CMM Operator / Inspector

Hitachi; Pleasanton (CA); On-site; USD 44,000 - 62,000; Full time

Job summary

The CMM Inspector role at Hitachi Particle Engineering and Services, Inc. in Pleasanton, CA requires performing dimensional inspections of high-precision components.

You will interpret GD&T, select appropriate measuring tools, and ensure conformity to engineering specs and customer requirements. Ideal candidates have 5+ years of CMM inspection experience, knowledge of ASME Y14.5, and proficiency with CMM software and hand tools.

Qualifications

• High school diploma or GED required; technical certifications or associate degrees preferred.
• 5+ years of precision inspection experience using CMMs.
• Understanding of ASME Y14.5 GD&T to interpret complex engineering intents.
• Experience with CMM software and measurement hand tools (calipers, micrometers).

Responsibilities

• Operate manual CMM machinery for in-process, first-article, and final inspections.
• Interpret drawings, GD&T symbols and specs to determine inspection points.
• Collaborate with engineering to identify critical inspection dimensions.
• Record inspection data accurately and document acceptance/rejection results.
• Assist with non-CMM related inspections as needed.

Skills

GD&T interpretation

CMM operation

Measurement tools

MS Office

Education

High school diploma or GED

Tools

CMM Manager

Calipers

Micrometers

Job description

Location:

Pleasanton, California, United States

Job ID:

R0146191

Date Posted:

2026-09-24

Company Name:

HITACHI AMERICA, LTD.

Profession (Job Category):

Quality Management

Job Schedule:

Full time

Remote:

No

Job Description:

_ CMM Inspector _

Company: Hitachi Particle Engineering and Services, Inc.

Location: Pleasanton, CA

Status: 3 - 6 month contract (eligible for extension)

The Company

Hitachi Particle Engineering and Services, Inc. (HPES) provides service and maintenance operations to Particle Therapy systems. Accsys Technologies, a division of HPES designs and manufactures ion RF LINAC systems (radio frequency linear accelerator), which are used in Particle Beam Therapy systems and R&D applications. Hitachi Particle Engineering and Services, Inc. is a Hitachi Group Company.

Summary

The CMM (Coordinate Measurement Machine) Operator is a quality-driven professional responsible for performing dimensional inspections of high-precision components and manufacturing materials. This role ensures products meet engineering specifications, quality standards, and customer requirements through accurate measurement and inspection.

Duties and Responsibilities include but are not limited to:

• Operate manual CMM machinery to perform in-process, first-article, and final dimensional inspections.
• Interpret engineering drawings, specifications, and Geometric Dimensioning and Tolerancing (GD&T) symbols.
• Collaborate with engineering to identify critical inspection dimensions
• Determine appropriate measuring instruments required based on drawings
• Accurately record inspection data including calibrated instruments used
• Document acceptance or rejection of material
• Collaborate with engineering and/or manufacturing to troubleshoot discrepancies
• Appropriately label and segregate materials that do not meet specification
• Assist with non-CMM related inspections as needed

Required Qualifications:

• High school diploma or GED required; technical certifications or associate degrees in engineering or manufacturing disciplines are preferred.
• 5+ years of precision inspection experience using CMMs in quality-controlled environment.
• Understanding of Geometric Dimensioning and Tolerancing (ASME Y14.5) to interpret complex engineering intents
• Ensure accurate measurements using GD&T principles.
• Experience with CMM software ( CMM Manager preferred ) and measurement hand tools (calipers, micrometers, etc.)
• Knowledge of quality assurance principles related to dimensional inspection
• Knowledge of ANSI sampling standards
• Excellent written, verbal and communication skills
• Proficient math skills
• Proficient with Microsoft Office suite

Working Conditions

General manufacturing/inspection environment. Potential for exposure to radiation. Employees frequently walk, stand and sit for computer use; may sit for extended periods of time.

Our Values

We are proud to say we are an equal opportunity employer and welcome all applicants for employment without attention to any factor that doesn’t impact your ability to do the job, including race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We are proud of Japanese heritage, with our values expressed through the Hitachi Spirit:

Wa – Harmony, Trust, Respect

Makoto – Sincerity, Fairness, Honesty, Integrity

Kaitakusha-Seishin – Pioneering Spirit, Challenge

For California only (as required by California’s Pay Transparency for Pay Equity Act (SB 1162)): A good faith estimate of the expected hourly rate for this position that the employer reasonably expects to pay for the position upon hire is $38.46 per hour. Pay is determined based on a variety of factors including, but not limited to, depth of experience in the practice area. Employees are eligible to participate in Hitachi America’s variable pay program, subject to the program’s conditions and restrictions.

Equal Opportunity Employer (EOE)-Females/Minorities/Protected Veterans/Individuals with Disabilities

If you need a reasonable accommodation to apply for a job at Hitachi, please send the nature of request and contact information to [e-mail]. Queries other than accommodation requests will not be responded to.