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Grinder Jobs in Rancho Cucamonga, CA (NOW HIRING)

TAD PGS, Inc.

Grinder

Rancho Cucamonga, CA · On-site

$21/hr

Grinds and smooths surfaces of parts prior to finishing operations by performing the following duties. * Examines and feels the surface of the workpiece for defects. * Removes defects and/or sharp ...

CYNET SYSTEMS

Grinder II

Rancho Cucamonga, CA · On-site

$16 - $21/hr

Grind and smooth surfaces of parts prior to finishing operations. * Remove defects and sharp edges from work pieces. * Operate grinder and move it over surface of work piece to remove scratches ...

PDS Tech Commercial

Grinder I

Fullerton, CA · On-site

$20/hr

Are you a Grinder looking to take your career to new heights? Here at PDS Tech Commercial we have that new job for you. * Utilizing a large swing grinder and/or small hand grinder will condition ...

PDS Tech Commercial

Grinder I

Fullerton, CA · On-site

$20/hr

Are you a Grinder looking to take your career to new heights? Here at PDS Tech Commercial we have that new job for you. * Utilizing a large swing grinder and/or small hand grinder will condition ...

CYNET SYSTEMS

Grinder I

Fullerton, CA · On-site

$21 - $29/hr

Starts grinder and moves it over surface of work piece to remove scratches, laminated metal, excess weld material, and burs. * Polishes ground areas with finer abrasive to produce smooth, unmarred ...

STS Metals

GRINDER (2nd Shift)

Irwindale, CA

$19.50 - $22/hr

As a Production Associate supporting grinding operations at Sierra Alloys , you'll help keep production moving safely and efficiently. This is an entry-level, hands-on role that supports grinders by ...

Howmet Aerospace

Centerless Grinder

Brea, CA · On-site

$26 - $36/hr

Centerless Grinder Set Up Operator ' 1st Shift Position Overview: The Centerless Grinder Set Up Operator will set-up and operate one Cincinnati #2 OM Center-Less Grinding Machine. While operating the ...

Aerotek

Grinder/shop Labor

Irwindale, CA

$20 - $22/hr

Grinder / Shop Laborer This role focuses on grinding forged metals and alloys, supporting metal fabrication and forging operations, and performing general shop labor in a manufacturing environment.

RimePro Inc

Centerless Grinder

La Mirada, CA · On-site

$30 - $40/hr

Position Overview We are seeking an experienced Centerless Grinder Operator to support the production of precision metal components used in demanding aerospace and industrial applications. This ...

STS Metals

GRINDER (1st Shift)

Irwindale, CA

$18 - $20/hr

As a Production Associate supporting grinding operations at Sierra Alloys , you'll help keep production moving safely and efficiently. This is an entry-level, hands-on role that supports grinders by ...

RimePro Inc

Centerless Grinder

Whittier, 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 ...

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 ...

ABBA Roller

Grinder Technician

Ontario, CA · On-site

$19 - $21/hr

This role operates grinding and polishing equipment to achieve required product dimensions and surface finishes. This is an entry-level position ideal for candidates with basic manufacturing or ...

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All JobsGrinder JobsGrinder Jobs in Rancho Cucamonga, CA

Grinder information

See Rancho Cucamonga, CA salary details

$12

$19

$27

How much do grinder jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for grinder in Rancho Cucamonga, CA is $19.23, according to ZipRecruiter salary data. Most workers in this role earn between $16.54 and $20.67 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 job categories do people searching Grinder jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Grinder jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Grinder jobs?

Cities near Rancho Cucamonga, CA with the most Grinder job openings:

Grinder jobs near you
Infographic showing various Grinder job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 77% Full Time, 19% Part Time, 1% Contract, and 3% Nights. Highlights an 100% Physical job distribution, with an average salary of $40,382 per year, or $19.4 per hour.

Grinder

TAD PGS, Inc.

Rancho Cucamonga, CA • On-site

$21/hr

Contractor

Medical, Retirement

Posted 7 days ago

Job description

We have an outstanding Contract to Hire position for a Grinder to join a leading Company located in the Rancho Cucamonga, CA surrounding area.

Pay Rate: $21/hour

Job Responsibilities:  
  • Utilizing a large swing grinder and/or small hand grinder will condition parts for defect removal. Grinds and smooths surfaces of parts prior to finishing operations by performing the following duties.
  • Examines and feels the surface of the workpiece for defects.
  • Removes defects and/or sharp edges.
  • Selects grade of abrasive belt, wheel, or disk according to specifications, knowledge of abrasives, and condition of metal, and attaches to grinder.
  • Starts grinder and moves it over surface of workpiece to remove scratches, laminated metal, excess weld material, and burs.
  • Polishes ground areas with finer abrasive to produce a smooth, unmarred surface.
  • Replaces worn abrasive disks, wheels, and belts.
  • Maintains a safe and organized workstation and follows all company policies, safety and procedures.

Basic Hiring Criteria:
  • No education required.

This position requires access to technologies and hardware subject to US national security-based export control requirements. All applicants must be US Persons (8 USC 1324b(a)(3)), or otherwise authorized by the U.S. Government. No company sponsorship will be offered.
 
 Benefits offered vary by contract. Depending on your temporary assignment, benefits may include direct deposit, free career counseling services, 401(k), select paid holidays, short-term disability insurance, skills training, employee referral bonus, and affordable medical coverage plan, and DailyPay (in some locations). For a full description of benefits available to you, be sure to talk with your recruiter.

Military connected talent encouraged to apply.

VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled 

To read our Candidate Privacy Information Statement, which explains how we will use your information, please visit http://www.tadpgs.com/candidate-privacy/ or https://pdsdefense.com/candidate-privacy/

The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

  • The California Fair Chance Act
  • Los Angeles City Fair Chance Ordinance
  • Los Angeles County Fair Chance Ordinance for Employers
  • San Francisco Fair Chance Ordinance
Education:NoneEmployment Type: CONTRACTOR

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