Precision QC Inspector: CMM & GD&T Specialist

Master Machine, LLC; Chattanooga (TN); Hybrid; USD 50,000 - 75,000; Full time

Job summary

Master Machine, based in Chattanooga, TN, seeks a Quality Control Inspector to perform dimensional and visual inspections across the production cycle, ensuring conformance to drawings, GD&T, and customer requirements. The role involves heavy use of precision measuring equipment and CMMs for nuclear, DoE, DoD projects.

Responsibilities include first-article, in-process, and final inspections, receipt verification, witness points, and maintaining traceability.

Qualifications

• Thorough understanding of Geometric Dimensioning and Tolerancing (GD&T).
• Minimum 2 years of quality control inspection activities utilizing Faro Arm CMM and/or Keyence Optical CMM.
• Excellent written and verbal communication skills with the ability to clearly communicate quality and technical requirements.

Responsibilities

• Perform dimensional inspections (first article, in-process, and final) using precise measuring equipment and interpret GD&T.
• Verify incoming materials and in-process work at defined control points to ensure conformance before production steps.
• Program and operate Zeiss CMM (Calypso), Keyence Optical CMM, and/or Faro arm for complex dimensional verification.

Skills

GD&T knowledge

Dimensional inspection

Written/verbal comms

Flexible hours

Tools

Faro Arm CMM

Keyence Optical CMM

Zeiss Calypso

Job description

The Quality Control Inspector performs dimensional and visual inspections throughout the production cycle to ensure customer satisfaction, regulatory, and internal quality requirements. This role uses precision measuring equipment and coordinate measuring machines (CMMs) to verify conformance on nuclear, DoE, DoD, and AS9100/ISO9001 projects.

1. Dimensional Inspection & Measurement
Perform precise dimensional inspections at every stage of production to verify that products meet drawing specifications, GD&T requirements, and customer quality standards.
First Article, In-Process & Final Inspection

• Perform dimensional inspections (first article, in-process, and final) using conventional precision measuring equipment including calipers, micrometers, and digital height gages
• Interpret engineering drawings and apply Geometric Dimensioning and Tolerancing (GD&T) to inspection activities
• Document all inspection results accurately and maintain traceability throughout the production cycle

CMM Programming & Operation

• Program and operate Zeiss CMM (Calypso software), Keyence Optical CMM, and/or Faro arm for complex dimensional verification
• Select appropriate measurement methods and equipment based on part geometry and tolerance requirements
• Maintain proficiency with evolving measurement tech nology and software updates

2. Receiving & In-Process Verification
Verify incoming materials and in-process work at defined control points to ensure all products and components meet quality requirements before advancing through production.
Receipt Inspection

• Perform receipt inspection of materials, parts, and consumables against purchase order specifications
• Maintain QA-controlled inventory and ensure incoming materials are properly identified and stored
• Verify material certifications and test reports accompany incoming shipments

Witness & Hold Point Execution

• Perform assigned QC witness and hold points as identified in work travelers
• Verify that all inspection activities are performed according to customer requirements, procedures, and contract agreements
• May require traveling to customer or supplier facilities for off-site inspection activities

3. Quality Compliance & Customer Interface
Ensure all inspection work supports QA program requirements and contribute to a professional quality interface with customers and production teams.
Quality Program Compliance

• Ensure quality requirements are maintained to meet theQA program and customer requirements
• Follow all applicable procedures, work instructions, and inspection plans during execution
• Support the quality team in maintaining controlled documents and current revisions

Customer & Production Interface

• Interface with customers and production personnel on inspection results and quality-related matters
• Communicate quality and tech nical requirements clearly and professionally
• Support temporary assignments and additional duties as needed to meet business requirements

What this looks like in this role:

• Own your inspection results—good or bad
• Report discrepancies immediately without fear of blame
• Focus on fixing the process, not assigning fault
• Accept feedback and use it to sharpen your skills

REQUIRED QUALIFICATIONS

• Thorough understanding of Geometric Dimensioning and Tolerancing (GD&T)
• Minimum 2 years of experience in quality control inspection activities utilizing Faro Arm CMM and/or Keyence Optical CMM
• Knowledge and experience with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ANSI N45.2, and ASME BPVC Section III and VIII quality requirements
• Excellent written and verbal communication skills with the ability to clearly communicate quality and tech nical requirements
• Flexible hours to meet emergent customer needs

PREFERRED EXPERIENCE

Completed Zeiss Metrology, Keyence Optical CMM, and/or Faro Arm training classes

• Minimum 2 years of quality control inspection experience in a mechanical or electrical discipline
• Minimum 2 years of practical experience working with nuclear QA codes and standards
• Machinist or fabricator experience
• Experience in aerospace (AS9100) QMS quality department

Master Machine is a precision manufacturing and fabrication company located in Chattanooga, Tennessee, specializing in complex, highly engineered components and large-scale fabrication. We serve demanding industries where quality, precision, and technical expertise matter, giving our team the opportunity to work on challenging projects that require creative problem-solving and close collaboration across engineering and manufacturing.