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Machine Shop Assistant Jobs in Rancho Cucamonga, CA

Kinetic Personnel Group

CNC Operator I

Walnut, CA · On-site

$21.30/hr

... with machinery, takes pride in accuracy, and thrives in a shop environment. Duties Operate CNC ... assist teammates when needed Requirements Ability to read and follow written instructions and ...

M&O Perry Industries

CNC Programmer/Operator

Corona, CA

$20 - $22/hr

Identify areas or processes that help improve the operation of the Machine Shop and the Company ... Train and assist other employees in the Company. 18. Perform related duties as assigned. Skills and ...

M&O Perry Industries

CNC Programmer/Operator

Corona, CA

$20 - $22/hr

Identify areas or processes that help improve the operation of the Machine Shop and the Company ... Train and assist other employees in the Company. 18. Perform related duties as assigned. Skills and ...

M&O Perry Industries

CNC Programmer/Operator

Corona, CA · On-site

$20 - $22/hr

Identify areas or processes that help improve the operation of the Machine Shop and the Company ... Train and assist other employees in the Company. 18. Perform related duties as assigned. Skills and ...

Howmet Aerospace

CNC Programmer, 1st Shift

Fullerton, CA

$24.70 - $41.99/hr

... characteristics. * Assist factory supervision and leaders in the training other team members ... Minimum of three years related experience and/or training in machine shop operation running a ...

Howmet Aerospace

CNC Programmer, 1st Shift

Fullerton, CA · On-site

$24.70 - $41.99/hr

... characteristics. * Assist factory supervision and leaders in the training other team members ... Minimum of three years related experience and/or training in machine shop operation running a ...

Howmet

CNC Programmer, 1st Shift

Fullerton, CA · On-site

$24.70 - $41.99/hr

... characteristics. * Assist factory supervision and leaders in the training other team members ... Minimum of three years related experience and/or training in machine shop operation running a ...

Howmet Aerospace

CNC Programmer, 1st Shift

Fullerton, CA

$24.70 - $41.99/hr

... characteristics. * Assist factory supervision and leaders in the training other team members ... Minimum of three years related experience and/or training in machine shop operation running a ...

DXP Enterprises, Inc.

Shop Hand

Anaheim, CA · On-site

$20 - $22/hr

Build custom wooden crates, skids, and containers to securely package heavy equipment, machinery ... Polish and/or paint units prior to shipment * Assist with quality control (QC) inspections and ...

DXP

Shop Hand

Anaheim, CA

$20 - $22/hr

Build custom wooden crates, skids, and containers to securely package heavy equipment, machinery ... Polish and/or paint units prior to shipment * Assist with quality control (QC) inspections and ...

DXP

Shop Hand

Anaheim, CA

$20 - $22/hr

Build custom wooden crates, skids, and containers to securely package heavy equipment, machinery ... Polish and/or paint units prior to shipment * Assist with quality control (QC) inspections and ...

APM Manufacturing

Tool Crib Attendant

Orange, CA · On-site

$25 - $35/hr

Prepare tooling and supplies for upcoming production jobs based on manufacturing requirements. * Assist machinists and manufacturing personnel in locating appropriate tooling and shop supplies.

Howmet Aerospace

CNC Programmer, 1st Shift

Fullerton, CA

$24.70 - $41.99/hr

Minimum of three years related experience and/or training in machine shop operation running a ... Willing to cross train and/or assist other departments to meet facility goals * Use the necessary ...

APM Manufacturing

Tool Crib Attendant

Orange, CA · On-site

$25 - $35/hr

Prepare tooling and supplies for upcoming production jobs based on manufacturing requirements. * Assist machinists and manufacturing personnel in locating appropriate tooling and shop supplies.

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All JobsMachine Shop JobsMachine Shop Assistant JobsMachine Shop Assistant Jobs in Rancho Cucamonga, CA

Machine Shop Assistant information

See Rancho Cucamonga, CA salary details

$13

$18

$23

How much do machine shop assistant jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for machine shop assistant in Rancho Cucamonga, CA is $18.45, according to ZipRecruiter salary data. Most workers in this role earn between $16.68 and $19.66 per hour, depending on experience, location, and employer.

