Location:
Pleasanton, California, United States
Job ID:
R0141089
Date Posted:
2026-08-11
Company Name:
HITACHI AMERICA, LTD.
Profession (Job Category):
Quality Management
Job Schedule:
Full time
Remote:
No
CMM Inspector
Company: Hitachi Particle Engineering and Services, Inc.
Location: Pleasanton, CA
Status: 3-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.
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 accommodation@hal.hitachi.com. Queries other than accommodation requests will not be responded to.

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. Our mission is to “Contribute to society through the development of superior, original technology and products.” Over the past 100+ years this commitment has led us to work towards creating a more sustainable society through our “Social Innovation Business”. We work to apply our expertise in information technology (IT), operational technology (OT), and a wide variety of products to advance social infrastructure systems and improve quality of life across the world.
Hitachi’s Social Innovation Business is centered around 5 growth sectors: Mobility, Smart Life, Industry, Energy, and IT. Globally, we have nearly 300,000 employees who are working to improve people’s quality of life and our customers’ social, environmental, and economic values to create a sustainable future. The challenges we face as a society are unprecedented, but so are the opportunities. Together, let’s start powering good.