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Grinder Jobs in California (NOW HIRING)

RimePro Inc

Centerless Grinder

Whittier, CA

$30 - $40/hr

Position Overview We are seeking a skilled Centerless Grinder Operator to join our precision manufacturing team. This position is responsible for setting up and operating centerless grinding machines ...

RimePro Inc

Centerless Grinder

Los Angeles, CA · On-site

$30 - $40/hr

Position Overview We are seeking a skilled Centerless Grinder Operator to join our precision manufacturing team. This position is responsible for setting up and operating centerless grinding machines ...

Integrated Magnetics

CNC Surface Grinder

Los Angeles, CA · On-site

$45/hr

The CNC Surface Grinder will be responsible for setting up and programming machines, monitoring operations, and ensuring parts meet quality and specification standards. This role supports our mission ...

ABBA Roller

CNC Grinder 2

Ontario, CA · On-site

$23 - $25/hr

This role is responsible for operating grinding and polishing equipment to achieve required product dimensions, tolerances, and surface finishes while maintaining quality and production standards.

Howmet Aerospace

Centerless Grinder

Brea, CA · On-site

$26 - $36/hr

The Centerless Grinder Set Up Operator will set-up and operate one Cincinnati #2 OM Center-Less Grinding Machine. While operating the machine the operator will follow the quality policy of 3V ...

Integrated Polymer Solutions

CNC Grinder 2

Ontario, CA · On-site

$20.25 - $27.50/hr

This role is responsible for operating grinding and polishing equipment to achieve required product dimensions, tolerances, and surface finishes while maintaining quality and production standards.

Howmet

Centerless Grinder

Brea, CA · On-site

$26 - $36/hr

The Centerless Grinder Set Up Operator will set-up and operate one Cincinnati #2 OM Center-Less Grinding Machine. While operating the machine the operator will follow the quality policy of 3V ...

RTCA

CNC Grinder

Chatsworth, CA · On-site

$28 - $35/hr

How You'll Make an Impact The CNC Grinder will utilize strong manufacturing skills and experience with CNC machines and controls to support production of precision components. This mid-level role is ...

Costco Wholesale Corporation

Grind Clerk

Tracy, CA · On-site

$18 - $22.50/hr

Works as an Organic Line Grinder, or Transport Driver for the lines. Job Duties * Performs machine set up and break down, replacement of parts when clogged or dirty on the Grinders, Formax, and ...

alu

Grinder - 2nd shift

Santa Ana, CA · On-site

$18 - $20/hr

We are looking for a Grinder that can start working right away. We will train a person to safely use a grinder to remove excess metal from manufactured parts to blueprint specifications and shop ...

Costco Wholesale Corporation

Grind Clerk

Tracy, CA · On-site

$18 - $22.50/hr

Works as an Organic Line Grinder, or Transport Driver for the lines. Job Duties * Performs machine set up and break down, replacement of parts when clogged or dirty on the Grinders, Formax, and ...

Integrated Magnetics

CNC OD/ID Grinder

Los Angeles, CA · On-site

$60/hr

The CNC OD/ID Grinder will be responsible for setting up, programming, and operating grinding equipment to produce precision components that meet stringent quality standards. This role is vital to ...

Costco Wholesale Corporation

Grind Clerk

Tracy, CA · On-site

$18 - $22.50/hr

Works as an Organic Line Grinder, or Transport Driver for the lines. Job Duties * Performs machine set up and break down, replacement of parts when clogged or dirty on the Grinders, Formax, and ...

Integrated Magnetics

CNC OD/ID Grinder

Los Angeles, CA · On-site

$60/hr

The CNC OD/ID Grinder will be responsible for setting up, programming, and operating grinding equipment to produce precision components that meet stringent quality standards. This role is vital to ...

RBC Bearings

Centerless Grinder

CA · On-site

$22 - $28/hr

Possess basic grinding skills required to set-up and run multiple cylindrical parts. Have knowledge of grinding wheels and wheel dressing. Able to read blue prints and familiar with precision gauging ...

RBC Transport Dynamics

Centerless Grinder

Compton, CA · On-site

$22 - $28/hr

Possess basic grinding skills required to set-up and run multiple cylindrical parts. Have knowledge of grinding wheels and wheel dressing. Able to read blue prints and familiar with precision gauging ...

fontana

Centerless Grinder Operator

Burbank, CA · On-site

Mounts grinding wheel and regulating wheel on spindles using wrenches * Dresses grinding wheels to specifications * Moves controls to set specified grinding speeds, feed rates, and spacing between ...

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All JobsGrinder JobsGrinder Jobs in California

Grinder information

See California salary details

$12

$18

$27

How much do grinder jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for grinder in California is $18.75, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $20.14 per hour, depending on experience, location, and employer.

What is a grinder?

A grinder is a machine operator who selects specific tools and equipment to finish products according to design specifications. As a grinder, your duties include the inspection of items coming off an assembly line, the removal of defective pieces, and the use of grinding machinery and CNC mill equipment to smooth or polish the surface of the products. Your responsibilities include setting up and operating tools and machinery, examining materials to identify defects, and selecting the appropriate tool or machine to correct defects and create a finished product that meets quality assurance standards.

