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Cnc Grinding Machine Operator Jobs in Rialto, CA

VOLT

2nd shift - Swiss Screw Machine Operator

La Verne, CA · On-site

$28 - $35/hr

Set up and operate screw machines (manual or CNC) to produce precision components. * Adjust machine ... operator experience preferred Schedule : 2:00 PM to 10:00 PM Days: Monday through Friday and ...

Talent Sourcing Direct Inc.

Be Seen First

CNC MACHINIST

City Of Industry, CA · On-site

$24 - $28/hr

Talent Sourcing Direct is now Hiring 1st and 2nd Shift CNC Machinist/Operator (Mills/Lathe) Available: THIS POSITION IS LOCATED IN MONROVIA, CA Position Summary: Working under the general supervision ...

Wabash

Machine Operator II

Moreno Valley, CA · On-site

$23.75 - $28/hr

Machine Operator II Shift: Monday- Friday 6:00am- 2:40pm Pay Range: $23.75- $28.00 Position ... CNC, and other basic machinery * Perform die maintenance * Daily quality control test of foam

Professional Plastics

CNC Router Operator

Chino, CA · On-site

$25 - $33/hr

Professional Plastics is hiring an experienced CNC Machinist / CNC Operator to join our growing manufacturing team. If you have experience setting up and running CNC machines in a production ...

Professional Plastics

CNC Router Operator

Chino, CA · On-site

$25 - $33/hr

Professional Plastics is hiring an experienced CNC Machinist / CNC Operator to join our growing manufacturing team. If you have experience setting up and running CNC machines in a production ...

AtWork!

CNC Operator 1

Walnut, CA · On-site

$20.50 - $24.50/hr

CNC Mill Operator I & II - Immediate Hiring Walnut, CA $20.50 - $24.50/hr ... DOE Full-Time | Overtime Available | Career Growth Ready to grow your CNC machining career with a ...

AtWork!

CNC Operator 1

Walnut, CA · On-site

$20.50 - $24.50/hr

CNC Mill Operator I & II - Immediate Hiring Walnut, CA $20.50 - $24.50/hr ... DOE Full-Time | Overtime Available | Career Growth Ready to grow your CNC machining career with a ...

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All JobsCnc Grinding Machine Operator JobsCnc Grinding Machine Operator Jobs in Rialto, CA

Cnc Grinding Machine Operator information

See Rialto, CA salary details

$13

$19

$27

How much do cnc grinding machine operator jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for cnc grinding machine operator in Rialto, CA is $19.50, according to ZipRecruiter salary data. Most workers in this role earn between $16.88 and $20.96 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to be a CNC grinding machine operator?

To thrive as a CNC Grinding Machine Operator, you need a solid understanding of machining principles, blueprint reading, and precision measurement, often supported by vocational training or relevant certifications. Familiarity with CNC programming languages, operation of grinding machines, and use of measuring tools like micrometers and calipers is essential. Strong attention to detail, problem-solving skills, and the ability to work independently are important soft skills in this role. These skills ensure the production of high-quality parts, minimize errors, and maintain safe, efficient manufacturing processes.

What are common challenges faced by CNC grinding machine operators and how can they be addressed?

CNC Grinding Machine Operators often encounter challenges such as maintaining tight tolerances, troubleshooting machine errors, and ensuring consistent quality across production runs. To address these, operators can regularly calibrate and maintain their equipment, stay informed on the latest software updates, and follow strict inspection protocols. Being proactive in communication with maintenance teams and collaborating closely with quality assurance helps minimize downtime and ensures products meet specifications.

What is the difference between Cnc Grinding Machine Operator vs Cnc Machinist?

AspectCnc Grinding Machine OperatorCnc Machinist
CredentialsTypically requires technical training or certification in grinding operationsRequires technical training, often with certifications in CNC programming and machining
Work EnvironmentWorks primarily in manufacturing or machine shops focusing on grinding processesWorks in similar environments, often handling a variety of CNC machines including mills and lathes
Employer & IndustryManufacturing, metalworking, aerospace, automotiveManufacturing, metalworking, aerospace, automotive

The main difference is that Cnc Grinding Machine Operators specialize in grinding processes to finish parts, while Cnc Machinists have broader roles including programming and operating various CNC machines. Both roles require technical skills and work in similar industries, but their focus areas differ.