What are the main duties of a machine shop assistant?

A Machine Shop Assistant supports machinists and technicians by preparing materials, operating basic machinery, cleaning and maintaining equipment, and organizing the workspace. They often assist with loading and unloading materials, measuring parts, and ensuring that tools and machines are in good working order. These assistants play a vital role in keeping the shop running smoothly and efficiently, often performing routine tasks so skilled machinists can focus on more complex work.

What are the key skills and qualifications needed to thrive as a machine shop assistant?

To thrive as a Machine Shop Assistant, you need a basic understanding of machining processes, mechanical aptitude, and often a high school diploma or equivalent. Familiarity with hand tools, measuring instruments like calipers and micrometers, and sometimes CNC machinery or safety certifications is typical. Attention to detail, reliability, and strong teamwork skills help you excel in supporting machinists and maintaining workflow. These skills and qualities ensure safe, efficient operations and contribute to producing high-quality machined parts.

What are some common challenges faced by a machine shop assistant, and how can they be managed effectively?

Machine Shop Assistants often face challenges such as maintaining strict safety protocols while working around heavy machinery, managing multiple tasks like material handling and equipment cleaning, and adapting to varying production schedules. Effective time management and consistent communication with machinists and supervisors can help address these challenges. Additionally, staying organized and proactive in identifying potential hazards contributes to a safer and more efficient workplace.

What is the difference between Machine Shop Assistant vs Machinist?

AspectMachine Shop AssistantMachinist
CredentialsHigh school diploma or equivalent; some technical trainingTechnical training or apprenticeship; certifications may be preferred
Work EnvironmentAssists in machine setup, cleaning, and material handling in machine shopsOperates and programs machines like lathes and mills in manufacturing settings
Job ResponsibilitiesSupports machinists, prepares materials, maintains equipmentSets up, operates, and monitors machining equipment to produce parts

While both roles work in machine shops, the Machine Shop Assistant primarily supports machinists by handling preparatory and maintenance tasks, whereas the Machinist directly operates and programs machines to produce precise parts. The assistant role often requires less technical training, making it an entry point into the industry.

What qualifications do you need to work in a machine shop assistant?

A machine shop assistant typically needs a high school diploma or equivalent and basic mechanical skills. Experience with hand tools, knowledge of safety procedures, and the ability to read technical drawings are also important qualifications for the role.

What are the most commonly searched types of Machine Shop jobs in Rancho Cucamonga, CA?

The most popular types of Machine Shop jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Machine Shop Assistant jobs?

Cities near Rancho Cucamonga, CA with the most Machine Shop Assistant job openings:

Machine Shop Assistant jobs near you
Infographic showing various Machine Shop Assistant job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 91% Full Time, 3% Temporary, 3% Contract, and 3% Nights. Highlights an 100% In-person job distribution, with an average salary of $38,373 per year, or $18.4 per hour.

CNC Operator I

Kinetic Personnel Group

Walnut, CA • On-site

$21.30/hr

Other

Re-posted 5 days ago

Job description

Join a growing manufacturing team that produces precision engineered components used across multiple industries. We’re looking for a hands-on CNC Lathe Operator who enjoys working with machinery, takes pride in accuracy, and thrives in a shop environment. Duties Operate CNC lathes and other machining equipment to produce custom parts Load materials, secure workpieces, and follow work orders/blueprints Inspect parts to ensure they meet customer specifications Complete basic machine maintenance and keep your work area clean Document production activity and maintain accurate counts Support continuous improvement and assist teammates when needed Requirements Ability to read and follow written instructions and blueprints Basic measuring skills and math aptitude Strong problem-solving and attention to detail Ability to work independently and adapt to changing priorities Prior manufacturing or machining experience preferred Ability to lift up to 40 lbs and stand for extended periods Work Environment This is a typical machine shop setting with exposure to noise, dust, and varying temperatures. PPE is provided and required. • Rate of Pay: $21.30/hour • Schedule: Monday – Friday • Shift: 1 st 6:00AM – 2:30PM

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