What are grinder job specializations?

Grinders are skilled workers who operate grinding machines to shape, finish, or smooth metal and other materials. They use various types of grinding equipment, including bench grinders, surface grinders, and cylindrical grinders, to remove excess material and achieve precise surface finishes. Grinders are essential in industries like automotive, aerospace, and tool making, ensuring components meet exact specifications. Their work requires attention to detail, manual dexterity, and a strong understanding of safety protocols.

What are the key skills and qualifications needed to thrive as a grinder, and why are they important?

To thrive as a Grinder, you need mechanical aptitude, attention to detail, and experience with metalworking or machining, often supported by a high school diploma or technical training. Familiarity with grinding machines, precision measurement tools (like calipers and micrometers), and safety protocols is essential. Strong hand-eye coordination, problem-solving skills, and the ability to work independently set exceptional candidates apart. These skills ensure high-quality, precise output and maintain safety and efficiency in manufacturing environments.

What are some common challenges faced by grinders and how can they be addressed on the job?

Grinders often face challenges such as maintaining precision and consistency in their work, managing physical fatigue, and ensuring safety while operating heavy machinery. To address these, it's important to follow strict safety protocols, regularly inspect and maintain equipment, and take scheduled breaks to prevent strain. Additionally, collaborating closely with supervisors and quality control teams helps ensure that finished components meet required specifications and quality standards.

What is the difference between Grinder vs Machinist?

AspectGrinderMachinist
Required CertificationsOften requires precision machining certificationsRequires CNC or machining certifications
Work EnvironmentWorks primarily with grinding machines to finish partsOperates various machine tools to produce parts
Industry UsageCommon in manufacturing, metalworking, and tool-makingWidely used in manufacturing, aerospace, and automotive industries

While both grinders and machinists work in manufacturing environments and require technical skills, grinders focus on finishing parts with grinding machines, whereas machinists operate a variety of machine tools to create or modify parts. Understanding these differences helps employers and job seekers find the right fit in manufacturing roles.

More about Grinder jobs

What are the most commonly searched types of Grinder jobs in California?

The most popular types of Grinder jobs in California are:

What are popular job titles related to Grinder jobs in California?

For Grinder jobs in California, the most frequently searched job titles are:

What job categories do people searching Grinder jobs in California look for?

The top searched job categories for Grinder jobs in California are:

What cities in California are hiring for Grinder jobs?

Cities in California with the most Grinder job openings:

What are popular job titles related to Grinder jobs in CA?

For Grinder jobs in CA, the most frequently searched job titles are:

Grinder jobs near you
Infographic showing various Grinder job openings in California as of August 2026, with employment types broken down into 87% Full Time, 9% Part Time, 1% Contract, and 3% Nights. Highlights an 100% Physical job distribution, with an average salary of $38,998 per year, or $18.7 per hour.

Centerless Grinder

RimePro Inc

Whittier, CA

$30 - $40/hr

Full-time

Re-posted 10 days ago

Job description

Position Overview

We are seeking a skilled Centerless Grinder Operator to join our precision manufacturing team. This position is responsible for setting up and operating centerless grinding machines to produce high-quality, close-tolerance metal components. The ideal candidate has hands-on machining experience, strong mechanical aptitude, and a commitment to maintaining accuracy and safety in a fast-paced production environment.

Key Responsibilities

  • Set up and operate Cincinnati #2 or similar centerless grinding machines to produce precision parts within specified tolerances.

  • Install and balance grinding and regulating wheels; adjust fixtures, tooling, and feeds to achieve required surface finish and dimensions.

  • Inspect and measure parts using micrometers, calipers, and other precision instruments to verify conformance to specifications.

  • Monitor machine performance, make necessary adjustments, and maintain production efficiency and quality standards.

  • Document production data, quality results, and machine maintenance records.

  • Maintain an organized and clean work area with all required tools, gages, and instructions readily available.

  • Participate in continuous improvement initiatives and assist in training junior operators or trainees as needed.

  • Follow all company safety policies and quality procedures throughout all phases of operation.

Qualifications

  • High school diploma or equivalent required.

  • 3+ years of experience operating centerless grinders in a manufacturing or machining environment preferred.

  • Working knowledge of machine setup, tooling, and precision measuring equipment.

  • Basic understanding of mechanical drawings and production specifications.

  • Ability to perform basic arithmetic calculations related to part dimensions and tolerances.

  • Strong attention to detail and a commitment to producing quality parts.

  • Willingness to work as part of a team and assist with training when needed.

  • Bilingual (English/Spanish) a plus.

Physical & Work Environment

  • Frequent standing, repetitive motion, and manual handling of parts throughout the shift.

  • Occasional lifting of up to 25–50 lbs.

  • Exposure to manufacturing noise, lubricants, and metal particles.

  • Must be comfortable working in a production setting where precision and safety are priorities.