What is a CNC grinding machine operator?

CNC Grinding Machine Operators are skilled technicians who set up, operate, and maintain computer numerically controlled (CNC) grinding machines. They use these machines to shape, finish, or sharpen metal or other materials to precise specifications. Their responsibilities include reading blueprints, selecting proper grinding wheels, monitoring machine operation, and inspecting finished parts for quality. CNC Grinding Machine Operators play a critical role in manufacturing industries to ensure products meet exact tolerances and standards.
What are popular job titles related to Cnc Grinding Machine Operator jobs in Rialto, CA? For Cnc Grinding Machine Operator jobs in Rialto, CA, the most frequently searched job titles are:
What job categories do people searching Cnc Grinding Machine Operator jobs in Rialto, CA look for? The top searched job categories for Cnc Grinding Machine Operator jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Cnc Grinding Machine Operator jobs? Cities near Rialto, CA with the most Cnc Grinding Machine Operator job openings:
Cnc Grinding Machine Operator jobs near you
Infographic showing various Cnc Grinding Machine Operator job openings in Rialto, CA as of August 2026, with employment types broken down into 40% Full Time, 58% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $40,567 per year, or $19.5 per hour.

CNC Programmer/Operator

M&O Perry Industries

Corona, CA

$20 - $22/hr

Full-time

Re-posted 3 days ago

Job description

Job Requirements:
  • Minimum 3-5 Years of progressive experience as an overall machinist operator
  • 3-5 Years of experience operating a mill and lathe performing lathe and milling machining operations to exacting specifications, working from blueprints, engineering diagrams, part lists and schedules.
  • High School Diploma (Associates Preferred)
  • Able to work 40 hours a week
  • This position reports to the Manufacturing Manager.
Duties and Responsibilities:
1. Perform lathe and milling machining operations using blueprints and related diagrams.
2. Use grinders, metal saws and general machine shop equipment.
3. Perform quality checks and quality control on your own work, and that of others using appropriate instruments (micrometers, etc.).
4. Update drawings (mark prints, etc.) when identifying corrections from issued blueprints.
5. Interact with and provide feedback to engineering department personnel on design or updates.
6. Develop basic system skills in MRP and for checking parts in engineering software programs (Anvil/SolidWorks).
7. Participate in a Process of Ongoing Improvement. Identify areas or processes that help improve the operation of the Machine Shop and the Company’s responsiveness to customers.
8. Adhere to and implement the ISO QMS.
9. Adhere to and follow Company policies and safety regulations.
10. Perform QA functions and other duties as assigned.
11. Keeps equipment operational by completing preventive maintenance requirements; following manufacturer's instructions; troubleshooting malfunctions; calling for repairs.
12. Maintains safe and clean working environment by complying with procedures, rules, and regulations.
13. Maintains supplies inventory by checking stock to determine inventory level; anticipating needed supplies; placing and expediting orders for supplies; verifying receipt of supplies.
14. Conserves resources by using equipment and supplies as needed to accomplish job results.
15. Documents actions by completing production and quality forms.
16. Contributes to team effort by accomplishing related results as needed.
17. Train and assist other employees in the Company.
18. Perform related duties as assigned.
Skills and Qualifications:
  • Controls and Instrumentation, Equipment Maintenance, Manufacturing Experience, Manufacturing Quality, Mechanical Inspection Tools, Tooling, Safety Management, Quality Focus, Power Tools, Judgment, Decision Making.
  • Experience operating a mill and lathe, machining parts to specifications from blueprints.
  • Ability to operate a vertical mill.
  • Ability to work effectively with and support others.
  • Basic computer skills desirable.
  • CNC knowledge and skills highly desirable.