Coordinate Measuring Machine Programmer

Protocast JLC; California; On-site; USD 70,000 - 100,000; Full time

Job summary

Protocast-JLC in California seeks a CMM Programmer to program and operate coordinate measuring machines and inspect precision castings and machined parts. You will build and optimize measurement routines and document results for quality records.

Interpret engineering drawings and GD&T, collaborate with quality, engineering and production teams to troubleshoot measurement issues and drive improvements. PC-DMIS experience and familiarity with calibration, AS9100 and ITAR is a plus.

Qualifications

• Must have strong measurement and inspection skills for precision castings and machined parts.
• Able to read GD&T and engineering drawings.
• Experience programming and operating CMMs (PC-DMIS or similar) using CAD models.
• Familiarity with AS9100 and ITAR is beneficial.
• Proficient with MS Office for reporting and documentation.

Responsibilities

• Program and operate CMM equipment to inspect precision castings and machined parts.
• Create and optimize CMM programs; document measurement results.
• Interpret blueprints, GD&T, and 3D models.
• Support root cause analysis and process improvements with quality and production teams.
• Maintain calibration schedules and ensure AS9100/ITAR compliance.

Skills

CMM programming

Measurement & inspection

GD&T reading

PC-DMIS software

Engineering drawings CAD models

AS9100/ITAR knowledge

MS Office

Education

High school diploma or equivalent

Technical certificate or associate degree in manufacturing or engineering

Tools

PC-DMIS

Gages & fixtures

Job description

Company Description Protocast-JLC (John List Corporation) is a long-established provider of precision investment castings and CNC machining services for aerospace, medical, communications, defense, and commercial markets. The company works with both nonferrous and ferrous metals and maintains in-house 3D printing capabilities to support complex and high-accuracy projects. Protocast-JLC is ITAR registered and AS9100 certified, demonstrating a strong commitment to quality, compliance, and industry standards. All parts are produced in the USA, and the company has been serving customers since 1966, offering a stable environment and deep manufacturing expertise for team members.

Role Description The Coordinate Measuring Machine (CMM) Programmer is a full-time, on-site role based in Los Angeles County, CA. This role is responsible for programming and operating CMM equipment to inspect precision castings and machined parts according to engineering drawings, customer specifications, and internal quality standards. Day-to-day tasks include creating and optimizing CMM programs, performing dimensional inspections, interpreting blueprints and 3D models, and documenting measurement results for quality records and customer reports. The CMM Programmer collaborates closely with quality, engineering, and production teams to troubleshoot measurement issues, support root cause analysis, and recommend process improvements. The role also involves routine equipment checks, assisting with calibration schedules, and ensuring inspection procedures comply with AS9100 and ITAR requirements.

Qualifications

• Strong measurement and inspection skills, including experience with Measurements and Inspection of precision castings and machined components.
• Knowledge of quality tools and practices, such as Quality Control procedures and use of Gauges for dimensional verification.
• Familiarity with Calibration processes to maintain accuracy and reliability of CMMs and related inspection equipment.
• Experience programming and operating CMMs (e.g., using PC-DMIS or similar software) and working from engineering drawings and CAD models.
• Ability to read and interpret GD&T and technical documentation, with attention to detail and strong problem-solving skills.
• Previous experience in aerospace, defense, or precision manufacturing environments; understanding of AS9100 and ITAR is beneficial.
• Basic computer literacy and proficiency with MS Office or similar tools for reporting and documentation.
• High school diploma or equivalent required; technical certificate or associate degree in manufacturing, engineering, or related field preferred.