; Full time

Job summary

CMI Group Aerospace & Defense is seeking a Lapping (Lap) Machinist for its Defense & Aerospace Machine Shop in Phoenix, AZ. The role focuses on precision finishing of aircraft components to micro-inch tolerances, using lapping and grinding processes.

Candidate must have 1–5+ years in aerospace close-tolerance machining, GD&T proficiency, and ITAR compliance. Day shift, 40+ hours weekly, and a team-oriented environment with opportunities for quality-focused work.

Qualifications

• High school diploma or equivalent.
• 1–5+ years in aerospace close-tolerance machining or grinding.
• Solid GD&T understanding.
• Ability to work 40+ hours/week in fast-paced environment.
• U.S. Person per ITAR requirements.

Responsibilities

• Set up and operate lapping, polishing, and honing machines.
• Select and apply correct slurries and polishing media based on specifications.
• Inspect parts with calibrated measuring tools to verify dimensions.
• Read blueprints and CAD models to determine exact product sequences.

Skills

GD&T Proficiency

ITAR Compliance

Close-tolerance Machining

Blueprint Reading

Education

High school diploma or equivalent

Tools

Micrometers

Calipers

Bore gauges

Air gauges

Job description

CMI Group Aerospace & Defense is seeking a Lapping (Lap) Machinist for its Defense & Aerospace Machine Shop in Phoenix, AZ. The role focuses on precision finishing of aircraft components to micro-inch tolerances, using lapping and grinding processes.

Candidate must have 1–5+ years in aerospace close-tolerance machining, GD&T proficiency, and ITAR compliance. Day shift, 40+ hours weekly, and a team-oriented environment with opportunities for quality-focused work.