CMM Operator / Inspector

Hitachi, Ltd.; Pleasanton (CA); On-site; USD 52,000 - 63,000; Full time

Job summary

Hitachi Particle Engineering and Services, Inc., located in Pleasanton, CA, seeks a skilled CMM Inspector for a 3–6 month contract with extension potential. The role focuses on dimensional inspections of high-precision components to ensure conformance to engineering specs and customer requirements.

Responsibilities include operating manual CMMs, interpreting GD&T, collaborating with engineering, and documenting inspection data. Strong Q.A. principles and ANSI knowledge are essential.

Qualifications

• High school diploma or GED; technical certifications or associate degrees preferred.
• At least 5 years of precision inspection experience with CMMs in controlled environments.
• Strong GD&T knowledge (ASME Y14.5) for interpreting complex drawings.
• Experience with CMM software and measurement hand tools.
• Knowledge of ANSI sampling standards and quality assurance principles.
• Excellent written and verbal communication; proficient math and MS Office.

Responsibilities

• Operate manual CMMs for in-process, first-article, and final inspections.
• Interpret drawings and GD&T symbols to identify critical dimensions.
• Collaborate with engineering to determine inspection dimensions.
• Record inspection data and document acceptance or rejection.
• Troubleshoot discrepancies with engineering/manufacturing.
• Label and segregate nonconforming materials.
• Assist with non-CMM inspections as needed.

Skills

Attention to detail

GD&T understanding

Communication skills

Mathematical proficiency

Quality mindset

MS Office proficiency

Education

High school diploma or GED

Associate degree or technical certification preferred

Tools

CMM Manager

Calipers & micrometers

CMM software

Job description

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 Employment Opportunity (EEO)-Females/Minorities/Protected Veterans/Individuals with Disabilities

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Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachis Global Data Privacy Notice.